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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY (electrochemical processes or apparatus in general C25; semiconductor or other solid state devices for converting light or heat into electrical energy H01L, e.g. H01L 31/00, H01L 35/00, H01L 37/00)
NOTE
-
This subclass covers galvanic primary or secondary cells or batteries, fuel cells or batteries.

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Constructional details or processes of manufacture of the non-active parts
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H01M 2/02
.
Cases, jackets or wrappings (working of plastics or substances in plastic stateB29)
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H01M 2/0202
. .
{
for small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment (H01M 2/025 takes precedence)
}
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H01M 2/0207
. . .
{
Flat-shaped cells or batteries of flat cells (H01M 2/0222 takes precedence)
}
H01M 2/021
. . . .
{
with both terminals passing through the case or cover
}
H01M 2/0212
. . . .
{
with plate-like or sheet-like terminals (H01M 2/0215 takes precedence)
}
H01M 2/0215
. . . .
{
with window-shaped terminals
}
H01M 2/0217
. . .
{
Cases of prismatic shape
}
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H01M 2/022
. . .
{
Cases of cylindrical or round shape
}
H01M 2/0222
. . . .
{
Button or coin cell cases
}
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H01M 2/0225
. . . .
{
with cup-shaped terminals
}
H01M 2/0227
. . . . .
{
with both cup-shaped terminals
}
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H01M 2/023
. . . . .
{
with one cup-shaped terminal
}
H01M 2/0232
. . . . . .
{
with a passing-through terminal (H01M 2/0235 takes precedence)
}
H01M 2/0235
. . . . . .
{
with a collector centrally disposed in the active mass, e.g. Leclanch cells
}
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H01M 2/0237
. .
{
for large-sized cells or batteries, e.g. L.I.S. batteries, traction or motive power type or standby power batteries (H01M 2/025 takes precedence)
}
H01M 2/024
. . .
{
Details
}
H01M 2/0242
. . .
{
Monobloc manufactured cases comprising multiple compartments
}
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H01M 2/0245
. . .
{
Assembly of different cases, i.e. modular battery or cases particularly provided with means for assembling
}
H01M 2/0247
. . . .
{
sealed to each other in a non-detachable manner
}
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H01M 2/025
. .
{
for cells or batteries working under specific conditions such as high temperature, gas diffusion, external electrolyte circulation, external supply of reactants
}
H01M 2/0252
. . .
{
High- temperature cells or batteries, e.g. Na-S cells, Li-Cl2 cells
}
H01M 2/0255
. . .
{
Hybrid cells or batteries (H01M 2/0222 takes precedence)
}
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H01M 2/0257
. .
{
characterised by the material
}
H01M 2/026
. . .
{
for small-sized cells or batteries, batteries or cells for portable equipment
}
H01M 2/0262
. . .
{
for large-sized cells or batteries, batteries or cells for traction or motive power or standby power
}
H01M 2/0265
. . .
{
for high-temperature cells
}
H01M 2/0267
. . .
{
of wrappings, outside coatings, jackets around completely closed cell elements
}
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H01M 2/027
. . .
{
Casing material forming terminal of the cell
}
H01M 2/0272
. . . .
{
characterized by the internal coating or internal conductive layer
}
H01M 2/0275
. . .
{
of flexible envelopes or bags around open cell elements
}
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H01M 2/0277
. . .
{
Insulating material (H01M 2/029 takes precedence)
}
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H01M 2/028
. . . .
{
being one layer
}
H01M 2/0282
. . . . .
{
having particulate or reinforced material
}
H01M 2/0285
. . .
{
Conductive material
}
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H01M 2/0287
. . .
{
comprising layers
}
H01M 2/029
. . . .
{
consisting only of insulating material
}
H01M 2/0292
. . . .
{
characterised by the external coating on the casing
}
H01M 2/0295
. . .
{
Composite material consisting of mixed or dispersed phases
}
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H01M 2/04
. .
Lids or covers
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H01M 2/0404
. . .
{
for small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment (H01M 2/0443 takes precedence)
}
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H01M 2/0408
. . . .
{
Crimp-sealed cells or batteries; Cells or batteries with turned-over edges
}
H01M 2/0413
. . . . .
{
provided with an intermediary sealing member between the crimped or curled edges (H01M 2/0417 takes precedence)
}
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H01M 2/0417
. . . . .
{
comprising an insulating cover provided with an axial bore for receiving a central current collector
}
H01M 2/0421
. . . . . .
{
with an external conductive cover
}
H01M 2/0426
. . . .
{
with a metallic cover of which the borders are soldered or welded with the case
}
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H01M 2/043
. . .
{
for large-sized cells or batteries, e.g. LIS batteries, traction or motive power type or standby power batteries (H01M 2/0443 takes precedence)
}
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H01M 2/0434
. . . .
{
Methods for assembling case and cover
}
H01M 2/0439
. . . . .
{
without provisions for disassembling
}
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H01M 2/0443
. . .
{
for cells or batteries working under specific conditions such as high temperature, gas diffusion, external electrolyte circulation, external supply of reactants
}
H01M 2/0447
. . . .
{
High-temperature cells or batteries
}
H01M 2/0452
. . . .
{
Hybrid cells or batteries
}
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H01M 2/0456
. . .
{
characterised by the shape
}
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H01M 2/046
. . . .
{
Disk-like lids for cylindrical batteries
}
H01M 2/0465
. . . . .
{
Button cell lids
}
H01M 2/0469
. . . .
{
Lids for flat or sheet-like batteries
}
H01M 2/0473
. . . .
{
Lids for prismatic cells
}
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H01M 2/0478
. . .
{
characterised by the material
}
H01M 2/0482
. . . .
{
Insulating materials
}
H01M 2/0486
. . . .
{
Conducting materials
}
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H01M 2/0491
. . . .
{
characterised by the coating
}
H01M 2/0495
. . . . .
{
Conductive coating material
}
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H01M 2/06
. .
Arrangements for introducing electric connectors into or through cases
H01M 2/065
. . .
{
using glass or ceramic sealing material
}
H01M 2/08
. .
Sealing materials
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H01M 2/10
.
Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus H01M 10/46)
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H01M 2/1005
. .
{
Carrying devices
}
H01M 2/1011
. . .
{
using the terminals or connecting links
}
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H01M 2/1016
. .
{
Cabinets, cases, fixing devices, adapters, racks or battery packs
}
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H01M 2/1022
. . .
{
for miniature batteries or batteries for portable equipment (batteries in portable systems H01M 2220/30)
}
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H01M 2/1027
. . . .
{
with the possibility of incorporating batteries of different sizes
}
H01M 2/1033
. . . . .
{
providing adapters around the batteries
}
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H01M 2/1038
. . . .
{
for button cells
}
H01M 2/1044
. . . . .
{
forming a whole with or incorporated in or fixed to the electronic appliance
}
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H01M 2/105
. . . .
{
for cells of cylindrical configuration
}
H01M 2/1055
. . . . .
{
forming a whole with or incorporated in or fixed to the electronic appliance
}
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H01M 2/1061
. . . .
{
for cells of prismatic configuration or for sheet-like batteries
}
H01M 2/1066
. . . . .
{
forming a whole with or incorporated in or fixed to the electronic appliance
}
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H01M 2/1072
. . .
{
for starting, lighting or ignition batteries; Vehicle traction batteries; Stationary or load leading batteries (batteries in stationary systems H01M 2220/10, batteries in motive systems H01M 2220/20)
}
H01M 2/1077
. . . .
{
Racks, groups of several batteries (H01M 2/1088 takes precedence)
}
H01M 2/1083
. . . .
{
Fixing on vehicles
}
H01M 2/1088
. . . .
{
for accumulators working at high temperature
}
H01M 2/1094
. .
{
Particular characteristics of materials used to isolate the battery from its environment, e.g. thermal insulation, corrosion resistance, pressure resistance, electrolyte leakage
}
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H01M 2/12
.
Vent plugs or other mechanical arrangements for facilitating escape of gases
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H01M 2/1205
. .
{
Vent arrangements incorporated in vent plugs or multiplug systems detachable from the battery or cell
}
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H01M 2/1211
. . .
{
Multiplug systems or arrangements; Plurality of plugs surrounded by a common cover
}
H01M 2/1217
. . . .
{
in the shape of a one-piece member
}
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H01M 2/1223
. .
{
Vent arrangements of resealable design (H01M 2/1205, H01M 2/1247-H01M 2/1294 take precedence)
}
H01M 2/1229
. . .
{
comprising a deformable, elastic or flexible valve member
}
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H01M 2/1235
. .
{
Emergency or safety arrangements of non-resealable design (H01M 2/1205, H01M 2/1247-H01M 2/1294 take precedence)
}
H01M 2/1241
. . .
{
in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
}
H01M 2/1247
. .
{
Explosion- or splash-preventing means contained in the head space of the battery, e.g. means floating on the electrolyte
}
H01M 2/1252
. .
{
comprising elongated, tortuous or labyrinth-shaped exhaust passages in the battery cover or case; Double cover vent systems
}
H01M 2/1258
. .
{
containing electrolyte neutralising or absorbing means
}
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H01M 2/1264
. .
{
comprising gas-pervious parts or elements
}
H01M 2/127
. . .
{
as flame arrester or ignition preventing means
}
H01M 2/1276
. .
{
Spring-loaded vent valves
}
H01M 2/1282
. .
{
Thermally responsive or sensitive vent means
}
H01M 2/1288
. .
{
Film- or sheet-like elastic valve members optionally coated with non-drying glue
}
H01M 2/1294
. .
{
Slit, perforated or punctured elastic valve members
}
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H01M 2/14
.
Separators; Membranes; Diaphragms; Spacing elements
H01M 2/145
. .
{
Manufacturing processes
}
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H01M 2/16
. .
characterised by the material
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H01M 2/1606
. . .
{
comprising fibrous material
}
H01M 2/1613
. . . .
{
Inorganic fibrous material
}
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H01M 2/162
. . . .
{
Organic fibrous material
}
H01M 2/1626
. . . . .
{
Natural fibres, e.g. cotton, cellulose
}
H01M 2/1633
. . . .
{
Mixtures of inorganic and organic fibres
}
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H01M 2/164
. . .
{
comprising non-fibrous material (H01M 2/1606 takes precedence)
}
H01M 2/1646
. . . .
{
Inorganic non-fibrous material
}
H01M 2/1653
. . . .
{
Organic non-fibrous material
}
H01M 2/166
. . . .
{
Mixtures of inorganic and organic non-fibrous material
}
H01M 2/1666
. . .
{
comprising a non-fibrous layer and a fibrous layer superimposed on one another
}
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H01M 2/1673
. . .
{
Electrode-separator combination
}
H01M 2/168
. . . .
{
with adhesive layers between electrodes and separators
}
H01M 2/1686
. . .
{
Separators having two or more layers of either fibrous or non-fibrous materials
}
H01M 2/1693
. . .
{
Wood
}
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H01M 2/18
. .
characterised by the shape
H01M 2/185
. . .
{
Separators made of one single microscopic fiber
}
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H01M 2/20
.
Current conducting connections for cells
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H01M 2/202
. .
{
Interconnectors for or interconnection of the terminals of adjacent or distinct batteries or cells
}
H01M 2/204
. . .
{
of small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment
}
H01M 2/206
. . .
{
of large-sized cells or batteries, e.g. L.I.S. batteries, traction or motive power type or standby power batteries
}
H01M 2/208
. . .
{
for cells or batteries working under specific conditions such as high temperature, gas diffusion, external electrolyte circulation, external supply of reactants
}
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H01M 2/22
. .
Fixed connections, i.e. not intented for disconnection
H01M 2/24
. . .
Intercell connections through partitions, e.g. in a battery case
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H01M 2/26
. . .
Electrode connections
H01M 2/263
. . . .
{
Electrode connections overlying wounded or folded electrode stacks
}
H01M 2/266
. . . .
{
Interconnections of several platelike electrodes in parallel, e.g. electrode pole straps or bridges
}
H01M 2/28
. . . .
for lead-acid accumulators
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H01M 2/30
. .
Terminals
H01M 2/302
. . .
{
Terminal post members on carbon electrodes; Machines or processes for applying said terminal post members, e.g. capping of carbon rods
}
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H01M 2/305
. . .
{
Poles or terminals for L.I.S, traction or motive power type or standby power batteries
}
H01M 2/307
. . . .
{
the poles being connected and passing through hollow metallic terminals, e.g. terminal bushings
}
H01M 2/32
. .
Methods or arrangements for affording protection against corrosion; Selection of materials therefor
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H01M 2/34
. .
with provision for preventing undesired use or discharge,
{
e.g. complete cut of current (safety devices H01M 2200/00)
}
H01M 2/341
. . .
{
Anti-theft provisions
}
H01M 2/342
. . .
{
Protection against polarity reversal
}
H01M 2/344
. . .
{
Guarantee labels or covers
}
H01M 2/345
. . .
{
in response to pressure
}
H01M 2/347
. . .
{
in response to shock
}
H01M 2/348
. . .
{
in response to temperature
}
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H01M 2/36
.
arrangements for filling, topping-up or emptying cases with or of liquid, e.g. for filling with electrolytes, for washing-out
H01M 2/361
. .
{
Filling of small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment
}
H01M 2/362
. .
{
Filling or topping up of large-sized cells or batteries, e.g. L.I.S. batteries, traction or motive power type or standby power batteries
}
H01M 2/364
. .
{
Removing or drainage of electrolyte; Cleaning battery or cell cases
}
H01M 2/365
. .
{
means or methods for closing or sealing the liquid supply hole
}
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H01M 2/367
. .
{
with means for preventing spilling of liquid or electrolyte , e.g. when the battery is tilted or turned over
}
H01M 2/368
. . .
{
by closing the vent passages with a valve
}
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H01M 2/38
.
Arrangements for moving electrolytes
H01M 2/385
. .
{
Electrolyte stirring by action of gases on or in the electrolyte
}
H01M 2/40
. .
with external circulating path (H01M 8/04 takes precedence)
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Electrodes (electrodes for electrolytic processes C25,
{
electrodes for hybrid or electric double capacitor H01G 11/22
}
)
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H01M 4/02
.
Electrodes composed of or comprising active material
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H01M 4/04
. .
Processes of manufacture in general
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H01M 4/0402
. . .
{
Methods of deposition of the material
}
H01M 4/0404
. . . .
{
by coating on electrode collectors
}
H01M 4/0407
. . . .
{
by coating on an electrolyte layer
}
H01M 4/0409
. . . .
{
by a doctor blade method, slip-casting or roller coating
}
H01M 4/0411
. . . .
{
by extrusion
}
H01M 4/0414
. . . .
{
by screen printing
}
H01M 4/0416
. . . .
{
involving impregnation with a solution, dispersion, paste or dry powder (H01M 4/0438 takes precedence)
}
H01M 4/0419
. . . .
{
involving spraying
}
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H01M 4/0421
. . . .
{
involving vapour deposition
}
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H01M 4/0423
. . . . .
{
Physical vapour deposition
}
H01M 4/0426
. . . . . .
{
Sputtering
}
H01M 4/0428
. . . . .
{
Chemical vapour deposition
}
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H01M 4/043
. . .
{
involving compressing or compaction
}
H01M 4/0433
. . . .
{
Molding
}
H01M 4/0435
. . . .
{
Rolling or calendering
}
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H01M 4/0438
. . .
{
by electrochemical processing (electroless electrochemical plating C23C 18/54)
}
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H01M 4/044
. . . .
{
Activating, forming or electrochemical attack of the supporting material
}
H01M 4/0442
. . . . .
{
Anodisation, Oxidation (electrolytic coating by anodisation C25D 9/00)
}
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H01M 4/0445
. . . . .
{
Forming after manufacture of the electrode, e.g. first charge, cycling
}
H01M 4/0447
. . . . . .
{
of complete cells or cells stacks
}
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H01M 4/045
. . . .
{
Electrochemical coating; Electrochemical impregnation
}
H01M 4/0452
. . . . .
{
from solutions
}
H01M 4/0454
. . . . .
{
from melts
}
H01M 4/0457
. . . . .
{
from dispersions or suspensions; Electrophoresis
}
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H01M 4/0459
. . . .
{
Electrochemical doping, intercalation, occlusion or alloying
}
H01M 4/0461
. . . . .
{
Electrochemical alloying
}
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H01M 4/0464
. . . .
{
Electro organic synthesis
}
H01M 4/0466
. . . . .
{
Electrochemical polymerisation
}
H01M 4/0469
. . . .
{
Electroforming a self-supporting electrode; Electroforming of powdered electrode material
}
H01M 4/0471
. . .
{
involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
}
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H01M 4/0473
. . .
{
Filling tube-or pockets type electrodes; Applying active mass in cup-shaped terminals
}
H01M 4/0476
. . . .
{
with molten material
}
H01M 4/0478
. . . .
{
with dispersions, suspensions or pastes
}
H01M 4/048
. . . .
{
with dry powder
}
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H01M 4/0483
. . .
{
by methods including the handling of a melt (H01M 4/0438, take precedence)
}
H01M 4/0485
. . . .
{
Casting
}
H01M 4/0488
. . . .
{
Alloying
}
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H01M 4/049
. . .
{
Manufacturing of an active layer by chemical means
}
H01M 4/0492
. . . .
{
Chemical attack of the support material
}
H01M 4/0495
. . . .
{
Chemical alloying
}
H01M 4/0497
. . . .
{
Chemical precipitation
}
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H01M 4/06
. .
Electrodes for primary cells
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H01M 4/08
. . .
Processes of manufacture
H01M 4/10
. . . .
of pressed electrodes with central core, i.e. dollies
H01M 4/12
. . . .
of consumable metal or alloy electrodes (use of alloy compositions as active materials H01M 4/38)
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H01M 4/13
. .
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
NOTE
-
This group does not cover electrodes for accumulators working at high temperatures, e.g. molten sodium electrodes, which subject matter is classified in group H01M 10/39

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H01M 4/131
. . .
Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1315
. . . .
containing halogen atoms, e.g. LiCoOxFy
H01M 4/133
. . .
Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134
. . .
Electrodes based on metals, Si or alloys
H01M 4/136
. . .
Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/137
. . .
Electrodes based on electro-active polymers
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H01M 4/139
. . .
Processes of manufacture
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H01M 4/1391
. . . .
of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/13915
. . . . .
containing halogen atoms, e.g. LiCoOxFy
H01M 4/1393
. . . .
of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/1395
. . . .
of electrodes based on metals, Si or alloys
H01M 4/1397
. . . .
of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1399
. . . .
of electrodes based on electro-active polymers
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H01M 4/14
. .
Electrodes for lead-acid accumulators
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H01M 4/16
. . .
Processes of manufacture
H01M 4/18
. . . .
of Plantè electrodes
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H01M 4/20
. . . .
of pasted electrodes
H01M 4/21
. . . . .
Drying of pasted electrodes
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H01M 4/22
. . . .
Forming of electrodes
H01M 4/23
. . . . .
Drying or preserving electrodes after forming
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H01M 4/24
. .
Electrodes for alkaline accumulators
H01M 4/242
. . .
{
Hydrogen storage electrodes
}
H01M 4/244
. . .
{
Zinc electrodes
}
H01M 4/246
. . .
{
Cadmium electrodes
}
H01M 4/248
. . .
{
Iron electrodes
}
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H01M 4/26
. . .
Processes of manufacture
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H01M 4/28
. . . .
Precipitating active material on the carrier
H01M 4/29
. . . . .
by electrochemical methods
H01M 4/30
. . . .
Pressing
H01M 4/32
. . .
Nickel oxide or hydroxide electrodes
H01M 4/34
. . .
Silver oxide or hydroxide electrodes
Collapse
H01M 4/36
. .
Selection of substances as active materials, active masses, active liquids
{
(electrode materials of hybrid or double layer capacitors H01G 11/30-H01G 11/50)
}
Collapse
H01M 4/362
. . .
{
Composites
}
H01M 4/364
. . . .
{
as mixtures
}
H01M 4/366
. . . .
{
as layered products
}
H01M 4/368
. . .
{
Liquid depolarisers
}
Collapse
H01M 4/38
. . .
of elements or alloys
Collapse
H01M 4/381
. . . .
{
Alkaline or alkaline earth metals elements (H01M 4/40 takes precedence)
}
H01M 4/382
. . . . .
{
Lithium (H01M 4/405 takes precedence)
}
Collapse
H01M 4/383
. . . .
{
Hydrogen absorbing alloys
}
H01M 4/385
. . . . .
{
of the type LaNi5
}
H01M 4/386
. . . .
{
Silicon or alloys based on silicon
}
H01M 4/387
. . . .
{
Tin or alloys based on tin
}
H01M 4/388
. . . .
{
Halogens
}
Collapse
H01M 4/40
. . . .
Alloys based on alkali metals
H01M 4/405
. . . . .
{
Alloys based on lithium
}
H01M 4/42
. . . .
Alloys based on zinc
H01M 4/44
. . . .
Alloys based on cadmium
Collapse
H01M 4/46
. . . .
Alloys based on magnesium or aluminium
H01M 4/463
. . . . .
{
Aluminium based
}
H01M 4/466
. . . . .
{
Magnesium based
}
Collapse
H01M 4/48
. . .
of inorganic oxides or hydroxides
H01M 4/481
. . . .
{
of mercury
}
H01M 4/483
. . . .
{
for non-aqueous cells (H01M 4/485 takes precedence)
}
H01M 4/485
. . . .
of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M 4/505, H01M 4/525 take precedence)
Collapse
H01M 4/50
. . . .
of manganese
H01M 4/502
. . . . .
{
for non-aqueous cells (H01M 4/505 takes precedence)
}
H01M 4/505
. . . . .
of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
Collapse
H01M 4/52
. . . .
of nickel, cobalt or iron
H01M 4/521
. . . . .
{
of iron for aqueous cells
}
H01M 4/523
. . . . .
{
for non-aqueous cells (H01M 4/525 takes precedence)
}
H01M 4/525
. . . . .
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/54
. . . .
of silver
Collapse
H01M 4/56
. . . .
of lead
H01M 4/57
. . . . .
of "Grey lead", i.e. powders containing lead and lead oxide
Collapse
H01M 4/58
. . .
of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/5805
. . . .
{
Phosphides
}
Collapse
H01M 4/581
. . . .
{
Chalcogenides or intercalation compounds thereof
}
H01M 4/5815
. . . . .
{
Sulfides
}
H01M 4/582
. . . .
{
Halogenides
}
H01M 4/5825
. . . .
{
Oxygenated metallic slats or polyanionic structures, e.g. borates, phosphates, silicates, olivines
}
NOTE
-
Polyanionic structures comprises elements not changing oxidation state during electrochemical reaction, e.g. P, Si, B

Collapse
H01M 4/583
. . . .
Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/5835
. . . . .
{
Comprising fluorine or fluoride salts
}
H01M 4/587
. . . . .
for inserting or intercalating light metals
Collapse
H01M 4/60
. . .
of organic compounds
Collapse
H01M 4/602
. . . .
{
Polymers
}
H01M 4/604
. . . . .
{
containing aliphatic main chain polymers
}
Collapse
H01M 4/606
. . . . .
{
containing aromatic main chain polymers
}
H01M 4/608
. . . . . .
{
containing heterocyclic rings
}
Collapse
H01M 4/62
. .
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Collapse
H01M 4/621
. . .
{
Binders
}
Collapse
H01M 4/622
. . . .
{
being polymers
}
H01M 4/623
. . . . .
{
fluorinated polymers
}
Collapse
H01M 4/624
. . .
{
Electric conductive fillers
}
H01M 4/625
. . . .
{
Carbon or graphite
}
H01M 4/626
. . . .
{
Metals
}
H01M 4/627
. . .
{
Expanders for lead-acid accumulators
}
H01M 4/628
. . .
{
Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
}
Collapse
H01M 4/64
. .
Carriers or collectors
{
(current collector for hybrid or electric double layer capacitors H01G 11/66)
}
Collapse
H01M 4/66
. . .
Selection of materials
Collapse
H01M 4/661
. . . .
{
Metal or alloys, e.g. alloy coatings (H01M 4/669 take precedence )
}
H01M 4/662
. . . . .
{
Alloys (collectors of lead alloys H01M 4/685)
}
H01M 4/663
. . . .
{
containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
}
H01M 4/664
. . . .
{
Ceramic materials
}
Collapse
H01M 4/665
. . . .
{
Composites
}
H01M 4/666
. . . . .
{
in the form of mixed materials (H01M 4/668 takes precedence)
}
H01M 4/667
. . . . .
{
in the form of layers, e.g. coatings
}
H01M 4/668
. . . .
{
Composites of electroconductive material and synthetic resins
}
H01M 4/669
. . . .
{
Steels
}
Collapse
H01M 4/68
. . . .
for use in lead-acid accumulators
H01M 4/685
. . . . .
{
Lead alloys
}
Collapse
H01M 4/70
. . .
characterised by shape or form
Collapse
H01M 4/72
. . . .
Grids
H01M 4/73
. . . . .
for lead-acid accumulators, e.g. frame plates
Collapse
H01M 4/74
. . . . .
Meshes or woven material; Expanded metal
H01M 4/742
. . . . . .
{
perforated material
}
H01M 4/745
. . . . . .
{
Expanded metal
}
H01M 4/747
. . . . . .
{
Woven material
}
H01M 4/75
. . . .
Wires, rods or strips
Collapse
H01M 4/76
. . . .
Containers for holding the active material, e.g. tubes, capsules
H01M 4/762
. . . . .
{
Porous or perforated metallic containers
}
Collapse
H01M 4/765
. . . . .
{
Tubular type or pencil type electrodes; tubular or multitubular sheaths or covers of insulating material for said tubular-type electrodes
}
H01M 4/767
. . . . . .
{
Multitubular sheaths or covers
}
H01M 4/78
. . . .
Shapes other than plane or cylindrical, e.g. helical
Collapse
H01M 4/80
. . . .
Porous plates, e.g. sintered carriers
Collapse
H01M 4/801
. . . . .
{
Sintered carriers
}
H01M 4/803
. . . . . .
{
of only powdered material
}
H01M 4/805
. . . . . .
{
of powdered and fibrous material
}
H01M 4/806
. . . . .
{
Nonwoven fibrous fabric containing only fibres
}
H01M 4/808
. . . . .
{
Foamed, spongy materials
}
Collapse
H01M 4/82
. . .
Multi-step processes for manufacturing carriers for lead-acid accumulators (single step processes see the relevant subclasses, e.g. B21D; B22D)
H01M 4/84
. . . .
involving casting
Collapse
.
Inert electrodes with catalytic activity, e.g. for fuel cells
Collapse
H01M 4/8605
. .
{
Porous electrodes
}
H01M 4/861
. . .
{
with a gradient in the porosity
}
H01M 4/8615
. . .
{
Bifunctional electrodes for rechargeable cells
}
H01M 4/8621
. . .
{
containing only metallic or ceramic material, e.g. made by sintering or sputtering
}
Collapse
H01M 4/8626
. . .
{
characterised by the form
}
H01M 4/8631
. . . .
{
Bipolar electrodes
}
Collapse
H01M 4/8636
. .
{
with a gradient in another property than porosity (H01M 4/861 takes precedence)
}
H01M 4/8642
. . .
{
Gradient in composition
}
Collapse
H01M 4/8647
. .
{
consisting of more than one material, e.g. consisting of composites
}
H01M 4/8652
. . .
{
as mixture
}
H01M 4/8657
. . .
{
layered
}
Collapse
H01M 4/8663
. .
{
Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
}
H01M 4/8668
. . .
{
Binders
}
H01M 4/8673
. . .
{
Electrically conductive fillers
}
Collapse
H01M 4/88
. .
Processes of manufacture
Collapse
H01M 4/8803
. . .
{
Supports for the deposition of the catalytic active composition (H01M 4/90 takes precedence)
}
WARNING
-
Groups H01M 4/8803 to H01M 4/8896 are not complete, pending a reorganization. See also H01M 4/88, H01M4/88F, H01M8/10B2A and H01M 8/1006

H01M 4/8807
. . . .
{
Gas diffusion layers
}
H01M 4/881
. . . .
{
Electrolytic membranes
}
H01M 4/8814
. . . .
{
Temporary supports, e.g. decal
}
Collapse
H01M 4/8817
. . .
{
Treatment of supports before application of the catalytic active composition (coated porous composites H01M 8/0245)
}
H01M 4/8821
. . . .
{
Wet proofing
}
Collapse
H01M 4/8825
. . .
{
Methods for deposition of the catalytic active composition
}
Collapse
H01M 4/8828
. . . .
{
Coating with slurry or ink
}
H01M 4/8832
. . . . .
{
Ink jet printing
}
H01M 4/8835
. . . . .
{
Screen printing
}
H01M 4/8839
. . . . .
{
Painting
}
H01M 4/8842
. . . .
{
Coating using a catalyst salt precursor in solution followed by evaporation and reduction of the precursor
}
Collapse
H01M 4/8846
. . . .
{
Impregnation
}
H01M 4/885
. . . . .
{
followed by reduction of the catalyst salt precursor
}
H01M 4/8853
. . . .
{
Electrodeposition
}
H01M 4/8857
. . . .
{
Casting, e.g. tape casting, vacuum slip casting
}
H01M 4/886
. . . .
{
Powder spraying, e.g. wet or dry powder spraying, plasma spraying
}
H01M 4/8864
. . . .
{
Extrusion
}
Collapse
H01M 4/8867
. . . .
{
Vapour deposition
}
H01M 4/8871
. . . . .
{
Sputtering
}
H01M 4/8875
. . .
{
Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
}
Collapse
H01M 4/8878
. . .
{
Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
}
Collapse
H01M 4/8882
. . . .
{
Heat treatment, e.g. drying, baking
}
Collapse
H01M 4/8885
. . . . .
{
Sintering or firing
}
H01M 4/8889
. . . . . .
{
Cosintering or cofiring of a catalytic active layer with another type of layer
}
H01M 4/8892
. . . .
{
Impregnation or coating of the catalyst layer, e.g. by an ionomer
}
H01M 4/8896
. . . .
{
Pressing, rolling, calendering (membrane electrode assemblies H01M 8/1004)
}
Collapse
H01M 4/90
. .
Selection of catalytic material
H01M 4/9008
. . .
{
Organic or organo-metallic compounds
}
Collapse
H01M 4/9016
. . .
{
Oxides, hydroxides or oxygenated metallic salts
}
Collapse
H01M 4/9025
. . . .
{
Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
}
H01M 4/9033
. . . . .
{
Complex oxides, optionally doped, of the typeM1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
}
Collapse
H01M 4/9041
. . .
{
Metals or alloys (H01M 4/92 takes precedence)
}
Collapse
H01M 4/905
. . . .
{
specially used in fuel cell operating at high temperature, e.g. SOFC
}
H01M 4/9058
. . . . .
{
of noble metals or noble-metal based alloys
}
H01M 4/9066
. . . . .
{
of metal-ceramic composites or mixtures, e.g. cermets
}
Collapse
H01M 4/9075
. . .
{
Catalytic material supported on carriers, e.g. powder carriers (H01M 4/8807, H01M 4/881, H01M 4/8814, H01M 4/925 take precedence)
}
H01M 4/9083
. . . .
{
on carbon or graphite
}
H01M 4/9091
. . .
{
Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
}
Collapse
H01M 4/92
. . .
Metals of platinum group (H01M 4/94,
{
H01M 4/9058
}
take precedence)
H01M 4/921
. . . .
{
Alloys or mixtures with metallic elements
}
H01M 4/923
. . . .
{
Compounds thereof with non-metallic elements
}
Collapse
H01M 4/925
. . . .
{
supported on carriers, e.g. powder carriers
}
H01M 4/926
. . . . .
{
on carbon or graphite
}
H01M 4/928
. . . .
{
Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
}
H01M 4/94
. .
Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
H01M 4/96
. .
Carbon-based electrodes
H01M 4/98
. .
Raney-type electrodes
Collapse
Primary cells; Manufacture thereof
NOTE
-
In this group, primary cells are electrochemical generators in which the cell energy is present in chemical form and is not regenerated.

H01M 6/005
.
{
Devices for making primary cells
}
H01M 6/02
.
Details (of non-active parts H01M 2/00; of electrodes H01M 4/00)
Collapse
H01M 6/04
.
Cells with aqueous electrolyte
H01M 6/045
. .
{
characterised by aqueous electrolyte
}
Collapse
H01M 6/06
. .
Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
Collapse
H01M 6/08
. . .
with cup shaped electrodes
H01M 6/085
. . . .
{
of the reversed type, i.e. anode in the centre
}
Collapse
H01M 6/10
. . .
with wound or folded electrodes
H01M 6/103
. . . .
{
Cells with electrode of only one polarity being folded or wound
}
H01M 6/12
. . .
with flat electrodes
Collapse
H01M 6/14
.
Cells with non-aqueous electrolyte
{
H01M10/36C takes precedence
}
H01M 6/145
. .
{
containing ammonia
}
Collapse
H01M 6/16
. .
with organic electrolyte (H01M 6/18 ,
{
H01M10/40 take precedence
}
)
Collapse
H01M 6/162
. . .
{
characterised by the electrolyte
}
H01M 6/164
. . . .
{
by the solvent (organic electrolyte solvents H01M 2300/0028)
}
H01M 6/166
. . . .
{
by the solute
}
H01M 6/168
. . . .
{
by additives
}
Collapse
H01M 6/18
. .
with solid electrolyte
H01M 6/181
. . .
[N: with polymeric electrolytes (organic polymers electrolytes H01M 2300/0082)
Collapse
H01M 6/182
. . .
{
with halogenide as solid electrolyte (halide solid electrolytes H01M 2300/008)
}
H01M 6/183
. . . .
{
with fluoride as solid electrolyte
}
Collapse
H01M 6/185
. . .
{
with oxides, hydroxides or oxysalts as solid electrolytes (oxides solid electrolyte H01M 2300/0071)
}
H01M 6/186
. . . .
{
Only oxysalts-containing solid electrolytes
}
H01M 6/187
. . .
{
Solid electrolyte characterised by the form (layered solid electrolytes H01M 2300/0094)
}
H01M 6/188
. . .
{
Processes of manufacture
}
H01M 6/20
. . .
working at high temperature (deferred-action thermal cells H01M 6/36)
H01M 6/22
.
Immobilising of electrolyte
H01M 6/24
.
Cells comprising two different electrolytes
H01M 6/26
.
Cells without oxidising active material, e.g. Volta cells
H01M 6/28
.
Standard cells, e.g. Weston cells
Collapse
H01M 6/30
.
Deferred-action cells
Collapse
H01M 6/32
. .
activated through external addition of electrolyte or of electrolyte components
H01M 6/34
. . .
Immersion cells, e.g. sea-water cells
Collapse
H01M 6/36
. .
containing electrolyte and made operational by physical means, e.g. thermal cells (thermoelectric solid state devices H01L 35/00, H01M37/00)
Collapse
H01M 6/38
. . .
by mechanical means
H01M 6/385
. . . .
{
by insertion of electrodes
}
H01M 6/40
.
Printed batteries,
{
e.g. thin film batteries
}
Collapse
H01M 6/42
.
Grouping of primary cells into batteries (H01M 6/40 takes precedence)
H01M 6/425
. .
{
Multimode batteries, batteries with "reserve cells"
}
H01M 6/44
. .
of tubular or cup-shaped cells
Collapse
H01M 6/46
. .
of flat cells
Collapse
H01M 6/48
. . .
with bipolar electrodes
H01M 6/485
. . . .
{
Side-by-side bipolar batteries
}
Collapse
H01M 6/50
.
Methods or arrangements for servicing or maintenance, e.g. maintaining operating temperature
{
(cells or batteries combined with safety devices H01M 2200/00)
}
H01M 6/5005
. .
{
Auxiliary electrodes
}
Collapse
H01M 6/5011
. .
{
for several cells simultaneously or successively
}
H01M 6/5016
. . .
{
Multimode utilisation
}
H01M 6/5022
. .
{
Arrangements for moving electrodes or separating elements
}
H01M 6/5027
. .
{
Dummy cells
}
H01M 6/5033
. .
{
used as charging means for another battery
}
H01M 6/5038
. .
{
Heating or cooling of cells or batteries
}
Collapse
H01M 6/5044
. .
{
Cells or batteries structurally combined with cell condition indicating means (H01M 2/34 takes precedence)
}
H01M 6/505
. . .
{
Cells combined with indicating means for externally visualisation of the condition, e.g. by change of colour or of light intensity
}
H01M 6/5055
. . .
{
End of discharge indicated by a voltage step
}
H01M 6/5061
. . .
{
cells combined with sound indicating means
}
H01M 6/5066
. .
{
Type recognition
}
H01M 6/5072
. .
{
Preserving or storing cells
}
H01M 6/5077
. .
{
Regeneration of reactants or electrolyte
}
H01M 6/5083
. .
{
Testing apparatus
}
H01M 6/5088
. .
{
Initial activation; predischarge; Stabilisation of initial voltage
}
H01M 6/52
.
Reclaiming serviceable parts of waste cells or batteries,
{
e.g. recycling
}
Collapse
Fuel cells; Manufacture thereof
NOTE
-
Fuel cells are electrochemical generators wherein the reactants are supplied from outside

Collapse
H01M 8/002
.
{
Shape, form of a fuel cell
}
H01M 8/004
. .
{
Cylindrical, tubular or wound
}
H01M 8/006
. .
{
Flat
}
H01M 8/008
.
{
Destruction or recycling of fuel cells
}
Collapse
H01M 8/02
.
Details
Collapse
H01M 8/0202
. .
{
Collectors, separators, interconnectors, e.g. bipolar separators
}
Collapse
H01M 8/0204
. . .
{
Non-porous and characterised by the material
}
Collapse
H01M 8/0206
. . . .
{
Metals or alloys
}
Collapse
H01M 8/0208
. . . . .
{
Alloys
}
H01M 8/021
. . . . . .
{
Alloys based on iron
}
H01M 8/0213
. . . .
{
Gas-tight carbon-containing material
}
Collapse
H01M 8/0215
. . . .
{
Glass or ceramic materials
}
Collapse
H01M 8/0217
. . . . .
{
Complexed oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or rare earth metal, Me being a metal, e.g. perovskites
}
H01M 8/0219
. . . . . .
{
Chromium complex oxides
}
H01M 8/0221
. . . .
{
Polymers or organic resins
}
Collapse
H01M 8/0223
. . . .
{
Composites
}
H01M 8/0226
. . . . .
{
in the form of mixtures
}
H01M 8/0228
. . . . .
{
in the form of layered products, e.g. coatings
}
Collapse
H01M 8/023
. . .
{
Porous and characterised by the material
}
H01M 8/0232
. . . .
{
Metals or alloys
}
H01M 8/0234
. . . .
{
Carbonaceous material
}
H01M 8/0236
. . . .
{
Glass, ceramics or cermets
}
H01M 8/0239
. . . .
{
Polymers or organic resins
}
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H01M 8/0241
. . . .
{
Composites
}
H01M 8/0243
. . . . .
{
in the form of mixtures
}
H01M 8/0245
. . . . .
{
in the form of layered products, e.g. coatings
}
Collapse
H01M 8/0247
. . .
{
Porous or non porous and characterised by the form (characterised by a channel configuration H01M 8/0258)
}
H01M 8/025
. . . .
{
Semicylindrical
}
H01M 8/0252
. . . .
{
Tubular
}
H01M 8/0254
. . . .
{
Corrugated or undulate shaped
}
H01M 8/0256
. . . .
{
Vias, i.e. connector passing through the separator material
}
Collapse
H01M 8/0258
. . .
{
Porous or non-porous and characterised by a channel configuration, i.e. by the flow field
}
H01M 8/026
. . . .
{
Grooves characteristics, pitch, depth
}
H01M 8/0263
. . . .
{
Meander or serpentine path
}
H01M 8/0265
. . . .
{
Variable section of reactant channel
}
H01M 8/0267
. . .
{
Heating or cooling facilities in the separators, collectors or interconnectors
}
H01M 8/0269
. . .
{
Separators, collectors or interconnectors including a printed circuit board
}
Collapse
H01M 8/0271
. .
{
of surrounding electrodes, matrices, membranes or fuel cell elements with sealing or supporting material
}
H01M 8/0273
. . .
{
in the form of a frame; Frame materials; Way of attaching to frames
}
Collapse
H01M 8/0276
. . .
{
Seals characterised by their form
}
H01M 8/0278
. . . .
{
O-rings
}
Collapse
H01M 8/028
. . .
{
Seals characterised by their composition
}
H01M 8/0282
. . . .
{
Inorganic material
}
H01M 8/0284
. . . .
{
Organic resins or polymers
}
H01M 8/0286
. . .
{
Process of seal formation
}
Collapse
H01M 8/0289
. .
{
of membranes or electrolyte holding means
}
Collapse
H01M 8/0291
. . .
{
Matrices; Diaphragms; Membranes
}
H01M 8/0293
. . . .
{
for immobilising electrolyte solutions
}
H01M 8/0295
. . . .
{
for immobilising electrolyte melts
}
H01M 8/0297
. .
{
of joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
}
Collapse
H01M 8/04
.
Auxiliary arrangements or processes, e.g. for control of pressure, for circulation of fluids
Collapse
H01M 8/04007
. .
{
Arrangements or means or processes related to heat exchange or temperature measurements (methods for controlling furl cells or fuel cell systems H01M 8/04298)
}
Collapse
H01M 8/04014
. . .
{
by a gaseous fluid or by combustion of reactants, e.g. bigascooling
}
H01M 8/04022
. . . .
{
Heating by combustion
}
H01M 8/04029
. . .
{
by a liquid fluid
}
H01M 8/04037
. . .
{
Electrical heating
}
H01M 8/04044
. . .
{
Coolant purification
}
H01M 8/04052
. . .
{
Storage of heat in the fuel cell system
}
H01M 8/04059
. . .
{
Evaporative processes for the cooling of a fuel cell
}
Collapse
H01M 8/04067
. . .
{
Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
}
H01M 8/04074
. . . .
{
Heat exchange unit structures specially adapted for fuel cell (heat exchanger F28, heat exchangers for fuel cells F28D 2021/0043)
}
Collapse
H01M 8/04082
. .
{
Arrangements or means for reactant regulation. E.g. pressure or concentration
}
Collapse
H01M 8/04089
. . .
{
of gaseous reactants
}
H01M 8/04097
. . . .
{
with recycling of the reactants (H01M 8/04119, H01M 8/04104 take precedence)
}
H01M 8/04104
. . . .
{
Regulation of differential pressures
}
H01M 8/04111
. . . .
{
Using a compressor turbine assembly
}
Collapse
H01M 8/04119
. . . .
{
with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
}
Collapse
H01M 8/04126
. . . . .
{
Humidifying
}
H01M 8/04134
. . . . . .
{
by coolants
}
H01M 8/04141
. . . . . .
{
by water containing exhaust gases
}
H01M 8/04149
. . . . . .
{
by diffusion, e.g. making use of membranes
}
Collapse
H01M 8/04156
. . . . .
{
with product water removal
}
H01M 8/04164
. . . . . .
{
by condensers, gas-liquid separators or filters
}
H01M 8/04171
. . . . . .
{
using adsorbents, wicks or hydrophilic material
}
H01M 8/04179
. . . . . .
{
by purging or increasing flow or pressure of reactants
}
Collapse
H01M 8/04186
. . .
{
of liquid- or electrolyte-charged reactants
}
H01M 8/04194
. . . .
{
Concentration measuring cells
}
Collapse
H01M 8/04201
. . .
{
Reactant storage and supply, e.g. means for feeding, pipes
}
H01M 8/04208
. . . .
{
Cartridges, cryogenic media or cryogenic reservoirs
}
H01M 8/04216
. . . .
{
characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
}
Collapse
H01M 8/04223
. . .
{
Arrangements or means particularly during start-up or shut-down; Depolarisation or activation treatment, e.g. purging; Short-circuiting means for defective fuel cells
}
H01M 8/04231
. . . .
{
Purging of the reactants
}
H01M 8/04238
. . . .
{
Depolarisation
}
H01M 8/04246
. . . .
{
Short circuiting means for defective fuel cells (detection of defective fuel cells H01M 8/04664, methods for shunting fuel cells H01M 8/04955)
}
H01M 8/04253
. . . .
{
Means for solving freezing problems
}
H01M 8/04261
. . . .
{
Preventing means for fuel crossover
}
H01M 8/04268
. . . .
{
Heating of fuel cells during the start-up of the fuel cells
}
Collapse
H01M 8/04276
. .
{
Arrangements or means related to the management of the electrolyte stream, e.g. heat exchange (H01M 8/04119 takes precedence; Treatment of electrolyte residue H01M 8/0693)
}
H01M 8/04283
. . .
{
Supply means of electrolyte to or in matrix-fuel cells
}
H01M 8/04291
. .
{
Electrolyte- or water-management of solid electrolyte cells (H01M 8/04119 takes precedence)
}
Collapse
H01M 8/04298
. .
{
Methods for controlling fuel cells or fuel cell systems (means for control H01M 8/04007 to H01M 8/04291)
}
H01M 8/04305
. . .
{
Modelling, demonstration models of fuel cells, e.g. for training purposes
}
Collapse
H01M 8/04313
. . .
{
characterised by variables to be detected or calculated, failure or abnormal functionality of the system
}
Collapse
H01M 8/0432
. . . .
{
Temperature including ambient temperature
}
H01M 8/04328
. . . . .
{
of anode reactants at the inlet or inside the fuel cell
}
H01M 8/04335
. . . . .
{
of cathode reactants at the inlet or inside the fuel cell
}
H01M 8/04343
. . . . .
{
of anode exhausts
}
H01M 8/0435
. . . . .
{
of cathode exhausts
}
H01M 8/04358
. . . . .
{
of the coolant
}
H01M 8/04365
. . . . .
{
of other components of a fuel cell or fuel cell stacks
}
H01M 8/04373
. . . . .
{
of auxiliary devices, e.g. reformers, compressors, burners
}
Collapse
H01M 8/0438
. . . .
{
Pressure or flow including ambient pressure
}
H01M 8/04388
. . . . .
{
of anode reactants at the inlet or inside the fuel cell
}
H01M 8/04395
. . . . .
{
of cathode reactants at the inlet or inside the fuel cell
}
H01M 8/04402
. . . . .
{
of anode exhausts
}
H01M 8/0441
. . . . .
{
of cathode exhausts
}
H01M 8/04417
. . . . .
{
of the coolant
}
H01M 8/04425
. . . . .
{
at auxiliary devices, e.g. reformers, compressors, burners
}
H01M 8/04432
. . . . .
{
Pressure differences, e.g. between anode and cathode
}
Collapse
H01M 8/0444
. . . .
{
Concentrations or densities
}
H01M 8/04447
. . . . .
{
of anode reactants at the inlet or inside the fuel cell
}
H01M 8/04455
. . . . .
{
of cathode reactants at the inlet or inside the fuel cell
}
H01M 8/04462
. . . . .
{
of anode exhausts
}
H01M 8/0447
. . . . .
{
of cathode exhausts
}
H01M 8/04477
. . . . .
{
of the electrolyte
}
H01M 8/04485
. . . . .
{
of the coolant
}
Collapse
H01M 8/04492
. . . .
{
Humidity, moisture or water content including ambient humidity
}
H01M 8/045
. . . . .
{
of anode reactants at the inlet or inside the fuel cell
}
H01M 8/04507
. . . . .
{
of cathode reactants at the inlet or inside the fuel cell
}
H01M 8/04514
. . . . .
{
of anode exhausts
}
H01M 8/04522
. . . . .
{
of cathode exhausts
}
H01M 8/04529
. . . . .
{
of the electrolyte
}
Collapse
H01M 8/04537
. . . .
{
Electric variables
}
Collapse
H01M 8/04544
. . . . .
{
Voltage
}
H01M 8/04552
. . . . . .
{
of the individual fuel cell
}
H01M 8/04559
. . . . . .
{
of fuel cell stacks
}
H01M 8/04567
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04574
. . . . .
{
Current
}
H01M 8/04582
. . . . . .
{
of the individual fuel cell
}
H01M 8/04589
. . . . . .
{
of fuel cell stacks
}
H01M 8/04597
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04604
. . . . .
{
Power, energy, capacity or load
}
H01M 8/04611
. . . . . .
{
of the individual fuel cell
}
H01M 8/04619
. . . . . .
{
of fuel cell stacks
}
H01M 8/04626
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04634
. . . . .
{
Other electric variables, e.g. resistance or impedance
}
H01M 8/04641
. . . . . .
{
of the individual fuel cell
}
H01M 8/04649
. . . . . .
{
of fuel cell stacks
}
H01M 8/04656
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04664
. . . .
{
Failure or abnormal functionality
}
H01M 8/04671
. . . . .
{
of the individual fuel cell
}
H01M 8/04679
. . . . .
{
of fuel cell stacks
}
H01M 8/04686
. . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04694
. . .
{
characterised by variables to be regulated
}
Collapse
H01M 8/04701
. . . .
{
Temperature
}
H01M 8/04708
. . . . .
{
of fuel cell reactants
}
H01M 8/04716
. . . . .
{
of fuel cell exhausts
}
H01M 8/04723
. . . . .
{
of the coolant
}
H01M 8/04731
. . . . .
{
of other components of a fuel cell or fuel cell stacks
}
H01M 8/04738
. . . . .
{
of auxiliary devices, e.g. reformer, compressor, burner
}
Collapse
H01M 8/04746
. . . .
{
Pressure or flow
}
H01M 8/04753
. . . . .
{
of fuel cell reactants
}
H01M 8/04761
. . . . .
{
of fuel cell exhausts
}
H01M 8/04768
. . . . .
{
of the coolant
}
H01M 8/04776
. . . . .
{
at auxiliary devices, e.g. reformer, compressor, burner
}
H01M 8/04783
. . . . .
{
Pressure differences, e.g. between anode and cathode
}
Collapse
H01M 8/04791
. . . .
{
Concentrations or densities
}
H01M 8/04798
. . . . .
{
of fuel cell reactants
}
H01M 8/04805
. . . . .
{
of fuel cell exhausts
}
H01M 8/04813
. . . . .
{
of the coolant
}
H01M 8/0482
. . . . .
{
of the electrolyte
}
Collapse
H01M 8/04828
. . . .
{
Humidity, moisture or water content
}
H01M 8/04835
. . . . .
{
of fuel cell reactants
}
H01M 8/04843
. . . . .
{
of fuel cell exhausts
}
H01M 8/0485
. . . . .
{
of the electrolyte
}
Collapse
H01M 8/04858
. . . .
{
Electric variables
}
Collapse
H01M 8/04865
. . . . .
{
Voltage
}
H01M 8/04873
. . . . . .
{
of the individual fuel cell
}
H01M 8/0488
. . . . . .
{
of fuel cell stacks
}
H01M 8/04888
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04895
. . . . .
{
Current
}
H01M 8/04902
. . . . . .
{
of the individual fuel cell
}
H01M 8/0491
. . . . . .
{
of fuel cell stacks
}
H01M 8/04917
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
Collapse
H01M 8/04925
. . . . .
{
Power, energy, capacity or load
}
H01M 8/04932
. . . . . .
{
of the individual fuel cell
}
H01M 8/0494
. . . . . .
{
of fuel cell stacks
}
H01M 8/04947
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
H01M 8/04955
. . . . . .
{
Turning on/off, shunting of fuel cells or fuel cell system components (arrangements or means during start-up or shut-down H01M 8/04223)
}
Collapse
H01M 8/04962
. . . . .
{
Other electric variables e.g. resistance or impedance
}
H01M 8/0497
. . . . . .
{
of the individual fuel cell
}
H01M 8/04977
. . . . . .
{
of fuel cell stacks
}
H01M 8/04985
. . . . . .
{
of auxiliary devices, e.g. batteries, capacitors
}
H01M 8/04992
. . .
{
characterised by the implementation of the control method by mathematical or computational algorithm, e.g. control feedback loop mechanisms, fuzzy logic, neural networks, artificial intelligence
}
Collapse
H01M 8/06
.
Combination of fuel cell with means for production of reactants or for treatment of residues
Collapse
H01M 8/0606
. .
{
Producing gaseous reactants
}
Collapse
H01M 8/0612
. . .
{
from carbon containing material
}
H01M 8/0618
. . . .
{
Reforming processes, e.g. autothermal, partial oxidation or steam reforming
}
Collapse
H01M 8/0625
. . . .
{
in a modular combined reactor/fuel cell structure
}
H01M 8/0631
. . . . .
{
Reactor construction specially adapted for combination reactor/fuel cell (Hydrogen C01B 3/00, reactors for physicochemical processes B01J 19/00)
}
H01M 8/0637
. . . .
{
Direct internal reforming at the anode of the fuel cell
}
H01M 8/0643
. . . .
{
Gasification of solid fuel
}
H01M 8/065
. . .
{
by dissolution of metals or alloys or by dehydring metallic substance
}
H01M 8/0656
. . .
{
by electrochemical means (H01M 8/065 takes precedence)
}
Collapse
H01M 8/0662
. .
{
Treatment of gaseous reactants or gaseous residues, e.g. cleaning (humidifying or dehumidifying of gaseous reactants H01M 8/04119)
}
H01M 8/0668
. . .
{
Removal of carbon monoxide or carbon dioxide
}
H01M 8/0675
. . .
{
Removal of sulfur
}
H01M 8/0681
. . .
{
Reactant purification by the use of electrochemical cells
}
H01M 8/0687
. . .
{
Reactant purification by the use of membranes or filters
}
H01M 8/0693
. .
{
Treatment of the electrolyte residue, e.g. reconcentrating
}
Collapse
H01M 8/08
.
Fuel cells with aqueous electrolytes
H01M 8/083
. .
{
Alkaline fuel cells
}
H01M 8/086
. .
{
Phosphoric acid fuel cells (PAFC)
}
Collapse
H01M 8/10
.
Fuel cells with solid electrolytes
Collapse
H01M 8/1002
. .
{
with anode and cathode gas-diffusion electrodes or electrode layers, e.g. using gaseous or vaporised reactants (H01M 8/12 takes precedence)
}
Collapse
H01M 8/1004
. . .
{
characterised by the electrode/electrolyte combination
}
H01M 8/1006
. . . .
{
Undulated, corrugated, curved or wave-shaped membrane-electrode-assemblies (MEA)
}
Collapse
H01M 8/1009
. .
{
with one of the reactants being liquid, solid or liquid-charged (H01M 8/12 takes precedence)
}
H01M 8/1011
. . .
{
Direct methanol fuel cells (DMFC)
}
H01M 8/1013
. . .
{
Other direct alcohol fuel cells (DAFC)
}
Collapse
H01M 8/1016
. .
{
characterised by the electrolyte material (H01M 8/12 takes precedence)
}
Collapse
H01M 8/1018
. . .
{
Polymeric electrolyte material
}
Collapse
H01M 8/102
. . . .
{
characterised by the chemical structure of the main chain of the ion conducting polymer (membrane support H01M 8/1058, semi-permeable membrane composition B01D 71/00, ion-exchange membrane C08J 5/22)
}
NOTE
-
Multiple classification is done when two or more heteroatoms from O, P, N, S , Si are present

H01M 8/1023
. . . . .
{
having only carbon, e.g. Nafion, vinylsulfonic acid, polyarylenes, polystyrenes, polybutadiene-styrene
}
H01M 8/1025
. . . . .
{
having only carbon and oxygen, e.g. polyethers, sulfonated-polyetheretherketones [s-PEEK
}
, sulfonated-polysaccharides, sulfonated-celluloses, sulfonated-polyesters]
H01M 8/1027
. . . . .
{
having carbon, oxygen and other atoms, e.g. sulfonated-polyethersulfones [s-PES
}
, sulfonated-polyphenyl-quinoxaline [s-PPQ] ]
H01M 8/103
. . . . .
{
having nitrogen, e.g. sulfonated-polybenzimidazoles [s-PBI
}
, polybenzimidazoles with phosphoric acid, sulfonated-polyamides [s-PA], sulfonated polyphosphazenes [s-PPh]]
H01M 8/1032
. . . . .
{
having sulfur, e.g. sulfonated polyphosphazene [s-PPh]
}
H01M 8/1034
. . . . .
{
having phosphorous , e.g. sulfonated polyphosphazene [s-PPh
}
]
H01M 8/1037
. . . . .
{
having silicon, e.g. sulfonated crosslinked polydimethylsiloxane
}
H01M 8/1039
. . . .
{
being halogenated ,e.g. Nafion, sulfonated polyvinylidene fluoride
}
Collapse
H01M 8/1041
. . . .
{
Polymer electrolyte composites, mixtures or blends other than copolymers or grafted polymers
}
H01M 8/1044
. . . . .
{
Mixtures of polymers with at least one polymer being ionically conductive
}
Collapse
H01M 8/1046
. . . . .
{
Mixtures of polymer and additives
}
H01M 8/1048
. . . . . .
{
Ion conductive additives, e.g. polybenzimidazole with phosphoric acid, ion conducting particles, heteropolyacids or metal phosphate
}
H01M 8/1051
. . . . . .
{
Non ion conductive additives, e.g. stabilizers, SiO2, ZrO2
}
H01M 8/1053
. . . . .
{
Layers of polymers with at least one layer being ionically conductive
}
H01M 8/1055
. . . . .
{
Inorganic layers on the polymer electrolytes, e.g. inorganic coatings
}
Collapse
H01M 8/1058
. . . .
{
characterized by a porous support having no ionic conductive properties (membrane immobilizing electrolyte solutions or melts H01M 8/0293, H01M 8/0295)
}
H01M 8/106
. . . . .
{
Chemical composition of the porous support
}
H01M 8/1062
. . . . .
{
Physical properties of the porous support, e.g. porosity, thickness
}
H01M 8/1065
. . . .
{
characterized by their form, e.g. perforated, undulated (semi-permeable membranes characterised by their form B01D 69/00)
}
H01M 8/1067
. . . .
{
characterized by their physical properties, e.g. porosity, ionic conductivity, thickness
}
Collapse
H01M 8/1069
. . . .
{
characterized by the manufacturing processes (semi-permeable membrane manufacturing processes B01D 67/00; manufacture of ion-exchange membrane C08J 5/22)
}
Collapse
H01M 8/1072
. . . . .
{
Chemical reactions, e.g. in-situ polymerisation, in-situ crosslinking
}
H01M 8/1074
. . . . . .
{
Sol-gel processes
}
H01M 8/1076
. . . . .
{
Micromachining techniques, e.g. masking, etching steps, phtolithography
}
H01M 8/1079
. . . . .
{
Inducing porosity into non porous precursors membranes, e.g. leaching, pore stretching
}
H01M 8/1081
. . . . .
{
Starting from polymer solutions, dispersions, slurries other than monomer solutions, dispersions, slurries
}
H01M 8/1083
. . . . .
{
Starting from polymer melts other than monomer melts
}
Collapse
H01M 8/1086
. . . . .
{
After-treatment of the membrane other than polymerisation
}
H01M 8/1088
. . . . . .
{
chemical modification, e.g. sulfonation
}
H01M 8/109
. . . . . .
{
thermal other than drying, e.g. sintering
}
H01M 8/1093
. . . . . .
{
mechanical, e.g. pressing, puncturing
}
H01M 8/1097
. .
{
Fuel cells applied on a support, e.g. miniature fuel cell deposited on a silica support
}
Collapse
H01M 8/12
. .
operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Collapse
H01M 8/1206
. . .
{
with the anode and the cathode in the form of gas diffusion electrodes
}
Collapse
H01M 8/1213
. . . .
{
characterised by the electrodes, the electrode/electrolyte combination or the supporting material
}
H01M 8/122
. . . . .
{
Undulated, corrugated, curved or wave-shaped membrane electrode assemblies (MEA)
}
H01M 8/1226
. . . . .
{
Supporting layer characteristics
}
H01M 8/1233
. . .
{
one of the reactants being solid or liquid
}
Collapse
H01M 8/124
. . .
{
characterised by the process of manufacturing or by the material of the electrolyte
}
Collapse
H01M 8/1246
. . . .
{
the electrolyte consisting of oxides (solid oxides ion conductive electrolyte H01M 2300/0074)
}
H01M 8/1253
. . . . .
{
the electrolyte containing zirconium oxide (solid electrolyte based on zirconium oxide H01M 2300/0077)
}
H01M 8/126
. . . . .
{
the electrolyte containing cerium oxide
}
H01M 8/1266
. . . . .
{
the electrolyte containing bismuth oxide
}
H01M 8/1273
. . . . .
{
Fuel cells with solid halide electrolytes (solid halide electrolyte H01M 2300/008)
}
H01M 8/1286
. . .
{
Fuel cells applied on a support, e.g. miniature fuel cells deposited on a silica support
}
Collapse
H01M 8/14
.
Fuel cells with fused electrolytes
Collapse
H01M 8/141
. .
{
the anode and the cathode being gas-permeable electrodes or electrode layers
}
H01M 8/142
. . .
{
with matrix-supported or semi-solid matrix-reinforced electrolyte
}
H01M 8/143
. .
{
with liquid, solid or electrolyte-charged reactants
}
Collapse
H01M 8/144
. .
{
characterised by the electrolyte material
}
H01M 8/145
. . .
{
comprising carbonates
}
H01M 8/146
. .
{
Fuel cells with molten hydroxide (molten hydroxide electrolyte T01M300/B6H)
}
H01M 8/148
. .
{
Measures, other than selecting a specific electrode material, to reduce electrode dissolution
}
H01M 8/16
.
Biochemical fuel cells, i.e. cells in which micro-organisms function as catalysts
Collapse
H01M 8/18
.
Regenerative fuel cells
H01M 8/182
. .
{
Regeneration by thermal means
}
Collapse
H01M 8/184
. .
{
Regeneration by electrochemical means
}
H01M 8/186
. . .
{
by electrolytic decomposition of the electrolytic solution or the formed water product
}
H01M 8/188
. . .
{
by recharging of redox couples containing fluids; Redox flow type batteries
}
H01M 8/20
.
Indirect fuel cells, e.g. Redox cells (H01M 8/18 takes precedence)
Collapse
H01M 8/22
.
Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
H01M 8/222
. .
{
Fuel cells in which the fuel is based on compounds containing nitrogen, e.g. hydrazine, ammonia
}
H01M 8/225
. .
{
Fuel cells in which the fuel is based on materials comprising particulate active material in the form of a suspension, a dispersion, a fluidised bed or a paste
}
H01M 8/227
. .
{
Dialytic cells or batteries; Reverse electrodialysis cells or batteries
}
Collapse
H01M 8/24
.
Grouping of fuel cells into batteries
Collapse
H01M 8/2405
. .
{
comprising spaced diffusion electrodes or electrode layers with interposed electrolyte layer or electrolyte compartment
}
Collapse
H01M 8/241
. . .
{
with solid or matrix-supported electrolyte
}
H01M 8/2415
. . . .
{
External manifolded battery stock (H01M 8/2425, H01M 8/244 take precedence)
}
H01M 8/242
. . . .
{
comprising framed electrodes or intermediary frame-like gaskets (H01M 8/2425, H01M 8/244 take precedence)
}
Collapse
H01M 8/2425
. . . .
{
High-temperature cells with solid electrolyte
}
H01M 8/243
. . . . .
{
of tubular or cylindrical configuration
}
H01M 8/2435
. . . . .
{
with monolithic core structure, e.g. honeycombs
}
H01M 8/244
. . . .
{
with matrix-supported molten electrolyte
}
Collapse
H01M 8/2445
. . .
{
comprising spaced diffusion electrodes or electrode layers with interposed electrolyte compartment with possible electrolyte supply or circulation
}
H01M 8/245
. . . .
{
comprising framed electrodes or intermediary frame-like gaskets
}
Collapse
H01M 8/2455
. .
{
with liquid, solid or electrolyte-charged reactants
}
H01M 8/246
. . .
{
with framed electrodes or intermediary frame-like gaskets
}
Collapse
H01M 8/2465
. .
{
Details of fuel cell stacks
}
Collapse
H01M 8/247
. . .
{
Arrangements for tightening a stack, for accommodation of a stack in a tank, for assembling different tanks
}
H01M 8/2475
. . . .
{
Enclosures, casings or containers of fuel cells
}
H01M 8/248
. . . .
{
Compression means of the fuel cell stack
}
H01M 8/2485
. . .
{
Arrangements for sealing or mounting external manifolds around a stack; Manifold structure and material
}
Collapse
H01M 8/249
. .
{
comprising a plurality of stacks, e.g. modular assembly
}
H01M 8/2495
. . .
{
of fuel cells of different type
}
Collapse
Secondary cells; Manufacture thereof
NOTE
-
Secondary cells are accumulators receiving and supplying electrical energy by means of reversible electrochemical reactions.

H01M 10/02
.
Details (of non-active parts H01M 2/00; of electrodes H01M 4/00)
Collapse
H01M 10/04
.
Construction or manufacture in general (H01M 10/12, H01M 10/28, H01M 10/38 take precedence)
Collapse
H01M 10/0404
. .
{
Machines for assembling batteries
}
H01M 10/0409
. . .
{
for cells with wound electrodes
}
Collapse
H01M 10/0413
. .
{
Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
}
H01M 10/0418
. . .
{
with bipolar electrodes
}
Collapse
H01M 10/0422
. .
{
Cells or battery with cylindrical casing
}
H01M 10/0427
. . .
{
Button cells
}
H01M 10/0431
. .
{
Cells with wound or folded electrodes (H01M 10/045 takes precedence)
}
Collapse
H01M 10/0436
. .
{
Small-sized flat cells or batteries portable equipment
}
H01M 10/044
. . .
{
with bipolar electrodes
}
H01M 10/0445
. .
{
Multimode batteries, e.g. containing auxiliary cells or electrodes switchable in parallel or series connections
}
Collapse
H01M 10/045
. .
{
Cells or batteries with folded plate-like electrodes
}
H01M 10/0454
. . .
{
Cells or batteries with electrodes of only one polarity folded
}
H01M 10/0459
. .
{
Cells or batteries with folded separator between plate-like electrodes
}
H01M 10/0463
. .
{
Cells or batteries with horizontal or inclined electrodes
}
H01M 10/0468
. .
{
Compression means for stacks of electrodes and separators
}
H01M 10/0472
. .
{
Vertically superposed cells with vertically disposed plates
}
H01M 10/0477
. .
{
with circular plates
}
H01M 10/0481
. .
{
Compression means other than compression means for stacks of electrodes and separators
}
H01M 10/0486
. .
{
Frames for plates or membranes
}
H01M 10/049
. .
{
Processes for forming or storing electrodes in the battery container
}
Collapse
H01M 10/05
.
Accumulators with non-aqueous electrolyte (H01M 10/39 takes precedence)
Collapse
H01M 10/052
. .
Li-accumulators
H01M 10/0525
. . .
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/054
. .
Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
Collapse
H01M 10/056
. .
characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
{
(electrolytes for hybrid or electric double layer capacitors H01G 11/54)
}
Collapse
H01M 10/0561
. . .
the electrolyte being constituted of inorganic materials only
H01M 10/0562
. . . .
Solid materials
H01M 10/0563
. . . .
Liquid materials, e.g. for Li-SOCI2 cells
Collapse
H01M 10/0564
. . .
the electrolyte being constituted of organic materials only
H01M 10/0565
. . . .
Polymeric materials, e.g. gel-type or solid-type
Collapse
H01M 10/0566
. . . .
Liquid materials
H01M 10/0567
. . . . .
characterised by the additives
H01M 10/0568
. . . . .
characterised by the solutes
H01M 10/0569
. . . . .
characterised by the solvents
Collapse
H01M 10/058
. .
Construction or manufacture
H01M 10/0583
. . .
of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
H01M 10/0585
. . .
of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/0587
. . .
of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
Collapse
H01M 10/06
.
Lead-acid accumulators (semi-lead accumulators H01M 10/20)
Collapse
H01M 10/08
. .
Selection of materials as electrolytes
H01M 10/10
. . .
Immobilising of electrolyte
Collapse
H01M 10/12
. .
Construction or manufacture
H01M 10/121
. . .
{
Valve regulated lead acid batteries [VRLA
}
]
H01M 10/122
. . .
{
Multimode batteries
}
Collapse
H01M 10/123
. . .
{
Cells or batteries with cylindrical casing
}
H01M 10/124
. . . .
{
Button cells
}
H01M 10/125
. . .
{
Cells or batteries with wound or folded electrodes
}
Collapse
H01M 10/126
. . .
{
Small-sized flat cells or batteries for portable equipment (H01M 10/123 and H01M 10/125 take precedence)
}
H01M 10/127
. . . .
{
with bipolar electrodes
}
H01M 10/128
. . .
{
Processes for forming or storing electrodes in the battery container
}
H01M 10/14
. . .
Assembling a group of electrodes or separators
H01M 10/16
. . .
Suspending or supporting electrodes or groups of electrodes in the case
H01M 10/18
. .
with bipolar electrodes
Collapse
H01M 10/20
.
Semi-lead accumulators, i.e. accumulators in which only one electrode contains lead
H01M 10/22
. .
Selection of materials as electrolytes
Collapse
H01M 10/24
.
Alkaline accumulators
H01M 10/26
. .
Selection of materials as electrolytes
Collapse
H01M 10/28
. .
Construction or manufacture
Collapse
H01M 10/281
. . .
{
Large cells or batteries with stacks of plate-like electrodes
}
H01M 10/282
. . . .
{
with bipolar electrodes
}
Collapse
H01M 10/283
. . .
{
Cells or batteries with two cup-shaped or cylindrical collectors (H01M 10/281 takes precedence)
}
H01M 10/285
. . . .
{
Button cells
}
H01M 10/286
. . .
{
Cells or batteries with wound or folded electrodes
}
H01M 10/287
. . .
{
Small-sized flat cells or batteries for portable equipment (H01M 10/283 and H01M 10/286 take precedence)
}
H01M 10/288
. . .
{
Processes for forming or storing electrodes in the battery container
}
H01M 10/30
. .
Nickel accumulators (H01M 10/34 takes precedence)
H01M 10/32
. .
Silver accumulators (H01M 10/34 takes precedence)
Collapse
H01M 10/34
.
Gastight accumulators
H01M 10/342
. .
{
Gastight lead accumulators (H01M 10/121 takes precedence)
}
Collapse
H01M 10/345
. .
{
Gastight metal hydride accumulators
}
H01M 10/347
. . .
{
with solid electrolyte
}
Collapse
H01M 10/36
.
Accumulators not provided for in groups H01M 10/05-H01M 10/34
H01M 10/365
. .
{
Zinc-halogen accumulators
}
H01M 10/38
. .
Construction or manufacture
Collapse
H01M 10/39
. .
Working at high temperature
Collapse
H01M 10/3909
. . .
{
Sodium-sulfur cells
}
Collapse
H01M 10/3918
. . . .
{
characterised by the electrolyte
}
H01M 10/3927
. . . . .
{
Several layers of electrolyte or coatings containing electrolyte
}
H01M 10/3936
. . . . .
{
Electrolyte with a shape other than plane or cylindrical
}
H01M 10/3945
. . . .
{
containing additives or special arrangements in the sodium compartment
}
H01M 10/3954
. . . .
{
containing additives or special arrangement in the sulfur compartment
}
H01M 10/3963
. . . .
{
Sealing means between the solid electrolyte and holders
}
H01M 10/3972
. . . .
{
Flexible parts
}
H01M 10/3981
. . . .
{
Flat cells
}
H01M 10/399
. . .
{
Cells with molten salts
}
Collapse
H01M 10/42
.
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/4207
. .
{
for several batteries or cells simultaneously or sequentially
}
H01M 10/4214
. .
{
Arrangements for moving electrodes or electrolyte
}
H01M 10/4221
. .
{
with battery type recognition
}
H01M 10/4228
. .
{
Leak testing of cells or batteries
}
H01M 10/4235
. .
{
Safety or regulating additives or arrangements in electrodes, separators or electrolyte (H01M 10/4242 takes precedence)
}
H01M 10/4242
. .
{
Regeneration of electrolyte or reactants
}
Collapse
H01M 10/425
. .
{
Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K 1/00)
}
H01M 10/4257
. . .
{
Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
}
H01M 10/4264
. . .
{
with capacitors
}
H01M 10/4285
. .
{
Testing apparatus
}
Collapse
H01M 10/44
. .
Methods for charging or discharging (circuits for charging H02J 7/00)
H01M 10/441
. . .
{
for several batteries or cells simultaneously or sequentially
}
H01M 10/443
. . .
{
in response to temperature
}
H01M 10/445
. . .
{
in response to gas pressure
}
H01M 10/446
. . .
{
Initial charging measures
}
H01M 10/448
. . .
{
End of discharge regulating measures
}
Collapse
H01M 10/46
. .
Accumulators structurally combined with charging apparatus (circuits for charging H02J 7/00)
H01M 10/465
. . .
{
with solar battery as charging system
}
Collapse
H01M 10/48
. .
Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte (
{
H01M 10/44 takes precedence
}
; indicating or measuring level of liquid in general G01F 23/00; measuring density G01N, e.g. G01N 9/00; measuring electric variables G01R)
H01M 10/482
. . .
{
for several batteries or cells simultaneously or sequentially
}
H01M 10/484
. . .
{
for measuring electrolyte level, electrolyte density or electrolyte conductivity
}
H01M 10/486
. . .
{
for measuring temperature
}
H01M 10/488
. . .
{
Cells or batteries combined with indicating means for externally visualisation of the condition, e.g. by change of colour or of light intensity
}
Collapse
H01M 10/50
. .
Heating or cooling or regulating temperature (control of temperature in general G05D 23/00)
Collapse
H01M 10/5002
. . .
{
Types of temperature regulation
}
WARNING
-
Groups H01M 10/5002 to H01M 10/5097 are not complete, pending reclassification. See also H01M 10/50, H01M10/50B, T01M6/50S2-T01M6/50S2R

H01M 10/5004
. . . .
{
Cooling or keeping cold
}
H01M 10/5006
. . . .
{
Heating or keeping warm
}
H01M 10/5008
. . . .
{
Uniformity or distribution of temperature in space
}
Collapse
H01M 10/501
. . .
{
specially adapted for a specific application
}
Collapse
H01M 10/5012
. . . .
{
Portable devices, e.g. mobiles, cameras, pacemakers
}
H01M 10/5014
. . . . .
{
Power tools
}
H01M 10/5016
. . . .
{
Vehicles
}
H01M 10/5018
. . . .
{
Stationary plants, e.g. power plant buffering, backup power supplies
}
Collapse
H01M 10/502
. . .
{
Control systems (measurement of temperature H01M 10/486; charging and discharging in response to temperature H01M 10/443)
}
H01M 10/5022
. . . .
{
characterized by method steps, e.g. algorithms, flow charts, software details
}
H01M 10/5024
. . . .
{
based on ambient temperature
}
H01M 10/5026
. . . .
{
characterised by the use of reversible temperature sensitive devices, e.g. NTC, PTC, bimetal or by control of the internal current flowing through the battery, e.g. by switching (H01M 2/34 takes precedence; Temperature sensitive safety devices for primary or secondary batteries H01M 2200/10)
}
Collapse
H01M 10/5028
. . .
{
characterized by the shape of the cells
}
H01M 10/503
. . . .
{
Cylindrical
}
H01M 10/5032
. . . .
{
Prismatic or flat, e.g. pouch cells
}
Collapse
H01M 10/5034
. . .
{
Means for temperature regulation having parts combined with the battery
}
H01M 10/5036
. . . .
{
characterized by values or quantitative relationships, e.g. ratios, sizes, formulas, concentrations
}
H01M 10/5038
. . . .
{
characterized by gradients (temperature gradients H01M 10/5008)
}
H01M 10/504
. . . .
{
characterized by electrically insulating, thermally conductive materials
}
H01M 10/5042
. . . .
{
inside the innermost case of the battery, e.g. mandrels, electrodes, electrolytes
}
Collapse
H01M 10/5044
. . . .
{
Solid structures for heat-exchange or conduction
}
H01M 10/5046
. . . . .
{
Surfaces specially adapted for heat dissipation or radiation, e.g. fins, coatings
}
H01M 10/5048
. . . . .
{
Closed pipes transferring heat by thermal conductivity and phase transition, e.g. heat pipes
}
H01M 10/5051
. . . . .
{
Terminals or leads
}
Collapse
H01M 10/5053
. . . . .
{
Solid parts specially adapted for heat conduction other than terminals or leads, e.g. rods, plates
}
H01M 10/5055
. . . . . .
{
arranged between the cells
}
Collapse
H01M 10/5057
. . . . .
{
Solid parts with flow channels or tubes for heat exchange
}
H01M 10/5059
. . . . . .
{
arranged between the cells
}
Collapse
H01M 10/5061
. . . .
{
Fluids for heat exchange
}
Collapse
H01M 10/5063
. . . . .
{
Gases
}
H01M 10/5065
. . . . . .
{
freely flowing by convection only
}
Collapse
H01M 10/5067
. . . . . .
{
forcedly flowing, e.g. by blowers
}
H01M 10/5069
. . . . . . .
{
Compressed gases
}
H01M 10/5071
. . . . . . .
{
Recirculation or a U-turn in the flow path, i.e. back and forth (H01M 10/5069 takes precedence)
}
H01M 10/5073
. . . . . .
[Means within the gas flows giving the gas flows around a cell or a battery a certain direction, e.g. manifolds, baffles, obstacles]
Collapse
H01M 10/5075
. . . . .
{
Liquids
}
H01M 10/5077
. . . . . .
{
characterised by flow circuits external to the battery or the battery pack
}
H01M 10/5079
. . . . .
{
Fluids undergoing a liquid-gas phase change, e.g. evaporation, condensation (heat pipes H01M 10/5048)
}
Collapse
H01M 10/5081
. . . .
{
Electric or electromagnetic means (H01M 2/34 takes precedence)
}
H01M 10/5083
. . . . .
{
Resistor heaters (arrangements for heating the battery by its resistance to internal current H01M 10/5026)
}
H01M 10/5085
. . . . .
{
Peltier elements or thermo-electric devices
}
H01M 10/5087
. . . .
{
Thermal insulation or shielding
}
H01M 10/5089
. . . .
{
Heat storage or buffering, e.g. heat capacity, liquid-solid phase changes
}
H01M 10/5091
. . . .
{
Chemical reactions other than electrochemical reactions of the battery, e.g. catalytic heaters, burners
}
Collapse
H01M 10/5093
. . .
{
Heat exchange relationships between a battery and another system, e.g. air-conditioners, central heating systems, vehicle engines, electronic components, fuel cells, capacitors
}
H01M 10/5095
. . . .
{
the system being an air-conditioner or an engine
}
H01M 10/5097
. . . .
{
the system being an electronic component, e.g. CPU, inverter, capacitor
}
Collapse
H01M 10/52
. .
Removing gases inside the secondary cell, e.g. by absorption (vent plugs or other mechanical arrangements for facilitating escape of gases H01M 2/12)
H01M 10/523
. . .
{
by recombination on a catalytic material
}
H01M 10/526
. . .
{
by gas recombination on the electrode surface or by structuring the electrode surface to improve gas recombination
}
H01M 10/54
.
Reclaiming serviceable parts of waste accumulators
Collapse
Hybrid cells; Manufacture thereof
NOTE
-
Hybrid cells are electrochemical generators having two different types of half-cells, the half-cell being an electrode-electrolyte combination of either a primary, a secondary or a fuel cell.

H01M 12/005
.
{
composed of a half-cell of the capacitor type and of a half-cell of the primary or secondary battery type (hybrid capacitors H01G 9/155)
}
H01M 12/02
.
Details (of non-active parts H01M 2/00; of electrodes H01M 4/00)
Collapse
H01M 12/04
.
composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type (methods or arrangements for servicing or maintenance H01M 6/50)
Collapse
H01M 12/06
. .
with one metallic and one gaseous electrode
H01M 12/065
. . .
{
with plate-like electrodes or stacks of plate-like electrodes
}
Collapse
H01M 12/08
.
composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type (methods or arrangements for servicing or maintenance, e.g. for charging, H01M 10/42)
H01M 12/085
. .
{
Zinc-halogen cells or batteries
}
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Electrochemical current or voltage generators not provided for in groups H01M 6/00 - H01M 12/00; Manufacture thereof
H01M 14/005
.
{
Photoelectrochemical storage cells (light sensitive devices H01G 9/20, semiconductors sensitive to light H01Ll31/00)
}
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Structural combinations of different types of electrochemical generators
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H01M 16/003
.
{
of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
}
H01M 16/006
. .
{
of fuel cells with rechargeable batteries
}
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H01M 2002/00
Constructional details or processes of manufacture of the non-active parts
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H01M 2002/02
.
Cases, jackets or wrappings (working of plastics or substances in plastic stateB29)
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H01M 2002/0202
. .
{
for small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment (H01M 2/025 takes precedence)
}
H01M 2002/0205
. . .
Cases with a shape not covered by groups H01M 2/0207 to T01M2/02B6
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H01M 2002/0257
. .
{
characterised by the material
}
H01M 2002/0297
. . .
characterised by physical parameters
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H01M 2004/00
Electrodes (electrodes for electrolytic processes C25,
{
electrodes for hybrid or electric double capacitor H01G 11/22
}
)
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H01M 2004/02
.
Electrodes composed of or comprising active material
H01M 2004/021
. .
Physical characteristics, e.g. porosity, surface area
H01M 2004/022
. .
Electrodes made of one single microscopic fiber
H01M 2004/023
. .
Gel electrode
H01M 2004/024
. .
Insertable electrodes
H01M 2004/025
. .
with shapes other than plane or cylindrical
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H01M 2004/026
. .
characterised by the polarity
H01M 2004/027
. . .
Negative electrodes
H01M 2004/028
. . .
Positive electrodes
H01M 2004/029
. . .
Bipolar electrodes
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H01M 2004/86
.
Inert electrodes with catalytic activity, e.g. for fuel cells
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H01M 2004/8678
. .
characterised by the polarity
H01M 2004/8684
. . .
Negative electrodes
H01M 2004/8689
. . .
Positive electrodes
H01M 2004/8694
. . .
Bipolar electrodes
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H01M 2006/00
Primary cells; Manufacture thereof
NOTE
-
In this group, primary cells are electrochemical generators in which the cell energy is present in chemical form and is not regenerated.

Collapse
H01M 2006/04
.
Cells with aqueous electrolyte
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H01M 2006/06
. .
Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
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H01M 2006/10
. . .
with wound or folded electrodes
H01M 2006/106
. . . .
Elliptic wound cells
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H01M 2006/50
.
Methods or arrangements for servicing or maintenance, e.g. maintaining operating temperature
{
(cells or batteries combined with safety devices H01M 2200/00)
}
H01M 2006/5094
. .
Aspects relating to capacity ratio of electrolyte/electrodes or anode/cathode
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H01M 2008/00
Fuel cells; Manufacture thereof
NOTE
-
Fuel cells are electrochemical generators wherein the reactants are supplied from outside

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H01M 2008/10
.
Fuel cells with solid electrolytes
H01M 2008/1095
. .
Fuel cells with polymeric electrolytes
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H01M 2008/12
. .
operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 2008/128
. . .
Fuel cells with solid halide electrolytes
H01M 2008/1293
. . .
Fuel cells with solid oxide electrolytes
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H01M 2008/14
.
Fuel cells with fused electrolytes
H01M 2008/147
. .
Fuel cells with molten carbonates
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H01M 2010/00
Secondary cells; Manufacture thereof
NOTE
-
Secondary cells are accumulators receiving and supplying electrical energy by means of reversible electrochemical reactions.

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H01M 2010/04
.
Construction or manufacture in general (H01M 10/12, H01M 10/28, H01M 10/38 take precedence)
H01M 2010/0495
. .
Nanobatteries
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H01M 2010/42
.
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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H01M 2010/425
. .
{
Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K 1/00)
}
H01M 2010/4271
. . .
Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
H01M 2010/4278
. . .
Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
H01M 2010/4292
. .
Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
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H01M 2200/00
Safety devices for primary or secondary batteries
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H01M 2200/10
.
Temperature sensitive devices
H01M 2200/101
. .
Bimetal
H01M 2200/103
. .
Fuse
H01M 2200/105
. .
NTC
H01M 2200/106
. .
PTC
H01M 2200/108
. .
Normal resistors
H01M 2200/20
.
Pressure-sensitive devices
H01M 2200/30
.
Preventing polarity reversal
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H01M 2220/00
Batteries for particular applications
H01M 2220/10
.
Batteries in stationary systems, e.g. emergency power source in plant
H01M 2220/20
.
Batteries in motive systems, e.g. vehicle, ship, plane
H01M 2220/30
.
Batteries in portable systems, e.g. mobile phone, laptop
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H01M 2250/00
Fuel cells for particular applications; Specific features of fuel cell system
H01M 2250/10
.
Fuel cells in stationary systems, e.g. emergency power source in plant
H01M 2250/20
.
Fuel cells in motive systems, e.g. vehicle, ship, plane
H01M 2250/30
.
Fuel cells in portable systems, e.g. mobile phone, laptop
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H01M 2250/40
.
Combination of fuel cells with other energy production systems
H01M 2250/402
. .
Combination of fuel cell with other electric generators (combination of fuel cells with other electrochemical generator H01M 16/003)
H01M 2250/405
. .
Cogeneration of heat or hot water
H01M 2250/407
. .
Combination of fuel cells with mechanical energy generators
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H01M 2300/00
Electrolytes
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H01M 2300/0002
.
Aqueous electrolytes
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H01M 2300/0005
. .
Acid electrolytes
H01M 2300/0008
. . .
Phosphoric acid-based
H01M 2300/0011
. . .
Sulfuric acid-based
H01M 2300/0014
. .
Alkaline electrolytes
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H01M 2300/0017
.
Non-aqueous electrolytes
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H01M 2300/002
. .
Inorganic electrolyte
H01M 2300/0022
. . .
Room temperature molten salts
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H01M 2300/0025
. .
Organic electrolyte
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H01M 2300/0028
. . .
characterised by the solvent
H01M 2300/0031
. . . .
Chlorinated solvents
H01M 2300/0034
. . . .
Fluorinated solvents
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H01M 2300/0037
. . . .
Mixture of solvents
H01M 2300/004
. . . . .
Three solvents
H01M 2300/0042
. . . . .
Four or more solvents
H01M 2300/0045
. . .
Room temperature molten salts comprising at least one organic ion
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H01M 2300/0048
. .
Molten electrolytes used at high temperature
H01M 2300/0051
. . .
Carbonates
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H01M 2300/0054
. . .
Halogenides
H01M 2300/0057
. . . .
Chlorides
H01M 2300/006
. . .
Hydroxides
H01M 2300/0062
. . .
Nitrates
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H01M 2300/0065
. .
Solid electrolytes
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H01M 2300/0068
. . .
inorganic
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H01M 2300/0071
. . . .
Oxides
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H01M 2300/0074
. . . . .
Ion conductive at high temperature
H01M 2300/0077
. . . . . .
based on zirconium oxide
H01M 2300/008
. . . .
Halides
H01M 2300/0082
. . .
Organic polymers
H01M 2300/0085
.
Immobilising or gelification of electrolyte
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H01M 2300/0088
.
Composites
H01M 2300/0091
. .
in the form of mixtures
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H01M 2300/0094
. .
in the form of layered products, e.g. coatings
H01M 2300/0097
. . .
with adhesive layers
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013