US 9,812,703 B2
Electrode and electrical storage device for lead-acid system
Jun Furukawa, Fukushima (JP); Daisuke Monma, Fukushima (JP); Lan Trieu Lam, Springvale (AU); Rosalie Louey, Donvale (AU); and Nigel Peter Haigh, Wallen (AU)
Assigned to COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION, Campbell (AU); and THE FURUKAWA BATTERY CO., LTD, Yokohama (JP)
Appl. No. 13/996,934
Filed by Jun Furukawa, Fukushima (JP); Daisuke Monma, Fukushima (JP); Lan Trieu Lam, Springvale (AU); Rosalie Louey, Donvale (AU); and Nigel Peter Haigh, Wallen (AU)
PCT Filed Dec. 21, 2011, PCT No. PCT/AU2011/001647
§ 371(c)(1), (2), (4) Date Oct. 25, 2013,
PCT Pub. No. WO2012/083358, PCT Pub. Date Jun. 28, 2012.
Claims priority of application No. 2010-284040 (JP), filed on Dec. 21, 2010.
Prior Publication US 2014/0127565 A1, May 8, 2014
Int. Cl. H01M 4/14 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 4/16 (2006.01); H01M 4/583 (2010.01)
CPC H01M 4/14 (2013.01) [H01M 4/16 (2013.01); H01M 4/366 (2013.01); H01M 4/625 (2013.01); H01M 4/583 (2013.01)] 35 Claims
 
1. An electrode comprising active battery material for a lead-acid storage battery, wherein a surface of the electrode is provided with a coating layer comprising a carbon mixture containing composite carbon particles, wherein each of the composite carbon particles comprises a particle of a first capacitor carbon material with particles of a second electrically conductive carbon material adhered to a surface of the first capacitor carbon material, and wherein a surface coverage on the particles of the first capacitor carbon material by the second electrically conductive carbon material is at least 20%.