US 11,817,611 B2
Fuel cell stack
Adel Jilani, Burnaby (CA); and Siva Sankar Voosani Krishna, Burnaby (CA)
Assigned to Volkswagen AG, Wolfsburg (DE); and Audi AG, Ingolstadt (DE)
Appl. No. 17/254,802
Filed by AUDI AG, Ingolstadt (DE); and Volkswagen AG, Wolfsburg (DE)
PCT Filed May 10, 2019, PCT No. PCT/EP2019/062013
§ 371(c)(1), (2) Date Dec. 21, 2020,
PCT Pub. No. WO2019/242932, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 10 2018 210 181.7 (DE), filed on Jun. 22, 2018.
Prior Publication US 2021/0265649 A1, Aug. 26, 2021
Int. Cl. H01M 8/248 (2016.01); H01M 8/2475 (2016.01)
CPC H01M 8/248 (2013.01) [H01M 8/2475 (2013.01); H01M 2250/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A fuel cell stack, comprising:
one first end plate and one second end plate;
a plurality of fuel cells arranged between the first and second end plates; and
at least one first elastic tensile or tensioning element tensioned in the stack direction between the end plates,
wherein in first end areas of the first end plate and/or in second end areas of the second end plate inlet and outlet ports for operating resources are arranged, and
wherein at least one second elastic tensile or tensioning element is tensioned between one of the first end areas and one of the second end areas.