US 12,431,523 B2
Fuel cell
Dae Han Ka, Yongin-si (KR); and Yong Suk Heo, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Oct. 12, 2022, as Appl. No. 17/964,616.
Claims priority of application No. 10-2022-0073423 (KR), filed on Jun. 16, 2022.
Prior Publication US 2023/0411665 A1, Dec. 21, 2023
Int. Cl. H01M 8/248 (2016.01); H01M 8/0267 (2016.01); H01M 8/2475 (2016.01)
CPC H01M 8/248 (2013.01) [H01M 8/0267 (2013.01); H01M 8/2475 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A fuel cell, comprising:
a cell stack comprising a plurality of unit cells stacked in a first direction;
an end plate disposed at at least one of two ends of the cell stack;
a heating element disposed between the end plate and the cell stack; and
a heater connector disposed at the end plate and electrically connected to the heating element,
wherein the end plate comprises:
a core having a first rigidity and having a first recess defined therein to receive at least a portion of the heater connector;
a reinforcement plate covering the first recess and having a second rigidity; and
a clad having a third rigidity less than each of the first rigidity and the second rigidity and disposed to envelop the heater connector and to cover the core and the reinforcement plate.