	US 12,394,812 B2
	Fuel cell stack re-compression method and design
Yeh-Hung Lai, Oakland, MI (US); and Jeffrey A. Rock, Rochester Hills, MI (US)
Assigned to GM Global Technology Operations LLC, Detroit, MI (US)
Filed by GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed on Sep. 21, 2022, as Appl. No. 17/949,581.
Prior Publication US 2024/0097173 A1, Mar. 21, 2024
Int. Cl. H01M 8/248 (2016.01)

CPC H01M 8/248 (2013.01) [H01M 2250/20 (2013.01)]

20 Claims

1. A method for maintaining compression of a fuel cell system comprising one or more fuel cells, the method comprising:

performing recovery of one or more fuel cell stacks (FCSs) of the fuel cell system; and

performing re-compression of each of the recovered one or more FCSs.