	US 11,695,140 B2
	Method and apparatus for detecting damage in fuel cell stacks, and adjusting operational characteristics in fuel cell systems
Darren Bawden Hickey, Clifton Park, NY (US); and Honggang Wang, Clifton Park, NY (US)
Assigned to CUMMINS ENTERPRISE LLC, Indianapolis, IN (US)
Filed by CUMMINS ENTERPRISE LLC, Indianapolis, IN (US)
Filed on Oct. 8, 2020, as Appl. No. 17/66,235.
Application 17/066,235 is a division of application No. 15/382,847, filed on Dec. 19, 2016, granted, now 10,840,528.
Prior Publication US 2021/0028473 A1, Jan. 28, 2021
Int. Cl. H01M 8/04664 (2016.01); H01M 8/04746 (2016.01); H01M 8/248 (2016.01); H01M 8/2432 (2016.01); H01M 8/12 (2016.01)

CPC H01M 8/04679 (2013.01) [H01M 8/04753 (2013.01); H01M 8/248 (2013.01); H01M 8/2432 (2016.02); H01M 2008/1293 (2013.01)]

20 Claims

1. An apparatus for detecting oxidation in at least one planar fuel cell stack, comprising:

a multitude of fuel cells, and

a measuring mechanism for measuring the height of a fuel cell, wherein the measuring mechanism is attached to or in communication with the fuel cell stack, wherein an increase in the height of the fuel cell from a previously measured height correlates to oxidation in at least one of the multitude of fuel cells of the fuel cell stack.