Patent ID: 11894566
Assignee: ROBERT BOSCH GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. The fuel cell stack of claim 5, wherein at least another one of the second number of fuel cell units being a fifth fuel cell unit including an MEA with a fifth catalyst material on either or both an anode and a cathode of the fifth fuel cell unit, the fifth fuel cell unit positioned between the second fuel cell unit and the second reactant inlet, the fifth fuel cell unit being more susceptible to a pooling of a liquid, an acid corrosion, a pressure drop or a contaminant than the second fuel cell unit, the fifth catalyst material including a fifth catalyst composition, the fifth catalyst composition being different from the second catalyst composition, the fifth catalyst composition being loaded onto a fifth catalyst support at a fifth loading, the fifth loading being higher than the second loading.