Fuel cell stack with passive air supply

Details Fuel cell stack with passive air supply Fuel cell stack with passive air supply

2006-01-17

2006-01-17

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

06986961

ABSTRACT:
A fuel cell stack has a plurality of polymer electrolyte fuel cells (PEFCs) where each PEFC includes a rectangular membrane electrode assembly (MEA) having a fuel flow field along a first axis and an air flow field along a second axis perpendicular to the first axis, where the fuel flow field is long relative to the air flow field. A cathode air flow field in each PEFC has air flow channels for air flow parallel to the second axis and that directly open to atmospheric air for air diffusion within the channels into contact with the MEA.

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patent: 6296963 (2001-10-01), Nanjo
patent: 6299996 (2001-10-01), White et al.
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patent: 2002/0028372 (2002-03-01), Ohlsen et al.
patent: 2002/0106546 (2002-08-01), Perry et al.
patent: 2003/0082432 (2003-05-01), Wilkinson et al.

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