Fuel cell and fuel cell stack

Details Fuel cell and fuel cell stack Fuel cell and fuel cell stack

2008-07-01

2008-07-01

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

07393607

ABSTRACT:
A fuel cell includes a membrane electrode assembly, and a first and second separators for sandwiching the membrane electrode assembly. The first separator has an oxygen-containing gas flow passage for allowing an oxygen-containing gas in a serpentine pattern to flow horizontally back and forth, and flow downwardly. Partition areas are provided along the oxygen-containing gas flow passage in the serpentine pattern. The partition areas are formed by partially cutting out a gas diffusion layer. Insulating seals for preventing leakage of the oxygen-containing gas are provided in the partition areas.

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patent: 2001-110432 (2001-04-01), None
Japanese Office Action for Application No. 2002-169934, dated Jul. 18, 2006.

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