Separator for fuel cell and method of manufacture therefor

Details Separator for fuel cell and method of manufacture therefor Separator for fuel cell and method of manufacture therefor

2005-07-26

2005-07-26

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000, C429S006000, C429S129000, C429S135000, C429S143000, C029S623100

Reexamination Certificate

active

06921600

ABSTRACT:
A separator (4) for a fuel cell (1a) is provided which allows effective use of heat generated in proximity to an electrolytic membrane (2) in order to melt frozen water in the gas diffusion electrodes (3a,3b) of the fuel cell (1a). The separator (4) is provided with a plurality of projections (11) between which a gas flow passage (7a,7b) on the surface of the separator (4) is formed and which make contact with the gas diffusion electrodes (3a,3b). The coefficient of thermal conductivity of the projection (11) is smaller than the coefficient of thermal conductivity of other sections of the separator (4).

REFERENCES:
patent: 6544680 (2003-04-01), Takano et al.
patent: 2 359 186 (2001-08-01), None
patent: 2359186 (2001-08-01), None
patent: 6-333580 (1995-04-01), None
patent: 8-138692 (1996-05-01), None
patent: 2000-223131 (2000-08-01), None

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