Mirrored serpentine flow channels for fuel cell

Details Mirrored serpentine flow channels for fuel cell Mirrored serpentine flow channels for fuel cell

1998-01-30

2000-08-08

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 30, H01M 804, H01M 802

Patent

active

060999845

ABSTRACT:
A PEM fuel cell having serpentine flow field channels wherein the input/inlet legs of each channel border the input/inlet legs of the next adjacent channels in the same flow field, and the output/exit legs of each channel border the output/exit legs of the next adjacent channels in the same flow field. The serpentine fuel flow channels may be longer, and may contain more medial legs, than the serpentine oxidant flow channels.

REFERENCES:
patent: 5108849 (1992-04-01), Watkins et al.
patent: 5300370 (1994-04-01), Washington et al.
patent: 5514487 (1996-05-01), Washington et al.
patent: 5686199 (1997-11-01), Cavalca et al.
patent: 5776624 (1998-07-01), Neutzler
patent: 5981098 (1999-11-01), Vitale
Chilton's Product Design & Development, Jun. 1997.

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