Fuel cell system and fuel cells therefor

Details Fuel cell system and fuel cells therefor Fuel cell system and fuel cells therefor

1994-03-10

1996-04-16

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 32, 429 33, 429 34, 429 38, 429 39, H01M 818

Patent

active

055081282

ABSTRACT:
A fuel cell includes an electrolyte layer in form of a plate, an oxygen electrode formed on one surface of the electrolyte layer, a fuel electrode formed on the other surface of the electrolyte layer, and a conductive separator opposed to the oxygen electrode or fuel electrode for defining oxygen-containing gas passages or fuel gas passages. The separator includes a plate-like portion opposed to and spaced from the oxygen electrode or fuel electrode, a pair of strip-shaped projections extending along opposite ends of the plate-like portion for contacting opposite edges of the electrolyte layer, and a plurality of ridges for defining gas passages in form of grooves between the pair of strip-shaped projections. A fuel cell system includes a plurality of such fuel cells stacked one over another in a spaced relationship to define fuel gas passages or oxygen-containing gas passages in between. A flexible conductive element is disposed between an adjacent pair of the fuel cells.

REFERENCES:
patent: 4857420 (1989-08-01), Maricle et al.
patent: 5292599 (1994-03-01), Soma et al.

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