Fuel cell

Details Fuel cell Fuel cell

2007-04-13

2010-10-12

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Means for distributing, storing, or preventing fluid movement

C429S413000, C429S452000, C429S458000, C429S505000

Reexamination Certificate

active

07811718

ABSTRACT:
There is provided a fuel cell in which produced water can be efficiently conveyed to an upstream region of hydrogen gas flow, thereby quickly increasing the power generation performance of an electrolyte membrane after activation in a short period of time and giving a stable output for a long period of time and in which the directions of hydrogen gas flows in a first and a second fuel supply layers that share one oxygen supply layer are set to be opposite to each other.

REFERENCES:
patent: 3573102 (1971-03-01), Lane et al.
patent: 4444851 (1984-04-01), Maru
patent: 5514486 (1996-05-01), Wilson
patent: 5543240 (1996-08-01), Lee et al.
patent: 5773160 (1998-06-01), Wilkinson et al.
patent: 6207312 (2001-03-01), Wynne et al.
patent: 2000-58100 (2000-02-01), None
Felix N. Buchi et al., “Operating Proton Exchange Membrane Fuel Cells Without Eternal Humidification of the Reactant Gases,” 144 (8) J. Electrochem. Soc. 2767-72 (Aug. 1997).

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