Fuel cell

Details Fuel cell Fuel cell

2005-08-09

2005-08-09

Kalafut, Stephen (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S010000, C204SDIG004

Reexamination Certificate

active

06926982

ABSTRACT:
A polymer electrolyte fuel cell composed of a plurality of unit cells stacked one after another, which comprises: a water electrolysis portion and a fuel cell portion disposed in the single plane of each unit cell; an oxygen electrode disposed on one side of a proton exchange membrane and a hydrogen electrode disposed on the other side in the stacking direction of the unit cells; a diffusion layer disposed on both sides of each electrode for allowing generated electrons to pass through; interconnectors disposed outside the diffusion layers and having a gas passage for feeding the fuel cell portion with a gas; and a water passage disposed in the interconnector on the side of the oxygen electrode for feeding the water electrolysis portion with water. A fuel cell system and a production process of thereof are also disclosed.

REFERENCES:
patent: 4839247 (1989-06-01), Levy et al.
patent: 199 27 849 (1999-12-01), None
patent: 2002-252017 (2002-09-01), None

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