Fuel electrode of solid polymer electrolyte fuel cell

Details Fuel electrode of solid polymer electrolyte fuel cell Fuel electrode of solid polymer electrolyte fuel cell

2006-12-12

2006-12-12

Cantelmo, Gregg (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S047000, C429S047000

Reexamination Certificate

active

07147949

ABSTRACT:
The present invention provides a fuel electrode of a solid polymer electrolyte fuel cell for advancing a fuel cell reaction to oxidize the fuel introduced through a diffusion layer, comprising at least one reaction layer which is in contact with a solid polymer electrolyte membrane and advances the fuel cell reaction and at least one water decomposition layer which is in contact with the diffusion layer and electrolyzes the water in the fuel electrode. The layer taking charge of the fuel cell reaction is protected by providing the fuel electrode having a multilayer structure and providing the layer for preferentially performing the electrolysis of the water contained in the fuel or the like. This results in a fuel electrode in which the reduction of the electrode performance will not easily occur even when fuel shortage may be created.

REFERENCES:
patent: 5607785 (1997-03-01), Tozawa et al.
patent: 2002/0015879 (2002-02-01), Gascoyne et al.
patent: WO 00/72391 (2000-11-01), None
patent: WO 00/72391 (2000-11-01), None
patent: WO 01/15247 (2001-03-01), None
patent: WO 01/15247 (2001-03-01), None
patent: WO 01/15254 (2001-03-01), None
patent: WO 01/15254 (2001-03-01), None
patent: WO 01/15255 (2001-03-01), None
patent: WO 01/15255 (2001-03-01), None

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