Fuel electrode for solid polymer electrolyte fuel cell,...

Details Fuel electrode for solid polymer electrolyte fuel cell,... Fuel electrode for solid polymer electrolyte fuel cell,...

2006-05-09

2006-05-09

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S006000, C429S047000, C429S047000

Reexamination Certificate

active

07041402

ABSTRACT:
A solid polymer electrolyte fuel cell has a fuel electrode and an oxidant electrode, which face each other via a solid polymer electrolyte membrane. A metallic complex is added to the fuel electrode of the solid polymer electrolyte fuel cell. Since this metallic complex adsorbs oxygen as the oxygen partial pressure at the fuel electrode increases and desorbs oxygen as the oxygen partial pressure decreases, oxygen produced when a reverse voltage is generated can be removed efficiently. It may be possible to prevent the deterioration of or damage to a catalyst material of the fuel cell and the electrolyte membrane.

REFERENCES:
patent: 5358803 (1994-10-01), Abraham et al.
patent: 6146782 (2000-11-01), Wendt et al.
patent: 6335112 (2002-01-01), Asukabe et al.
patent: 11-329455 (1999-11-01), None
patent: WO 01/15247 (2001-03-01), None
patent: WO 01/15249 (2001-03-01), None
patent: WO 01/15254 (2001-03-01), None
patent: WO 01/15255 (2001-03-01), None

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