Solid polymer type fuel cell

Details Solid polymer type fuel cell Solid polymer type fuel cell

2005-01-18

2005-01-18

Bell, Bruce F. (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S047000, C429S047000, C429S047000, C429S302000, C429S313000

Reexamination Certificate

active

06844097

ABSTRACT:
A solid polymer fuel cell (1) has an electrolyte membrane (2), and an air electrode (3) and a fuel electrode (4) that closely contact to opposite sides of the electrolyte membrane (2) respectively. The electrolyte membrane (2) has a membrane core (9) comprising a polymer ion-exchange component, and a plurality of phyllosilicate particles (10) that disperse in the membrane core (9) and are subjected to ion-exchange processing between metal ions and protons, and proton conductance Pc satisfies Pc>0.05 S/cm. Owing to this, it is possible to provide the solid polymer fuel cell equipped with the electrolyte membrane (2) that has excellent high-temperature strength and can improve power-generating performance.

REFERENCES:
patent: 5188768 (1993-02-01), Sotomura
patent: 6544689 (2003-04-01), Riley et al.
patent: 6630265 (2003-10-01), Taft et al.
patent: 5-283094 (1993-10-01), None
patent: 10-334922 (1998-12-01), None
patent: 2000-294260 (2000-10-01), None
WO 96/12317, published Apr. 25, 1996.

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