Membrane electrode assembly of solid polymer electrolyte...

Details Membrane electrode assembly of solid polymer electrolyte... Membrane electrode assembly of solid polymer electrolyte...

2007-10-30

2007-10-30

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000

Reexamination Certificate

active

11264589

ABSTRACT:
A membrane electrode assembly for solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by these electrodes, the catalyst layer of cathode electrode contains a Pt—Co catalyst that is Pt—Co alloys supported by an electrical conductive material, and crystalline carbon fibers, improving the catalyst activity and controlling the oxidization corrosion reaction of the catalyst carrier can be carried out, and providing a high initial performance and superior durability.

REFERENCES:
patent: 2002/0068213 (2002-06-01), Kaiser et al.
patent: 2004/0115517 (2004-06-01), Fukuda et al.
patent: 2006/0002844 (2006-01-01), Suenaga et al.
patent: 2003-142112 (2003-05-01), None
patent: 2004-158388 (2004-03-01), None
IPDL JPO Machine Translation for JP 2004-158388 (publication date of Mar. 2004).

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