Electrode for polymer electrolyte fuel cell

Details Electrode for polymer electrolyte fuel cell Electrode for polymer electrolyte fuel cell

2006-08-22

2006-08-22

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000, C429S047000, C204S291000, C204S284000

Reexamination Certificate

active

07094492

ABSTRACT:
A polymer electrolyte fuel cell has a catalytic layer comprising a material and a polymer electrolyte, and the catalytic layer contains a fibrous material such as carbon whiskers or hydrophilic fibers. The polymer electrolyte fuel cell in the present invention having a catalytic layer comprising a catalytic material, an ion conducting material, an electron conducting material, and a void forming agent, and voids having diameters of from 60 to 1000 nm in the catalytic layer has a void volume of from 0.15 to 0.25 cm3/g.

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