FUEL CELL CONSTITUENT MEMBER AND ITS MANUFACTURING METHOD

Japanese Patent JP2010192169

A

To provide a solid polymer electrolyte fuel cell in which both deterioration of a material by peroxide and closure of a gas passage by water are suppressed and which has high durability and voltage stability.

The surface of the gas passage 17 is roughened (hydrated) by applying particles of a metal compound having hydrogen peroxide resolvability on the surface of the gas passage formation member such as a separator 15 and porous body, by a projection method such as liquid horing, shot peening, electrolytic in-process dressing, and voltage stability is improved, and by making the particles of the metal compound being a hydrogen peroxide decomposition accelerator remain on the surface of the gas passage, deterioration of a battery member is suppressed.

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JP3321708	Description: A fuel cell separator composed of a conductive resin composition and the conductive resin composition, a method for producing the same, and a polymer electrolyte fuel cell using the fuel cell separator.

HASEGAWA HAJIME
AOYAMA NAOTAKA
FUJISAWA KATSUTOSHI

JP2009033256A

September 02, 2010

February 16, 2009

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TOYOTA MOTOR CORP

H01M8/02; H01M8/10

Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Shinji Endo

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