MEMBRANE ELECTRODE ASSEMBLY AND SOLID POLYMER FUEL CELL IN WHICH SAME IS USED

Title:

MEMBRANE ELECTRODE ASSEMBLY AND SOLID POLYMER FUEL CELL IN WHICH SAME IS USED

Document Type and Number:

WIPO Patent Application WO/2015/151714

Kind Code:

A1

Abstract:

　In the present invention, a membrane electrode assembly is obtained by forming a catalyst layer on at least one surface of a solid polymer electrolyte film, the catalyst layer containing a catalyst-supporting carrier, in which a catalyst is supported on a carrier comprising an inorganic oxide, and a highly hydrophobic substance that is more hydrophobic than the inorganic oxide. Taking the degree of hydrophobicity are the methanol concentration (vol%) corresponding to an 80% rate of light transmission in a liquid dispersion obtained by dispersing the highly hydrophobic substance in a water-ethanol mixture, the degree of hydrophobicity of the highly hydrophobic substance is preferably 0.5% by volume to 45% by volume at 25°C.

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Inventors:

TANIGUCHI KOJI (JP)
WATANABE MASAHIRO (JP)
UCHIDA MAKOTO (JP)
KAKINUMA KATSUYOSHI (JP)

Application Number:

PCT/JP2015/056522

Publication Date:

October 08, 2015

Filing Date:

March 05, 2015

Export Citation:

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Assignee:

MITSUI MINING & SMELTING CO (JP)
NAT UNIVERSITY CORP UNIVERSITY OF YAMANASHI (JP)

International Classes:

H01M4/86; H01M8/02; H01M8/10

Foreign References:

JP2008541399A	2008-11-20
JP2011175772A	2011-09-08
JP2004185901A	2004-07-02
JP2005276746A	2005-10-06

Other References: