MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAME

Title:

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAME

Document Type and Number:

WIPO Patent Application WO/2011/059115

Kind Code:

A1

Abstract:

Disclosed is a membrane electrode assembly wherein catalyst layers that contain an electrode catalyst are provided on both sides of an electrolyte membrane. The membrane electrode assembly is characterized in that at least one of the catalyst layers contains a base metal electrode catalyst and an ionomer that has an ion exchange capacity of not less than 1.2 meq/g.

Inventors:

KOSHINO NOBUYOSHI (JP)
ONODERA TORU (JP)

Application Number:

PCT/JP2010/070646

Publication Date:

May 19, 2011

Filing Date:

November 15, 2010

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)
KOSHINO NOBUYOSHI (JP)
ONODERA TORU (JP)

International Classes:

H01M4/86; B01J31/22; C08G61/00; C08L101/00; H01M4/90; H01M8/02

Domestic Patent References:

WO2007013532A1	2007-02-01
WO2006095919A1	2006-09-14

Foreign References:

JP2007305315A	2007-11-22
JP2004532734A	2004-10-28
JP2005050760A	2005-02-24
JP2006269368A	2006-10-05
JP2004247286A	2004-09-02
JP2002100374A	2002-04-05
JP2005205287A	2005-08-04
JPH09102322A	1997-04-15
US4012303A	1977-03-15
US4605685A	1986-08-12
JPH09110982A	1997-04-28
JP2001250567A	2001-09-14
JP2003238678A	2003-08-27
JP2003282096A	2003-10-03
JP2004089976A	2004-03-25

Other References:

NATURE, vol. 443, 2006, pages 63 - 66
TETRAHEDRON, vol. 55, 1999, pages 8377
"Iwanami Dictionary of Physics and Chemistry", 1988
"Chemistry of Surface Analysis and Modification", 19 December 2003, NIKKAN KOGYO SHIMBUN LTD.
J. APPL. POLYM. SCI., vol. 18, 1974, pages 1969

Attorney, Agent or Firm:

NAKAYAMA, Tohru et al. (JP)
Nakayama 亨 (JP)

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