US Patent Application 20100068591 - FUEL CELL CATALYST, FUEL CELL CATHODE AND POLYMER ELECTROLYTE FUEL CELL INCLUDING THE SAME

Application 20100068591 Filed on January 9, 2008. Published on March 18, 2010

Abstract Claims Description Full Text

Inventor

KAWAMURA, Tetsuo

US Classes

429/30, Solid electrolyte429/40Catalytic electrode structure or composition

Attorney, Agent or Firm

FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER;LLP

Foreign Documents

2007-002773 JP 01/10/2007

International Classes

H01M 8/10
H01M 4/00

Abstract text

The present invention actualizes a polymer electrolyte fuel cell that exhibits a high durability even when undergoing electric potential variation cycles. Used is a fuel cell catalyst characterized in that a metal catalyst, and an oxide of niobium (Nb2O5) and/or an oxide of tantalum (Ta2O5) are supported on a conductive material.

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