Metal oxide electrode catalyst, use thereof, and method for...

Details Metal oxide electrode catalyst, use thereof, and method for... Metal oxide electrode catalyst, use thereof, and method for...

H - Electricity

01

M

H01M 4/90 (2006.01) B01J 23/20 (2006.01) B01J 37/08 (2006.01) H01M 4/88 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2722188

Disclosed is a metal oxide electrode catalyst having high oxygen reduction ability, which is useful as an alternative material for a platinum catalyst. Specifically disclosed is a metal oxide electrode catalyst which is composed of a metal oxide (Y) obtained by heat treating a metal compound (X) in an oxygen-containing atmosphere. This metal oxide electrode catalyst is characterized in that the valence of the metal compound (X) is lower than the valence of the metal oxide (Y).

L'invention concerne un catalyseur d'électrode en oxyde de métal ayant une aptitude de réduction de l'oxygène élevée, lequel est utile en tant que matière de remplacement d'un catalyseur au platine. L'invention concerne précisément un catalyseur d'électrode en oxyde de métal lequel est composé d'un oxyde de métal (Y) obtenu par traitement thermique d'un composé métallique (X) dans une atmosphère contenant de l'oxygène. Ce catalyseur d'électrode en oxyde de métal est caractérisé en ce que la valence du composé métallique (X) est inférieure à la valence de l'oxyde de métal (Y).

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