Catalyst layer, membrane electrode assembly and fuel cell

Details Catalyst layer, membrane electrode assembly and fuel cell Catalyst layer, membrane electrode assembly and fuel cell

B - Operations, Transporting

01

J

B01J 21/06 (2006.01) B01J 23/20 (2006.01) H01M 4/88 (2006.01) H01M 4/90 (2006.01)

Patent

CA 2721136

Disclosed is a catalyst layer using an electrode catalyst having high oxygen reducing ability, which is useful as a substitute for a platinum catalyst. Also disclosed is a use of such a catalyst layer. Specifically disclosed is a catalyst layer comprising an electrode base and an electrode catalyst formed on the surface of the electrode base and composed of a metal compound which is obtained by hydrolyzing a metal salt or a metal complex.

L'invention porte sur une couche de catalyseur utilisant un catalyseur d'électrode ayant une forte capacité de réduction de l'oxygène, qui est utile comme substitut pour un catalyseur au platine. L'invention porte également sur une utilisation d'une telle couche de catalyseur. De façon précise, l'invention porte sur une couche de catalyseur comprenant une base d'électrode et un catalyseur d'électrode formé sur la surface de la base d'électrode et composé d'un composé métallique qui est obtenu par hydrolyse d'un sel métallique ou d'un complexe métallique.

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