Tungsten-containing fuel cell catalyst and method of making...

Details Tungsten-containing fuel cell catalyst and method of making... Tungsten-containing fuel cell catalyst and method of making...

H - Electricity

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M

H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/90 (2006.01) H01M 4/96 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2421838

A tungsten-containing fuel cell catalyst having high electrochemical activity and its method of making are described. The tungsten-containing catalyst may be formed in situ in a fuel cell after the fuel cell is assembled. The catalyst is formed by a low temperature electrochemical activation of a tungsten-containing precursor which has been deposited on a carbon support.

L'invention concerne un catalyseur de piles à combustible à teneur en tungstène présentant une activité électrochimique élevée. L'invention concerne également le procédé permettant de fabriquer un tel catalyseur. Le catalyseur à teneur en tungstène peut être formé in situ dans une pile à combustible après l'assemblage de ladite pile à combustible. Le catalyseur est formé par activation électrochimique basse température d'un précurseur à teneur en tungstène déposé sur un support de carbone.

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