Microwave annealing of membranes for use in fuel cell...

Details Microwave annealing of membranes for use in fuel cell... Microwave annealing of membranes for use in fuel cell...

H - Electricity

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B

H01B 13/00 (2006.01) H01B 1/06 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2592510

Methods of manufacturing a film involve providing a coating of an ion- containing polymer or ion-containing polymer precursor and annealing the coating to form a film using microwave radiation. Methods of manufacturing an ion-containing membrane for use in a membrane electrode assembly of a fuel cell involve coating a solution of an ion-containing polymer or ion-containing polymer precursor to form a cast membrane of the membrane electrode assembly, and annealing the cast membrane using microwave radiation. The cast membrane may comprise a PEM, for example, which may be incorporated in a fuel cell assembly.

L'invention concerne des procédés de fabrication de film consistant à revêtir un polymère qui contient des ions ou un précurseur polymère qui contient des ions et à assurer le recuit hyperfréquences du revêtement réalisé pour former un film. On décrit des procédés de fabrication de membrane qui contient des ions pour ensemble électrode à membrane de pile à combustible, consistant à réaliser un revêtement de solution de polymère ou de précurseur polymère contenant des ions, afin de former une membrane coulée de cet ensemble électrode à membrane, et consistant ensuite à effectuer un recuit hyperfréquences sur cette membrane coulée, laquelle peut comporter une membrane échangeuse de protons, par exemple, aux fins d'incorporation à un ensemble pile à combustible.

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