Membrane electrode assembly and method of manufacturing same

H - Electricity – 01 – M

Patent

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Details

H01M 2/00 (2006.01) H01M 2/08 (2006.01) H01M 2/14 (2006.01) H01M 4/88 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2625903

Disclosed herein is a membrane electrode assembly with a superior power generating efficiency and a method of manufacturing the same. Also disclosed is a manufacturing apparatus thereof wherein a gasket with an optimum thickness can be easily applied to the membrane electrode assembly without preparing various types of gaskets. A method of manufacturing the membrane electrode assembly with catalytic layers and gas diffusion layers on surfaces of the electrolyte membrane comprises controlling a molding thickness according to thicknesses of the catalytic layers and the gas diffusion layers and integrally molding the gasket portions formed with resin materials on at least one surface of the electrolyte membrane.

La présente invention concerne un jeu d'électrodes membranaires muni d'une efficacité de génération de puissance supérieure et sa méthode de fabrication. L'invention concerne aussi un appareil de fabrication s'y rapportant où un joint d'étanchéité doté d'une épaisseur optimale peut facilement s'appliquer au jeu d'électrodes membranaires sans la préparation de divers types de joint d'étanchéité. Une méthode de fabrication du jeu d'électrodes membranaires avec des couches catalytiques et des couches de diffusion gazeuse sur les surfaces des membranes électrolytiques comprend la commande d'une épaisseur de moulage selon l'épaisseur des couches catalytiques et des couches de diffusion gazeuse et le moulage intégral des parties du joint d'étanchéité formées avec des matériaux résineux sur au moins une surface de la membrane électrolytique.

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