Fully catalyzed membrane assembly with attached border

Details Fully catalyzed membrane assembly with attached border Fully catalyzed membrane assembly with attached border

H - Electricity

01

M

H01M 8/10 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2668458

A catalyst coated membrane assembly comprising a solid polymer electrolyte membrane, an electrode that covers substantially one entire face of said solid polymer electrolyte membrane, and a structural film layer attached to at least two opposing outer regions of said electrode such that it partially overlaps the open face of said electrode. The use of structural film layer allows for high volume, high yield manufacturing of assemblies, leading to reduced assembly cost.

L'invention concerne un ensemble de membrane revêtu par catalyse, comprenant une membrane à électrolyte polymère solide, une électrode qui recouvre sensiblement une face entière de ladite membrane d'électrolyte polymère solide, et une couche de film structurale fixée à au moins deux régions externes opposées de ladite électrode, de telle sorte qu'elle chevauche partiellement la face ouverte de ladite électrode. L'utilisation de la couche de film structurale permet une fabrication de volumes élevés, à rendement élevé, d'ensembles, conduisant à un coût d'assemblage réduit.

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