Continuous production of catalyst coated membranes

Details Continuous production of catalyst coated membranes Continuous production of catalyst coated membranes

H - Electricity

01

M

H01M 8/10 (2006.01) C25B 9/10 (2006.01)

Patent

CA 2462566

A process for the production of catalyst coated membranes, especially catalyst coated membranes for use in fuel cells, that includes applying followed by drying of an electrocatalyst coating composition (21), a polymeric disopersion (22) and a second electrocatalyst coating (23) composition onto the surface of a temporary substrate (2), followed by separation of the temporary substrate.

L'invention concerne un procédé permettant de produire des membranes recouvertes d'un catalyseur, notamment des membranes recouvertes d'un catalyseur, utilisées dans des piles à combustible. Ledit procédé comprend l'application, puis le séchage d'une composition de revêtement électrocatalytique, d'une dispersion polymère et d'une seconde composition de revêtement électrocatalytique sur la surface d'un substrat temporaire. Il est ensuite prévu de les séparer dudit substrat temporaire.

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