Microtextured catalyst transfer substrate

Details Microtextured catalyst transfer substrate Microtextured catalyst transfer substrate

H - Electricity

01

M

H01M 8/10 (2006.01) H01M 4/88 (2006.01)

Patent

CA 2379919

A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This invention also provides methods to make the membrane electrode assembly of the invention. The membrane electrode assembly of this invention is suitable for use in electrochemical devices, including proton exchange membrane fuel cells, electrolyzers, chlor-alkali separation membranes, and the like.

Cette invention concerne un ensemble électrode à membrane, qui comprend une membrane conductrice d'ions et une ou plusieurs couches électrodes qui contiennent des éléments nanostructurés, lesquels se trouvent en contact incomplet avec la membrane conductrice d'ions. L'invention se rapporte également à des procédés de fabrication dudit ensemble électrode à membrane. Celui-ci est conçu pour être utilisé dans des dispositifs électrochimiques, y compris des piles à combustible à membrane d'échange de protons, des électrolyseurs, des membranes de séparation chlore-alcali, et analogues.

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