Membrane electrode assembly

H - Electricity – 01 – M

Patent

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Details

H01M 8/10 (2006.01) C08J 5/22 (2006.01) G01N 27/31 (2006.01) H01M 4/88 (2006.01) C25B 9/10 (2006.01)

Patent

CA 2304141

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 se rapporte à 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 imcomplet avec la membrane conductrice d'ions. Cette invention se rapporte également à des procédés de fabrication d'un tel ensemble électrode à membrane. Cette ensemble électrode à membrane 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 similaires.

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