Proton-conducting membrane and use thereof

Details Proton-conducting membrane and use thereof Proton-conducting membrane and use thereof

H - Electricity

01

M

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

Patent

CA 2723283

Proton-conducting polymer membrane comprising at least one polyazole, at least one ionic liquid and at least one compound of the formula (P1) R I4POH (P1) where each R I independently of any other is a radical which comprises C, O and/or H and also, if desired, further, different atoms, it being possible if desired for two radicals R I to be connected to one another. The membrane is distinguished in particular by high mechanical stability and high conductivity, and is therefore especially suitable as a polymer electrolyte membrane for fuel cell applications.

L'invention concerne une membrane conductrice de protons, comportant au moins un polyazol, au moins un liquide ionique ainsi qu'au moins une combinaison de la formule (P1) RI 4POH (P1), où RI est indépendamment et respectivement un radical qui comporte des atomes C, O et/ou H ainsi que, le cas échéant, d'autres atomes différents de ceux-ci, deux radicaux RI pouvant être le cas échéant combinés entre eux. La membrane est caractérisée en particulier par une grande stabilité mécanique ainsi qu'une grande conductibilité et elle est ainsi particulièrement adaptée pour être utilisée en tant que membrane électrolyte polymère pour des applications avec des piles à combustible.

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