Ion-conductive copolymers containing one or more...

Details Ion-conductive copolymers containing one or more... Ion-conductive copolymers containing one or more...

C - Chemistry, Metallurgy

08

G

C08G 65/40 (2006.01) C08G 75/23 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2559556

The invention provides ion-conductive copolymers that can be used to fabricate proton exchange membranes (PEM's), catalyst coated proton exchange membranes (CCM's) and membrane electrode assemblies (MEA's) which are useful in fuel cells and their application in electronic devices, power sources and vehicles. The ion-conductive copolymers comprise one or more ion-conductive oligomers randomly positioned in a polymeric backbone that is not ion-conductive.

L'invention concerne des copolymères conducteurs d'ions qui peuvent servir à fabriquer des membranes échangeuses de proton (PEM), des membranes échangeuses de proton à revêtement catalytique (CCM) et des ensembles d'électrodes à membranes (MEA) qui sont utiles dans les piles à combustible et leur application dans des dispositifs électroniques, des sources d'alimentation et des véhicules. Ces copolymères conducteurs d'ions comprennent un ou plusieurs oligomères conducteurs d'ions répartis de façon aléatoire dans un squelette polymère qui n'est pas conducteur d'ions.

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