Proton-conducting membrane and the use thereof

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

C - Chemistry, Metallurgy

08

J

C08J 5/00 (2006.01) B01D 71/62 (2006.01) B01D 71/82 (2006.01) C08G 73/00 (2006.01) C08G 73/06 (2006.01) C08G 73/08 (2006.01) C08G 73/18 (2006.01) C08G 73/22 (2006.01) C08J 5/22 (2006.01) H01M 4/00 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2491239

The invention relates to a novel proton-conducting polymer membrane based on aromatic polyazoles which contain sulfonic acid groups that are covalently linked to the aromatic ring of the polymer and can be used in a variety of applications due to the excellent chemical and thermal properties thereof. Such materials are particularly suitable for producing polymer electrolyte membranes (PEM) of PEM fuel cells.

L'invention concerne une nouvelle membrane polymère conductrice de protons, à base de polyazoles aromatiques contenant des groupes d'acide sulfonique, liés de manière covalente au cycle aromatique du polymère, et pouvant être utilisés de multiples façons en raison de leurs propriétés chimiques et thermiques remarquables. De tels matériaux conviennent notamment pour la production de membranes électrolytes polymères (PEM) dans des piles à combustible à PEM.

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