Polymer electrolyte and method for producing the same

Details Polymer electrolyte and method for producing the same Polymer electrolyte and method for producing the same

C - Chemistry, Metallurgy

08

G

C08G 81/00 (2006.01) C08F 8/36 (2006.01) C08G 65/24 (2006.01) C08G 65/48 (2006.01) C08G 75/23 (2006.01) C08J 5/22 (2006.01) H01B 1/12 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2328797

Provided is a polymer electrolyte containing a block copolymer comprising one or more blocks having sulfonic acid groups and one or more blocks having substantially no sulfonic acid group, and at least one block among all blocks is a block having aromatic rings in the main chain thereof, and a method for producing the same. The polymer electrolyte is suitable for a proton conductive film of a fuel cell due to excellent water resistance and heat resistance, and high proton conductivity.

On présente un électrolyte polymérique contenant un copolymère séquencé comprenant un ou plusieurs blocs ayant des groupes d'acide sulfonique et un ou plusieurs blocs n'ayant sensiblement aucun groupe d'acide sulfonique, et dont au moins un bloc parmi tous les blocs est un bloc ayant des anneaux aromatiques dans sa chaîne principale, ainsi qu'une méthode de fabrication connexe. L'électrolyte polymérique est adapté à un film conducteur protonique d'une pile à combustible en raison d'une excellente résistance à l'eau, d'une excellente résistance thermique et d'une conductivité protonique élevée.

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