Polymer electrolyte and process for producing the same

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

C - Chemistry, Metallurgy

08

F

C08F 122/40 (2006.01) C07C 311/48 (2006.01) C08J 5/20 (2006.01) C08J 5/22 (2006.01) H01B 1/12 (2006.01) H01M 8/10 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2379277

A polymer electrolyte having, in a main chain, a structural unit represented by the following formula (1): -[Ar1-(SO2-N-(X+)-SO2-Ar2)m-SO2-N-(X+)-SO2-Ar1-O]- (1) wherein Ar1 and Ar2 independently represent a divalent aromatic groups, m represents an integer of 0 to 3, and X+ represents an ion selected from hydrogen ion, an alkali metal ion and ammonium ion, which is excellent in proton conductivity, thermal resistance and strength. The polymer electrolyte is soluble in solvents and has excellent film forming property and recycling efficiency.

L'invention concerne un électrolyte polymère ayant, dans une chaîne principale, une unité structurale représentée par la formule suivante (1) : -¬Ar1-(SO2-N-(X+)-SO2-Ar2)m-SO2-N-(X+)-SO2-Ar1-O|- (1), dans laquelle Ar1 et Ar2 représentent indépendamment des groupes aromatiques divalents, m représente un entier intégral de 0 à 3, et X+ représente un ion choisi parmi un ion d'hydrogène, un ion métallique alkali et un ion d'ammonium, qui présente une excellente conductivité de protons, résistance thermique et force. L'électrolyte polymère est soluble dans les solvants et présente une excellente propriété filmogène et une efficacité en matière de recyclage.

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