Patent ID: 6828407
Filing Date: 2004-12-07
Classification: C08G,C08J,C08K,H01M,Y02E,Y02P

Abstract:
A polymer electrolyte composition comprising an aromatic polymer phosphonic acid derivative represented by the following formula (1); and at least one selected from the group consisting of a phosphoric acid derivative and a polymer electrolyte (wherein -Z- represents â€”SO2â€” or â€”COâ€”, x and y each represent 0.01-0.99 provided that the sum of x and y is 1, â€”Arâ€” represents a divalent aromatic group of 4-18 carbon atoms which may contain a hetero atom and may contain one or more substituents, n represents the average number of substituents per unit structure of polymeric moiety containing the aromatic group and is a positive number of 8 or less, and R and Râ€² each independently represent a hydrogen atom or an alkyl group).