Patent ID: 6296783
Filing Date: 2001-10-02
Classification: H01B,H01G,H01M,Y02E

Abstract:
A polymeric gel electrolyte comprising:(a) an acrylic ester polymer matrix containing structural units derived from at least one acrylic ester selected from among acrylic esters represented by the general formulae: ##STR21##wherein R.sup.1 , R.sup.2 and R.sup.2' are identical with or different from each other and represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.3 represents an alkyl group having 1 to 4 carbon atoms, and n is an integer of 1 to 100, and ##STR22##wherein R.sup.4 to R.sup.9 are identical with or different from each other and represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and p, q and r are identical with or different from each other and are an integer of 1 to 100;(b) a nonaqueous solvent including at least a cyclic carbonic ester; and(c) a salt of a metal of Group Ia of the periodic table.