Patent ID: 6727024
Filing Date: 2004-04-27
Classification: C08J,C08L,G03F,H01B,H01M,Y02E,Y02T

Abstract:
A polyalkylene oxide solid polymer electrolyte composition comprising:(a) 3-30% by wt of a lithium salt; (b) 0.1-80% by wt of a cross-linking agent having the following formula (I); (c) 0.1-70% by wt of polyalkyleneglycol alkylether alkyl(metha)acrylate having the following formula (II); (d) 0.1-80% by wt of a single compound or a mixture of at least two compounds which are polyalkyleneglycol dialkylethers having the following formula (III), or a nonaqueous polar solvent; and e) 0.5-5% by wt of a curable initiator; wherein X represents R represents a linear or branched alkyl group of C1-C10;R1, R2, R3, R4, R5, R6 and R7 each independently represent a hydrogen atom or a methyl group; R8, represents a linear or branched alkyl group of C1-C10; j is 2; and p, q and r each independently represent an integer of 0-20.