Patent ID: 6395429
Filing Date: 2002-05-28
Classification: H01B,H01M,Y02E

Abstract:
A solid polymer electrolyte comprising:(a) a crosslinking agent comprising a compound represented by formula (I): whereinA is oxygen, COO, alkyl of C1-4, or a single bond, R is a 6-membered aliphatic, aromatic or heterocyclic group, Ra, Rb and Rc independently are a linear or branched alkyl group of C1-10, Rd, Re and Rf independently are H or a methyl group, and p, q and r independently are an integer of 1 from 20; (b) a poly(alkylene glycol) alkyl ether alkyl (meth)acrylate of formula (II) â€ƒwherein R1 and R2 independently are a linear or branched aliphatic or aromatic group of C1-10, R3, X, Y, Z independently are H or a methyl group, and p, q and r independently are an integer from 1 to 20; (c ) a lithium salt; and (d) a curing initiator.