Patent ID: 9196926
Filing Date: 2015-11-24
Classification: H01M,Y02E

Abstract:
1. A gel electrolyte for a lithium ion secondary battery, comprising: a lithium salt; a copolymer of at least one first monomer selected from compounds represented by chemical formulae (1) and (2) and a second monomer represented by chemical formula (4); at least one oxo-acid ester derivative of phosphorus selected from compounds represented by chemical formulae (5) to (7); and at least one disulfonate ester selected from a cyclic-chain-type disulfonate ester represented by chemical formula (8) and a linear-chain-type disulfonate ester represented by chemical formula (9): wherein in formula (1), R wherein in formula (3), R wherein in formula (4), R wherein in formula (5), R wherein in formula (6), R wherein in formula (7), R wherein in formula (8), Q represents an oxygen atom, a methylene group or a single bond; A wherein in formula (9), R