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1. (WO2017154448) GEL ELECTROLYTE AND PREPARATION METHOD THEREOF

Pub. No.:    WO/2017/154448    International Application No.:    PCT/JP2017/004553
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Thu Feb 09 00:59:59 CET 2017
IPC: H01M 10/0565
C08K 5/00
C08L 27/16
Applicants: KUREHA CORPORATION
株式会社クレハ
Inventors: WATANABE, Keisuke
渡辺 圭介
Title: GEL ELECTROLYTE AND PREPARATION METHOD THEREOF
Abstract:
A gel electrolyte is provided which has a low matrix polymer concentration and which can maintain a gel state. This gel polymer contains a matrix polymer, and a nonaqueous electrolytic solution comprising a lithium-containing electrolyte dissolved in a non-aqueous solvent, wherein the matrix polymer is a copolymer including vinylidene fluoride units and fluorine atom-containing monomer units, and, for the concentration C (mass%) of the matrix polymer in the gel electrolyte, the crystallization temperature TC of the matrix polymer satisfies the equation TC ≧ 110 - C (I) (In expression (I), 0.1 ≦ C ≦ 30).