| 摘要 |
PROBLEM TO BE SOLVED: To provide a solid electrolyte that restrains ignition due to short- circuit in a battery by employing an electrolyte consisting of an ion conductive polymer containing a frame-retardant group for skeleton or nonion conductive polymer, an electrolytic salt, and an organic solvent. SOLUTION: A flame-retardant group is introduced by at least one kind of compound to be selected from formulas I and II. In formula I, R1 denotes aliphatic hydrocarbon containing halogen or aromatic hydrocarbon containing halogen, R'OR1 ; R2 denotes H, CH3 ; n denotes 1 to 3. In formula II, R2 denotes H, CH3 ; R3 denotes aliphatic or aromatic hydrocarbon; R4 denotes H, aliphatic or aromatic hydrocarbon; m denotes 1 to 3, and n denotes 1 to 20. In formula III, R2 denotes H, CH3 ; R3 denotes aliphatic or aromatic hydrocarbon, (R3 O)m -R5 ; n denotes 1 to 20. Skeleton of ion conductivity polymer is preferably deformed alkylene oxide and/or glycidyl ether or the like, and skeleton of non-ion conductivity polymer is vinylidene fluoride acrylonitrile, or methyl methacrylate. |
