TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The lithium salt is anion consisting of fluorine, chlorine, bromine, iodine, nitrate ion, dicyanamide, boron tetrafluoride, chlorate, phosphate ion, di(trifluromethyl)tetrafluorophosphate, tris(trifluoromethyl)trifluorophosphate, tetra(trifluoromethyl)difluorophosphate, penta(trifluoromethyl)fluorphosphate, hexatrifluoromethylphosphate anions, trifluoromethanesulfonate, trifluoromethanesulfonic anhydride, tris(trifluoromethylsulfonyl)methide, perfluorooctanesulfonate, acetate, thiocyanate, and bis(perfluoroethylsulfonyl) imide.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The amide compound consists of N-methyl-N-methoxyethyl carbamate, N-methoxy-N-methyl 2,2,2-trifluoroethyl carbamate, N-methoxy-N-methyl 2-fluoroethyl carbamate, N-methoxy-N-methyl pentafluoropropyl carbamate, N-methoxy-N-methyl-2-(perfluorohexyl) ethyl carbamate, N-methoxy-N-methyl-6-(perfluorobutyl) hexylcarbamate and N-methoxyoxazolidinone. The mole ratio of lithium salt and amide compound is 18:1. The carbonate compound is chain carbonate group compound, and cyclic carbonate compound. The carbonate compound consists of polypropylene carbonate, ethylene carbonate, diethyl carbonate, dimethyl carbonate, dipropyl carbonate, 1,2-butylene carbonate, 2,3-butylene carbonate, methylpropyl carbonate, ethylpropyl carbonate, dimethyl sulfoxide, acetonitrile, dimethoxyethane, diethoxyethane, tetrahydrofuran, N-methypyrrolidone, ethyl methyl carbonate and gamma-butyrolactone. The carbonate compound is present in an amount of 5-200 pts. wt., preferably 5-100 pts. wt. (III) consists of diethylene glycol trifluoromethyl methyl ether, fluorine dimethoxyethane, trifluoro dimethoxyethane, fluorine bis (2-methoxyethyl) ether, trifluoro-bis (2-methoxyethyl) ether, fluorine triethylene glycol dimethyl ether, trifluoro-triethylene glycol dimethyl ether, fluorine bis (2-(2-methoxy ethoxy) ethyl) ether and trifluoro bis(2-ethyl) ether. The amount of (III) is 0.5-30 pts. wt. The electrolyte has viscosity of less than or equal to 50 centipose, preferably 4-30 centipose, an ion conductivity of 3-10 mS/cm. The vinyl monomer is acrylonitrile, methylmethacrylate, methyl acrylate, methacrylonitrile, methylstyrene, vinyl ester, polyvinyl chloride, vinylidene chloride, acrylamide, tetrafluoroethylene, vinyl acetate, polyvinyl chloride, methylvinyl ketone, ethylene, styrene, para methoxy styrene and para cyanostyrene. The electrolyte is made of gel-like polymer electrolyte formed by polymerizing precursor solution containing the electrolyte and monomer that is vinyl monomer, and injecting and dipping the electrolyte into gel-like polymer. The gel-like polymer is polymetal methacrylate, polyvinylidene difluoride, polyvinylchloride, polyethylene oxide and/or polyhydroxyethylmethacrylate. EXAMPLE - No suitable example given.