TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The alkoxy alkyl nitrile is CnH2n+1OCmH2mCN (preferably methoxyacetonitrile, methoxypropionitrile, methoxy butyronitrile, ethoxy acetonitrile, ethoxy propionitrile and/or ethoxy butyronitrile). The oxydi alkyl nitrile is compound of formula CN-(CH2)n-O-(CH2)m-CN (preferably bis(cyanomethyl)ether, bis(cyanoethyl)ether, bis(cyanopropyl)ether, bis(cyanobutyl)ether, bis(cyanopentyl) ether, bis(cyanohexyl)ether, cyanomethyl 2-cyanoethyl ether, cyanomethyl 3-cyanopropyl ether, cyanomethyl 4-cyanobutyl ether, cyanomethyl 5-cyanopentyl ether, cyanomethyl 6-cyanohexyl ether, cyanoethyl 3-cyanopropyl ether, cyanoethyl 4-cyanobutyl ether, cyanoethyl 5-cyanopentyl ether, cyanoethyl 6-cyanohexyl ether, cyanopropyl 4-cyanobutyl ether, cyanopropyl 5-cyanopentyl ether, cyanopropyl 6-cyanohexyl ether, cyanobutyl 5-cyanopentyl ether, cyanobutyl 6-cyanohexyl ether and/or cyanopentyl 6-cyanohexyl ether). The content of the alkoxy alkyl nitrile or the oxydi alkyl nitrile is 50-900 parts by weight as compared to 100 parts by weight of amide compound. The monomer is the vinyl monomer (preferably acrylonitrile, methylmethacrylate, methyl acrylate, methacrylonitrile, methylstyrene, vinyl ester group, polyvinyl chloride, vinylidene chloride, acrylamide, tetrafluoroethylene, vinyl acetate, polyvinyl chloride, methylvinyl ketone, ethylene, styrene, and/or para cyanostyrene).n and m=1-6.    TECHNOLOGY FOCUS - POLYMERS - Preferred Electrolyte: In the electrolyte, the mole ratio of the amide compound and lithium salt is 1-8:1. The electrolyte is the polymer electrolyte. The polymer electrolyte is gel-like polymer electrolyte which is formed by the polymerization of the precursor solution containing the monomer. The polymer electrolyte is dipped into the polymer selected from polymethyl methacrylate, polyvinylidene difluoride, polyvinylchloride, polyethylene oxide and/or poly hydroxyethylmethacrylate. SPECIFIC COMPOUNDS - 29 Compounds are specified as amide compound e.g. N-methoxy-N-methyl 2-fluoroethyl carbamate of formula (Ia), N-methoxy-N-methyl pentafluoropropyl carbamate, N-methoxy-N-methyl 2-(perfluorohexyl) ethyl carbamate, N-methoxy-N-methyl 6-(perfluorobutyl) hexylcarbamate, and N-methoxyethyl trifluoroethyl carbamate.    EXAMPLE - No suitable example given.