TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The lithium salt is selected from lithium hexafluorophosphate, lithium tetrafluoroborate, lithium hexafluoroarsenate, lithium perchlorate, lithium bis(oxalato)borate, lithium difluoro(oxalato)borate, lithium trifluoromethanesulfonate, lithium difluoromethanesulfonate, lithium bistrifluoromethylsulfonyl imide and lithium perfluoromethylsulfomethanide.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The concentration of the compound (I) is 0.1-10 mass%. Preferred Components: The additive is selected from vinylene carbonate, fluoro-ethylene carbonate, and ethylene carbonate. The non-aqueous organic solvent is selected from carbonate ester, carboxylic acid ester, ether compound and an aromatic compound. The carbonate ester comprises a cyclic carbonate and a chain carbonate at a mass ratio of 4:1-1:20. The cyclic carbonate is ethylene carbonate, propylene carbonate and butylene carbonate. The chain carbonate is dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, dipropyl carbonate, methyl propyl carbonate, methyl isopropyl carbonate, methyl butyl carbonate and butylene carbonate. The carboxylic acid ester comprises a non-substituted carboxylic acid ester and halogenated carboxylic acid ester. The non-substituted carboxylic acid ester is selected from methyl formate, ethyl formate, n-propyl formate, isopropyl acetate, methyl acetate, ethyl acetate, n-propyl acetate, isopropyl acetate, methyl propionate, ethyl propionate, methyl butyrate, ethyl butyrate, gamma -butyrolactone, gamma -valerolactone and caprolactone. The ether compound comprises ether and halogenated ether. The ether is selected from dibutyl ether, dimethoxymethane, dimethoxyethane, diethoxymethane, diethoxyethane, tetrahydrofuran or methyltetrahydrofuran. The halogenated compound is selected from mono-fluoro ether, dimethoxymethane, monofluoro dimethoxyethane, diethoxyethane monofluorophosphate, or single fluorine diethoxy ethane. The aromatic compound selected from toluene, fluorobenzene, o-fluorotoluene, benzotrifluoride, 4-fluoro-toluene, fluoromethoxy phenyl, o-fluoro-methoxy benzene, o-difluoro-methoxy benzene, 1-fluoro-4-tert-butylbenzene or fluorinated biphenyl. The halogenated carboxylic acid ester is selected from fluorinated esters, fluorine substituted thiocarboxylic acid ethyl ester, monofluoro ethyl acetate, monofluoro methyl acetate, difluoro methyl acetate, difluoro ethyl acetate, 3-fluoro-methyl carboxylic acid ester, 3,3-difluoro-methyl, 3,3,3-trifluoro-methyl, 3-fluoro-ethyl, 3,3-difluoro-ethyl, and 3,3,3-trifluoro-ethyl. The ketone compound (I) is (2,6-diamino-4-(trifluoromethyl)phenyl) methyl carbonate of formula (III)..