TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Components: The electrolyte additive is a narrow polydispersity polymer. The negative electrode comprises a negative electrode active substance, which is mesophase carbon microbeads, vapor grown carbon fiber, carbon nanotubes, coke, carbon black, graphite, acetylene black, carbon fiber, glassy carbon and/or lithium alloy. The negative electrode further comprises a negative electrode binder, which comprises polyvinylidene fluoride, Teflon (RTM: Polytetrafluoroethylene), styrene-butadiene rubber, polyamide resin, melamine resin, and carboxymethyl cellulose binder. The positive electrode comprises an electrode active substance, which is lithiated oxide, lithiated sulfide, lithiated selenide, and lithiated telluride of vanadium, titanium, chromium, copper, molybdenum, niobium, iron, nickel, cobalt and/or manganese. The positive electrode further comprises: a positive electrode binder, which comprises polyvinylidene fluoride, Teflon (RTM: Polytetrafluoroethylene), styrene-butadiene rubber, polyamide resin, melamine resin, and carboxymethyl cellulose binder; and a conductive additive, which is acetylene black, carbon black, graphite, nickel powder, aluminum powder, titanium powder and/or stainless steel powder.R1 = H, alkyl, alkenyl, phenyl, dimethylamino, or -NH2;R2-R5 = H, alkyl, alkenyl, halo, or -NH2;n = 0-4;R6 = phenylene or biphenylene ( both optionally substituted), -RCH2R1a-, -RNH2R-, -C(O)CH2-, -R1a-O-R2a-O-R1a-, -CH2OCH2-, -C(O)-, -O-, -O-O-, -S-, -S-S-, -S(O)-, -CH2S(O)CH2-, -(O)S(O)-, C6H5-, -CH2(C6H5)CH2- or -CH2(C6H5)(O)-;R = H or 1-4C alkyl;R1a, R2a = 1-4C alkyl;R7 = -RCH2-, -C(O)-, -C(CH3)2-, -O-, -O-O-, -S-, -S-S-, -(O)S(O)-, or -S(O)-; andR8 = H, 1-4C alkyl, phenyl, benzyl, cyclohexyl, or N-methoxy carbonyl.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The lithium salt comprises lithium hexafluorophosphate, lithium perchlorate, lithium tetrafluoroborate, lithium trifluoromethane sulfonate, lithium bis(trifluoromethanesulfonyl)imide, lithium bis (perfluoroethylsulfonyl) imide, lithium hexafluoroarsenate, lithium hexafluroantimonate, lithium tetrachloroaluminate, lithium chlorogallate, lithium nitrate, lithium tris (trifluoromethanesulfonyl) methane, lithium thiocyanate, lithium pentafluoroethanesulfonate, lithium pentafluorobenzensulfonate, lithium trifluoroacetate, lithium fluorosulfonate, lithium tetraphenylborate, and/or litium-bis (oxalate)borate. The lithium salt is present at 0.5-1.5 mol/l (M).    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The compound (B1) is any one of heterocyclic amino aromatic derivatives of formulae (I)-(IX), preferably imidazole or its derivative, pyrrole or its derivative, pyridine, 4-tertbutylpyridine, 3-butylpyridine, 4-dimethylaminopyridine, 2,4,6-triamino-1,3,5,-triazine, 2,4-dimethyl-2-imidazoline, pyridazine, pyrimidine, or pyrazine. The compound (A1) comprises a maleimide of formulae (X)-(XIII), poly(ethylene glycol)dimethacrylate, bis((4-((vinyloxy)methyl)cyclohexyl)methyl)isophthalate), or triallyl trimellitate. The maleimide comprises 4,4'-diphenylmethane bismaleimide, an oligomer of phenylmethane maleimide, m-phenylene bismaleimide, 2,2,-bis(4-(4-maleimidophenoxy)phenyl)propane, 3,3'-dimethyl-5,5,-diethyl-4,4,-diphenylmethane bismaleimide, 4-methyl-1,3-phenylene maleimide, 1,6'-bismaleimide-(2,2,4-trimethyl)hexane, 4,4'-diphenylether bismaleimide, 4,4'-diphenylsulfone bismaleimide, 1,3-bis(3-maleimidophenoxy)benzene, or 1,3-bis(4-maleimidophenoxy)benzene. The molar ratio of (A1) to (B1) is 1:1-5:1. The electrolyte additive is present at 0.01-5 wt.%. The electrolyte additive forms a protective film on a positive electrode surface at 4.5-5 V. The organic solvent comprises ethylene carbonate, propenyl carbonate, butylene carbonate, dipropyl carbonate, acid anhydrides, N-methylpyrrolidone, N-methyl acetamide, N-methyl formamide, dimethyl formamide, gamma -butyrolactone, acetonitrile, dimethyl sulfoxide, dimethyl sulfite, 1,2-diethoxy ethane, 1,2-dimethoxyethane, 1,2-dibutoxyethane, tetrahydrofuran, 2-methyl tetrahydrofuran, propylene oxide, sulfites, sulfates, phosphonates or their derivatives. The organic solvent comprises a carbonate, an ester, an ether and/or a ketone. The ester is methyl acetate, ethyl acetate, methyl butyrate, ethyl butyrate, methyl propionate, ethyl propionate, or propyl acetate. The carbonate comprises ethylene carbonate, propylene carbonate, diethyl carbonate, ethyl methyl carbonate, dimethyl carbonate, vinylene carbonate, butylene carbonate and/or dipropyl carbonate. EXAMPLE - No suitable example given.