TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Composition: The electrochemical cell further comprises lithium ion source for lithium ion passivation between the negative and positive electrodes, and a separator which is miscible in the electrolyte material.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The negative electrode comprises an intercalation material having a lattice structure to accommodate guest ions or molecules. The intercalation material is carbonaceous materials with different degree of graphitization, lithiated metal oxide and/or chalcogenide. The positive electrode comprises an active material. The active material is transition metal oxide, metal phosphate, chalcogenide and/or carbonaceous material with different degree of graphitization.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The electrolyte material includes an electrolyte composition comprising aqueous or nonaqueous solvents, alkali, ammonium, phosphonium or other metal salts, and/or molecular or ionic additives. The additive is provided in predetermined amount to passivate the cathode surface and reduce decomposition occurring at voltage of more than 4.2 V, preferably 5 V with respect to lithium. The nonaqueous solvent or solvent mixture of electrolyte material comprises cyclic or acyclic carbonate and carboxylic ester chosen from ethylene carbonate, propylene carbonate, vinylene carbonate, dimethylcarbonate, diethyl carbonate, ethyl methyl carbonate, fluoroethylene carbonate, beta -butyrolactone, methyl butyrate and/or ethyl butyrate, cyclic or acyclic ether chosen from diethyl ether, dimethyl ethoxyglycol and/or tetrahydrofuran, cyclic or acyclic organic sulfone and sulfite chosen from tetramethylene sulfone, ethylene sulfite and/or ethyl methyl sulfone, and/or cyclic or acyclic nitrile chosen from acetonitrile, ethoxypropionitrile and/or its derivative. The compound (A) is of formulae (I)-(X), preferably aluminum tris((2Z)-5,5,5-trifluoro-4-oxopent-2-en-2-olate), aluminum tris((2Z)-4-oxopent-2-en-2-olate), tris((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)alumnae, tris(((1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propan-2-yl)oxy))alumnae, fluorobis((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)alumnae, 2,4,6-tris(2,2,2-trifluoroethoxy)-1,3,5,2,4,6-trioxatrialuminane, 6-fluoro-2,4,4-tris((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)-1,5,6-trimethyl-2-((1,1,1-trifluoropropan-2-yl)oxy)-5,6-dihydro-1H-1,3,5,2,4,6-triazadiphosphaluminin-3-ylium-6-uide, tetrakis(((1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propan-2-yl)oxy))silane, tris((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)bismuthane, bis(cyanooxy)bismuthanyl cyanate or 2,4,6-tris((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)-1,3,5,2,4,6-trioxatrialuminane. The concentration of additive is 0.1 ppm to 10% with respect to the total amount of solvent. The concentration of additive is 0.1-1% with respect to total volume of the electrolyte material. The salt or salt mixture of electrolyte material is lithium hexafluorophosphate, lithium hexafluoroarsenate, lithium tetrafluoroborate, lithium perfluoroalkylfluorophosphate of formula: LiP(CnF2n+1)xF6-x, lithium perfluoroalkylfluoroborate of formula: LiB(CnF2n+1)xF4-x, lithium bis(trifluoromethanesulfonyl)imide, lithium bis(perfluoroethanesulfonyl)imide, lithium bis(oxalato)borate and/or lithium (difluorooxalato)borate.R1-R8=H, hydroxy or halo, hydroxide salts with metal ions chosen from Li+, Na+, 1/2Mg2+ or 1/3Al3+, normal or branched optionally saturated 1-30C alkyl, normal or branched optionally saturated 1-30C halogenated alkyl whose halogenation degree varies from monohalogenation to perhalogenation, or partially halogenated or perhalogenated normal or branched 1-30C alkyl in which halogen substituent is chosen from F, Cl, Br and I;n=0-10;andx=0-6.Preferred Property: The electrolyte material has solubility of 1 ppm or more in a nonaqueous electrolyte solvent.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The separator is porous polyolefin separator or gellable polymer film. The separator is miscible with non-aqueous electrolytes with solubility of 1 ppm or more.