TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The lithium salt is lithium hexafluorophosphate, lithium tetrafluoroborate, lithium hexafluoroarsenate, lithium hexafluoroantimonate, lithium perchlorate, lithium tetrachloroaluminate, lithium tetrachlorogallate, lithium tris-(trifluoromethanesulfonyl)-methide, lithium nitrate, lithium bis(trifluoromethanesulfonyl)imide, lithium thiocyanate, lithium pentafluoroethanesulfonate, lithium pentafluorobenzensulfonate, lithium trifluoroacetate, lithium triflate, and/or lithium trifluoromethanesulfonate. The anode active material contains carbonaceous material chosen from coke, graphite, acetylene black, carbon black, glassy carbon, carbon nanotubes and meso-carbon microbeads. The cathode active material is lithium nickelate, lithium manganese oxide, lithium cobalt oxide, lithium-copper-tin oxide (LiCu0.92Sn0.08O2), lithium cobalt nickel oxide, and/or lithium-metal phosphate of formula: LiMPO4, where M is metal chosen from group 3 element to group 13 element.    TECHNOLOGY FOCUS - METALLURGY - Preferred Composition: The negative electrode comprises current collector chosen from copper, stainless steel, titanium, tantalum, platinum, gold, aluminum, nickel, cobalt nickel alloy, and highly-alloyed ferritic stainless steel containing molybdenum and chromium.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The electrolyte further contains additive chosen from vinylene carbonate, fluorinated ethylene carbonate, biphenyl, substituted biphenyl and cyclohexyl benzene. The electrolyte does not include biphenyl compound.    TECHNOLOGY FOCUS - POLYMERS - Preferred Property: The molecular weight of poly(2-vinylpyridine-co-styrene) is 5000. Preferred Composition: The binder is polytetrafluoroethylene, polyvinylidene fluoride, polyethylenetetrafluoroethylene, polyamide and/or polyimide.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The negative electrode comprises 90-97 wt.% graphite and 3-10 wt.% fluororesin binder. The positive electrode comprises 90-97 wt.% lithium cobalt oxide, 1-10 wt.% conductive additive and 3-10 wt.% fluororesin binder.