TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The electrolyte further includes lithium salt. The lithium salt is chosen from 18 compounds e.g. lithium chloride, lithium bromide, lithium iodide, chloroborane lithium and lithium tetraphenyl borate. The electrolyte layer further includes lithium salt. The outside current collector contains stainless steel surface-treated with carbon, aluminum, nickel, titanium, copper, nickel and titanium or silver, stainless steel, and aluminum-cadmium alloy. The thickness of outside current collector is 1-500 mu m. The inner electrode active material layer comprises natural graphite, artificial graphite, carbonaceous material, lithium-containing composite titanium oxide, metallic (Me) alloy or metallic oxide (MeOx), where Me is silicon, tin, lithium, zinc, magnesium, cadmium, cerium, nickel or iron. The outer electrode active material layer comprises lithium cobalt oxide, lithium nickelate, Lithium manganate, lithium cobalt phosphate, lithium iron phosphate, Lithium-Nickel-Manganese-Cobalt-Oxide and litnium-nickel-cobalt oxide of formula: LiNi1-x-y-zCoxM1yM2zO2 (I), where M1 and M2 are aluminum, nickel, cobalt, iron, manganese, vanadium, chromium, titanium, tungsten, tantalum, magnesium, and molybdenum, x,y and z are 0-0.5 (excluding 0.5), and x+y+z is 1 or less.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The electrolyte includes gel-type polymer electrolyte using polyethylene oxide, polyvinylidene difluoride, polymethyl methacrylate, peroxyacyl nitrate or polyvinyl acetate, nonaqueous liquid electrolyte using ethylene carbonate, polypropylene carbonate, butylene carbonate, vinylenecarbonate, diethyl carbonate, dimethyl carbonate, ethyl methyl carbonate, methyl formate, ( gamma )-butyrolactone, sulfolane, methyl acetate or methyl propionate, and solid electrolyte using polyethylene oxide, polypropylene oxide, polyethylene imine, polyethylene sulfide or polyvinyl acetate. The inner portion current collector contains conductive polymer or nonconductive polymer which is surface-treated with conductive material, aluminum-cadmium alloy, stainless steel which is surface-treated with carbon, stainless steel, aluminum, nickel, titanium, copper, nickel and titanium or silver. The conductive material is mixture of polyacetylene, polyaniline, polypyrrole, polythiophene, polysulfur nitride, indium tin oxide, silver, palladium and/or nickel. The conductive polymer is polymer chosen from polyacetylene, polyaniline, polypyrrole, polythiophene and polysulfur nitride. The wireless chargeable cable-type secondary battery has an electrolyte layer containing electrolyte chosen from gel-type polymer electrolyte using polyethylene oxide, polyvinylidene difluoride, polymethyl methacrylate, peroxyacyl nitrate or polyvinyl acetate, and solid electrolyte using polyethylene oxide, polypropylene oxide, polyethylene imine, polyethylene sulfide or polyvinyl acetate. The wireless chargeable cable-type secondary battery has a separator containing porous base material formed using mixture of binder polymer and inorganic particles, porous base material formed using polymer chosen from polyester, polyacetal, polyamide, polycarbonate, polyimide, polyether-ether-ketone, polyethersulfone, polyphenylene oxide, polyphenylene sulfate and polyethylenenaphthalete, or porous base material formed using ethylene homopolymer, propylene homopolymer, ethylene-butene copolymer, ethylene-hexene copolymer and polyolefine-based high polymer which is ethylene-methacrylate copolymer.