26-04-2012 дата публикации
Номер: US20120100412A1
Принадлежит:
Provided is a cable-type secondary battery including an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, and a wire-type outer current collector wound on the outer surface of the electrode assembly, the electrode assembly including an inner current collector, an anode active material layer, and an electrolyte layer, and a cathode active material layer. 1. A cable-type secondary battery comprising:an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, and the electrode assembly including an inner current collector, an anode active material layer, and an electrolyte layer, and a cathode active material layer; anda wire-type outer current collector wound on the outer surface of the electrode assembly.2. The cable-type secondary battery according to claim 1 ,wherein the inner current collector is made from stainless steel, aluminum, nickel, titanium, sintered carbon, or copper; stainless steel surface-treated with carbon, nickel, titanium, or silver; aluminum-cadmium alloys; non-conductive polymer surface-treated with a conductive material; or conductive polymers.3. The cable-type secondary battery according to claim 1 ,wherein the outer current collector is made from stainless steel, aluminum, nickel, titanium, sintered carbon, or copper; stainless steel surface-treated with carbon, nickel, titanium, or silver; aluminum-cadmium alloys; non-conductive polymer surface-treated with a conductive material; or conductive polymers.4. The cable-type secondary battery according to claim 2 ,wherein the conductive material is any one selected from the group consisting of polyacetylene, polyaniline, polypyrrole, polythiophene, polysulfur nitride, indium thin oxide (ITO), silver, palladium, and nickel, or mixtures thereof.5. The cable-type secondary battery according to claim 2 ,wherein the conductive polymer is any one selected from the group consisting of ...
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