Cable-type secondary battery having metal-coated polymer current collector

A cable-type secondary battery comprising:

• a plurality of inner electrodes as anodes, each inner electrode comprising a current collector and an anode active material layer formed on the current collector, the current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and including a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• an electrolyte layer as an ionic path, the inner electrodes embedded in the electrolyte layer;
• an outer electrode as a cathode surrounding the outer surface of the electrolyte layer and comprising a pipe-like current collector having a horizontal cross section of a predetermined shape and a cathode active material layer formed on the current collector;
• and
• a protective cover disposed on the periphery of the outer electrode.

A cable-type secondary battery comprising:

• two or more inner electrodes as anodes, each inner electrode comprising a current collector and an anode active material layer formed on the current collector, the current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and including a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• an electrolyte layer as an ionic path, the inner electrodes embedded in the electrolyte layer;
• an outer electrode as a cathode surrounding the outer surface of the electrolyte layer and comprising a pipe-like current collector and a cathode active material layer formed on the current collector;
• and
• a protective cover disposed on the periphery of the outer electrode.

A cable-type secondary battery comprising:

• two or more inner electrodes as anodes arranged in parallel, each inner electrode comprising a current collector and an anode active material layer formed on the current collector and having an electrolyte layer thereon serving as an ion channel, the current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• an outer electrode as a cathode comprising a pipe-like current collector and a cathode active material layer, the inner electrodes embedded in the cathode active material layer;
• and
• a protective cover disposed on the periphery of the outer electrode.

A cable-type secondary battery comprising:

• two or more inner electrodes as cathodes arranged in parallel, each inner electrode comprising a current collector and a cathode active material layer formed on the current collector and having an electrolyte layer thereon serving as an ion channel, the current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• an outer electrode as an anode comprising a pipe-like current collector and an anode active material layer, the inner electrodes embedded in the anode active material layer;
• and
• a protective cover disposed on the periphery of the outer electrode.

A cable-type secondary battery comprising:

• one or more anodes, each anode comprising an anode a current collector and an anode active material layer formed on the anode current collector, the anode current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer, a first electrolyte layer as an ionic path being formed on the outer surface of the anode active material layer;
• one or more cathodes, each cathode comprising a cathode current collector and a cathode active material layer formed on the cathode current collector, the cathode current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• a second electrolyte layer as an ionic path allowing the anodes and the cathodes to be arranged in parallel, the anodes and the cathodes embedded in the second electrolyte layer;
• and
• a protective cover disposed on the periphery of the second electrolyte layer.

A cable-type secondary battery comprising:

• one or more cathodes, each cathode comprising a cathode current collector and a cathode active material layer formed on the cathode current collector, the cathode current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer, a first electrolyte layer as an ionic path being formed on the outer surface of the cathode active material layer;
• one or more anodes, each anode comprising an anode current collector and an anode active material layer formed on the anode current collector, the anode current collector having a horizontal cross section of a predetermined shape, extending in lengthwise direction and comprising a non-conductive polymer and a metal coating layer formed on the surface of the non-conductive polymer;
• a second electrolyte layer as an ionic path allowing the anodes and the cathodes to be arranged in parallel, the anodes and the cathodes embedded in the second electrolyte layer;
• and
• a protective cover disposed on the periphery of the second electrolyte layer.