A cable-type secondary battery comprising: an inner electrode comprising at least two anodes arranged in parallel, the anodes extending longitudinally and having a horizontal cross section of a predetermined shape wherein the at least two anodes are separated from each other; an electrolyte layer surrounding the inner electrode and serving as an ion channel; an outer electrode comprising a tubular cathode having a horizontal cross section of a predetermined shape and surrounding the electrolyte layer; and a protection coating surrounding the outer electrode, wherein each anode includes a current collector and an anode active material layer formed on the outer surface of the current collector, and the cathode includes a current collector and a cathode active material layer formed on the inside surface of the current collector, wherein the anode active material layer is formed from an active material including an active material particle of any one selected from the group consisting of carbonaceous materials; lithium-containing titanium composite oxides (LTOs); metals (Me) including Si, Sn, Li, Zn, Mg, Cd, Ce, Ni, and Fe; alloys of the metals (Me); oxides (MeOx) of the metals (Me); and composites of the metals (Me) and carbon, or mixtures thereof. wherein the cathode active material layer is formed from an active material including an active material particle of any one selected from the group consisting of LiCoO 2, LiNiO 2, LiMn 2 O 4, LiCoPO 4, LiFePO 4, LiNiMnCoO 2, and LiNi 1-x-y-z Co x M1 y M2 z O 2 wherein M1 and M2 are each independently any one selected from the group consisting of Al, Ni, Co, Fe, Mn, V, Cr, Ti, W, Ta, Mg, and Mo, and x, y, and z are each independently an atomic fraction of each component in the oxide, where 0≤x≤0.5, 0≤y≤0.5, 0≤z≤0.5, x+y+z≤1, or mixtures, wherein the electrolyte layer is formed from an electrolyte selected from the group consisting of a gel polymer electrolyte of PEO, PVdF, PMMA, PAN, or PVAc; and a solid electrolyte of PEO, polypropylene oxide, polyethylene imine, polyethylene sulphide, or PVAc, and may further contain a lithium salt. an inner electrode comprising at least two anodes arranged in parallel, the anodes extending longitudinally and having a horizontal cross section of a predetermined shape wherein the at least two anodes are separated from each other; an electrolyte layer surrounding the inner electrode and serving as an ion channel; an outer electrode comprising a tubular cathode having a horizontal cross section of a predetermined shape and surrounding the electrolyte layer; and a protection coating surrounding the outer electrode, wherein each anode includes a current collector and an anode active material layer formed on the outer surface of the current collector, and the cathode includes a current collector and a cathode active material layer formed on the inside surface of the current collector, wherein the anode active material layer is formed from an active material including an active material particle of any one selected from the group consisting of carbonaceous materials; lithium-containing titanium composite oxides (LTOs); metals (Me) including Si, Sn, Li, Zn, Mg, Cd, Ce, Ni, and Fe; alloys of the metals (Me); oxides (MeOx) of the metals (Me); and composites of the metals (Me) and carbon, or mixtures thereof. wherein the cathode active material layer is formed from an active material including an active material particle of any one selected from the group consisting of LiCoO 2, LiNiO 2, LiMn 2 O 4, LiCoPO 4, LiFePO 4, LiNiMnCoO 2, and LiNi 1-x-y-z Co x M1 y M2 z O 2 wherein M1 and M2 are each independently any one selected from the group consisting of Al, Ni, Co, Fe, Mn, V, Cr, Ti, W, Ta, Mg, and Mo, and x, y, and z are each independently an atomic fraction of each component in the oxide, where 0≤x≤0.5, 0≤y≤0.5, 0≤z≤0.5, x+y+z≤1, or mixtures, wherein the electrolyte layer is formed from an electrolyte selected from the group consisting of a gel polymer electrolyte of PEO, PVdF, PMMA, PAN, or PVAc; and a solid electrolyte of PEO, polypropylene oxide, polyethylene imine, polyethylene sulphide, or PVAc, and may further contain a lithium salt.