| abstract |
An object of the present invention is to provide a high-efficiency power storage device having a lithium ion as an intercalation species using a fiber positive electrode and a fiber negative electrode, and a method of manufacturing the power storage device. In the power storage device of the present invention, a surface of a conductive fiber is represented by Chemical Formula 1: (Li 1-x A x ) a M b X c O d (In Chemical Formula 1, A is Na, K, Rb, and Cs. At least one alkali metal selected from the group consisting of: M is Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Nb, Mo, Ru, Pd, Ag, Ta, W, Ce, Pr, Sm At least one transition metal selected from the group consisting of Eu, and Pb; X is at least one typical element selected from the group consisting of B, Al, Si, P, S, Ga, and Ge; a positive electrode active material film containing a transition metal oxide represented by a ≦ 6, 1 ≦ b ≦ 5, 0 ≦ c ≦ 4, 0 <d ≦ 12, 0 ≦ a / b ≦ 4, and 0 ≦ x ≦ 0.5). The formed fiber positive electrode and the fiber negative electrode, the separator, and electrolyte which formed the negative electrode active material film on the surface of the conductive fiber are provided. |