| abstract |
An object of the present invention is to provide a highly efficient power storage device using a fiber positive electrode and a fiber negative electrode and using lithium ions as an insertion species, and a method for manufacturing such a power storage device. The electric storage device according to the present invention, the chemical on the surface of the fibers having a conductivity type 1: in (Li 1-x A x) a M b X c O d ( Formula 1, A is a group consisting of Na, K, Rb and Cs M is Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Nb, Mo, Ru, Pd, Ag, Ta, W, Ce, Pr, At least one transition metal selected from the group consisting of Sm, Eu and Pb; X is at least one typical selected from the group consisting of B, Al, Si, P, S, Ga and Ge Element <0 ≦ a ≦ 6, 1 ≦ b ≦ 5, 0 ≦ c ≦ 4, 0 <d ≦ 12, 0 ≦ a / b ≦ 4, 0 ≦ x ≦ 0.5) A fiber positive electrode on which a positive electrode active material film containing a transition metal oxide is formed and has conductivity A fiber negative electrode having a negative electrode active material film formed on the surface of the fiber, a separator, and an electrolyte. |