Patent ID: 9680150
Date: 2017-06-13
CPC Classifications: C01G,C01P,H01M,Y02E,Y02T

Claim:
1. An electrical device which comprises a power generating element containing a positive electrode in which a positive electrode active material layer containing a positive electrode active material is formed on the surface of a positive electrode current collector, a negative electrode in which a negative electrode active material layer containing a negative electrode active material is formed on the surface of a negative electrode current collector, and a separator, wherein the coating amount of the negative electrode active material layer is 3 to 11 mg/cm in the formula, α and β represent % by weight of each component in the negative electrode active material layer, and 80≦α+β≦98, 3≦α≦40, and 40≦β≦95, the positive electrode active material layer contains a positive electrode active material which is represented by the following formula (2): in the formula, e represents % by weight of each component in the positive electrode active material layer, and 80≦e≦98, and the solid solution positive electrode active material has a composition which is represented by the following formula (3): in the formula, X is at least one selected from a group consisting of Ti, Zr, and Nb, 0.01≦e≦0.4, a+b+c+d+e=1.5, 0.1≦d≦0.4, and 1.1≦[a+b+c+e]≦1.4, and z represents an oxygen number for satisfying the atomic valence.