Patent ID: 9705131
Date: 2017-07-11
CPC Classifications: C01G,C01P,H01B,H01M,Y02E,Y02P

Claim:
1. A positive electrode active material for a non-aqueous electrolyte secondary battery represented by Composition Formula (2): Li x [Ni (1/3-a) [M] a Mn 2/3 ]O 2 (in the formula, M represents at least one element selected from the group consisting of Cu, Zn, Mg, Fe, Al, Co, Sc, Ti, V, Cr, Ga, Ge, Bi, Sn, Ca, B, and Zr, 0≦a≦⅙, and x represents the number of Li satisfying the atomic valence), which is obtained by reduction-ion exchange of a precursor of the positive electrode active material that is represented by Composition Formula (1): Na 2/3 [Ni (1/3-a) [M] a Mn 2/3 ]O 2 (in the formula, M represents at least one element selected from the group consisting of Cu, Zn, Mg, Fe, Al, Co, Sc, Ti, V, Cr, Ga, Ge, Bi, Sn, Ca, B, and Zr and 0≦a≦⅙).