Positive epositive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsShogo ESAKI, Mitsuhiro HIBINO
Life of this patent
Estimating the term…
Abstract
A positive electrode active material for a non-aqueous electrolyte secondary battery according to the present invention has a crystal structure belonging to space group R-3m and is represented by the compositional formula LiαNaβNi1-b-cMnbXcO2-d, wherein X is at least one element selected from the group consisting of typical elements and transition metal elements other than Li, Na, Ni, and Mn, 0.80<α≤1.20, 0<β≤0.20, 0.80<α+β≤1.20, 0<1-b-c≤1, 0≤b<1, 0≤c<1, and 0<d≤0.2.
Claims14
A positive electrode active material for a non-aqueous electrolyte secondary battery, the positive electrode active material having a crystal structure belonging to a space group R-3m, and being represented by a compositional formula:
- LiαNaβNi1-b-cMnbXcO2-d,
- wherein X represents at least one selected from the group consisting of transition metal elements and main-group elements other than Li, Na, Ni, and Mn;
- and 0.80<α≤1.20, 0<β≤0.20, 0.80<α+β≤1.20, 0<1-b-c<1, 0≤b<1, 0≤c<1, and 0<d≤0.2 are satisfied.
Dependencies are inferred from the claim text.