Patent ID: 11916233
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 4:
5. The positive electrode active material for a secondary battery of claim 1, wherein the lithium composite transition metal oxide is represented by Formula 1:

LiaNi1-(x+y+z)CoxM′yM″zO2+δ  [Formula 1]

wherein, in Formula 1, M′ is at least one selected from the group consisting of Mn and Al, M″ is at least one selected from the group consisting of barium (Ba), calcium (Ca), zirconium (Zr), titanium (Ti), magnesium (Mg), tantalum (Ta), niobium (Nb), and molybdenum (Mo), 1.0≤a≤1.5, x<y, 0≤z≤0.1, 0.1≤x+y+z≤0.4, and 0≤δ≤1.0.