Patent ID: 11881583
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 1:
2. The positive electrode active material of claim 1, wherein the dopant is the combination of at least two transition metals having different ionic radii, and the doped lithium nickel phosphate is the compound of Formula 1

Li1+x(2−p)+y(2−q)M1xpM2yqNi1-x-yPO4  Formula 1

wherein
M1 is a transition metal having an oxidation state p, wherein p is +1, +2, +3, or +4;
M2 is a transition metal having an oxidation state q, wherein q is +1, +2, +3, or +4;
0<x≤0.25;
0<y≤0.25; and
M1 has an ionic radius that is not equal to M2.