Patent ID: 11936042
Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 14:
15. The electrochemical device according to claim 10, wherein the first lithium-containing transition metal oxide has the general formula of LiαNixCoyM1zN1βO2, wherein 0.95≤α≤1.05, 0.5≤x<1, 0<y<0.4, 0<z<0.4, 0β≤0.05, and x+y+z+β=1, M1 is selected from at least one of Mn or Al, and N1 is selected from at least one of Mg, Ti, Zr, Nb, Y, Cr, V, Ge, Mo or Sr, a surface of the first lithium-containing transition metal oxide further comprises a first coating element and a boron element, the first coating element is selected from at least one of Al, La, Y, Zr, Ti, Ce or F, and based on the total molar amount of the transition metal elements in the first lithium-containing transition metal oxide, a molar percentage of the first coating element is 0.1% to 0.5%, and a molar percentage of the boron element is 0.1% to 0.5%.