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

Claim 15:
16. The electrochemical device according to claim 15, wherein the second lithium-containing transition metal oxide has the general formula of LinNiaCobM2cN2dO2, wherein 0.95≤n≤1.05, 0.5≤a<1, 0<b<0.4, 0<c<0.4, 0≤d≤0.02, and a+b+c+d=1, M2 is selected from at least one of Mn or Al, and N2 is selected from at least one of Mg, Ti, Zr, Nb, Y, Cr, V, Ge, Mo or Sr, a surface of the second lithium-containing transition metal oxide further comprises a boron element, and based on the total molar amount of the transition metal elements in the second lithium-containing transition metal oxide, a molar percentage of the boron element is 0.1% to 0.5%.