PHOSPHORUS-CONTAINING SUBSTANCE COATED POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

WIPO Patent Application WO/2024/007459

A1

The present invention relates to the technical field of lithium-ion batteries. Disclosed are a phosphorus-containing substance coated positive electrode material, a preparation method therefor and a use thereof. The chemical formula of the phosphorus-containing substance coated positive electrode material is (1-x)Li1+a(Ni(1-m-n)ConMnm)1-bMbM'yO2-y·xM"cPOz, wherein M is at least one of Ba, La, Ti, Zr, V, Nb, Cu, Mg, B, S, Sr, Al, Sc, Y, Ga, Zn, W, Mo, Si, Sb, and Ca, 0≤a≤0.1, 0