Patent ID: 10333140

Abstract:
A layered lithium metal oxide powder for a cathode material used in a rechargeable battery, with the general formula (1−x)[Lia-bAb]3a[CO1-cMc]3b[O2-d-eN′e]6c.xLi3PO4, with 0.0001≤x≤0.05, 0.90≤a≤1.10, 0<b+c≤0.1, −0.1≤d≤0.1 and e≤0.05, wherein A and M are one or more elements including at least one of the group consisting of Mg, Ti and Al; wherein N′ is either one or more dopants of the group consisting of F, S, N and P; the powder consisting of a core and an ion-conductive electron-insulating surface layer, the core having a layered crystal structure and the surface layer comprising a mixture of elements of the core material, oxides comprising either one or more elements of the group consisting of Mg, Ti and Al; and Li3PO4.