PRECURSOR FOR PREPARATION OF LITHIUM COMPOSITE TRANSITION METAL OXIDE, METHOD FOR PREPARING THE SAME AND LITHIUM COMPOSITE TRANSITION METAL OXIDE OBTAINED FROM THE SAME

摘要

Disclosed are a precursor for preparation of a lithium composite transition metal oxide, a method for preparing the same and a lithium composite transition metal oxide obtained from the same. More particularly, the transition metal precursor which has a composition represented by Formula 1 below and is prepared in an aqueous transition metal solution, mixed with a transition metal-containing salt, including an alkaline material, the method for preparing the same and the lithium composite transition metal oxide obtained from the same are disclosed.;MnaMb(OH1-x)2-yAy   (1);wherein M is at least one selected form the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; A is at least one selected form the group consisting of anions of PO4, BO3, CO3, F and NO3, and 0.5≦a≦1.0; 0≦b≦0.5; a+b=1; 0

主权项

1. A transition metal precursor having a composition represented by Formula 1 below and prepared in an aqueous transition metal solution, mixed with a transition metal-containing salt, comprising an alkaline material:
MnaMb(OH1-x)2-yAy   (1) wherein M is at least one selected form the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; A is at least one selected form the group consisting of anions of PO4, BO3, CO3, F and NO3;
0.5≦a≦1.0;0≦b≦0.5;a+b=1;0