Patent ID: 9601770
Date: 2017-03-21
CPC Classifications: C01G,C01P,H01M,Y02E

Claim:
1. A transition metal precursor for preparation of a lithium composite transition metal oxide, the transition metal precursor comprising a composite transition metal compound represented by Formula 1 below and a hydrocarbon compound: wherein M is at least two selected from the group consisting of Ni, Co, Mn, Al, Cu, Fe, Mg, B, Cr, Ti and Zr; 0.4≦a≦1; 0≦b≦0.6; a+b≦1; and 0<x<0.5, wherein an amount of the hydrocarbon compound is in a range of 0.1 to 10 wt % based on a total amount of the transition metal precursor, wherein the transition metal precursor has closed pores, and at least a portion of the hydrocarbon compound is contained in the closed pores.