Negative active material for non-aqueous electrolyte battery, method of preparing same, and non-aqueous electrolyte battery comprising same

摘要

A negative active material of a non-aqueous electrolyte battery includes a compound represented by formula 1: LixMyVzO2+d (1) where 0.1<=x<=2.5, 0<y<=0.5, 0.5<=z<=1.5, 0<=d<=0.5, and M is at least one element selected from the group consisting of Al, Cr, Mo, Ti, W, and Zr.