Patent ID: 8026003
Filing Date: 2011-09-27
Classification: H01M,Y02E

Abstract:
1. A negative active material of a non-aqueous electrolyte battery, the negative active material comprising a compound represented by formula 1: where 0.1≦x≦2.5, 0.01<y≦0.05, 0≦d≦0.5, and M is at least one element selected from the group consisting of Al, Cr, Mo, Ti, W, and Zr, wherein the negative active material has a distance ratio between axes of approximately 2.5 to 6.5, before lithium intercalation, and when the negative active material is intercalated, the negative active material has a distance ratio between axes of approximately 3.5 to 7.0, after lithium intercalation, wherein the negative active material has a void volume ranging from 10″3 cc/g to 0.8 cc/g for a particle size of 0.1 to 10 gm; and wherein z=0.9−y.