Patent ID: 7927741
Filing Date: 2011-04-19
Classification: C01G,C01P,H01M,Y02E,Y02T

Abstract:
1. A lithium transition metal oxide having a lithium transition metal oxide represented by General Formula Li 1+x M 1−x O 2 (M: transition metal) as a main component and containing the three elements Mn, Co and Ni as transition metals (M), wherein x in the General Formula is from 0.01 to 0.20; and having a layered structure, wherein the ratio of the crystallite diameter as determined by the Measurement Method 1 according to the Rietveld method carried out under the conditions shown in Table 2 with respect to the mean powder particle diameter (D50) as determined by a laser diffraction/scattering-type particle size distribution measurement method is 0.05 to 0.20 and the crystallite diameter as determined by the Measurement Method 1 is 0.1 μm to 0.5 μm, wherein the 90% cumulative diameter (D90) as determined by a laser diffraction/scattering-type particle size distribution measurement method is 2.0 μm to 10.0 μm.