Patent ID: 9391327
Filing Date: 2016-07-12
CPC Classification: C01G,C01P,H01M,Y02E

Claim Text:
1. A positive active material that includes a lithium nickel composite oxide represented by the following Chemical Formula 1, wherein a full width at half maximum (FWHM 003 ) at a (003) plane in X-ray diffraction ranges from about 0.12 to about 0.155, wherein, M is one or more kinds of metal element selected from Al, Mn, Cr, Fe, V, Mg, Ti, Zr, Nb, Mo, W, Cu, Zn, Ga, In, Sn, La, and Ce, 0.20≦a≦1.20, 0.80≦x<1.00, 0<y≦0.20, 0≦z≦10, and x+y+z=1.