Patent ID: 9231249
Filing Date: 2016-01-05
CPC Classification: C01G,C01P,H01M,Y02E

Claim Text:
1. A positive electrode active material for a lithium ion battery which is represented by the following composition formula: wherein M represents Co as an essential component and at least one selected from Sc, Ti, V, Cr, Mn, Fe, Ge, Cu, Zn, Ga, Ge, Al, Bi, Sn, Mg, Ca, B, and Zr; wherein 0≦x≦0.1, 0<y≦0.7, and α>0; wherein ratio of peak strength (Ps104) on (104) plane to peak strength (Ps003) on (003) plane, which is (Ps104/Ps003), is 0.9 or less and 2θ of (110) plane is 64.6° or more according to powder X-ray diffraction.