Patent ID: 9450241
Filing Date: 2016-09-20
CPC Classification: C01G,H01M,Y02E

Claim Text:
1. A composite cathode active material represented by Formula 1 below: wherein, in Formula 1, M1, M2, and M3 are each independently selected from the group of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B); M4 is selected from the group of manganese (Mn), titanium (Ti), and zirconium (Zr); M1, M2 and M3 are different from one another; and 0.5<x<1, 0<a<1, 0<b<1, 0<c<1, a+b+c=1, and 0<[(1−x)×a]/[(1−x)×c+x]≦0.14.