Patent ID: 8338037

Claim:
A process comprising: precipitating a (Na—Ni—Co—Mn)CO 3 compound from a solution; mixing the (Na—Ni—Co—Mn)CO 3 compound with a lithium source; and calcining the mixture of the (Na—Ni—Co—Mn)CO 3 with the lithium source to obtain a compound of Formula I; wherein: the compound of Formula I is Li 1+x′ Na a′ Ni α Co β Mn γ Mo δ M y O 2−z X z ; M is Ca, Mg, Zn, Al, Ga, B, Zr, Si, Ti, Nb, or W; X is F, S, Cl, or I; x′ ranges from 0 to about 0.33; 0<a′≦0.1; 0<α≦1; 0<γ≦1; β ranges from 0.01 to 1; δ ranges from 0 to 0.2; y ranges from 0 to 0.15; and z ranges from 0 to about 0.33.