| abstract |
Regarding a precursor of a positive electrode active material for a lithium secondary battery and a method for producing the same, a positive electrode active material and a lithium secondary battery including the same, the precursor for a lithium secondary battery represented by the following chemical formula 1 Provided is a precursor of a positive electrode active material for a lithium secondary battery, in which the concentration deviation of manganese ions in the body is within 3% by weight. [Chemical Formula 1] Ni x Co y Mn 1-x -y-z Mz (OH) 2 (0 <x <1, 0 ≦ y <1, 0.5 ≦ 1-xyz, 0 ≦ z <1, M is Al, Mg, Fe, Cu, Zn, Cr, Ag, Ca, Na , K, In, Ga, Ge, V, Mo, Nb, Si, Ti, and one or more metals selected from the group consisting of Zr) [Selection] Figure 1 |