Precursor for Preparation of Positive Electrode Active Material Comprising Layered Metal Oxides and Electrode Active Material Prepared with the Same

The present invention provides a precursor for manufacturing a secondary battery, the positive electrode active material, the transition including a nickel (Ni) and manganese transition metal hydroxide, or nickel (Ni), manganese (Mn) and cobalt (Co), including (Mn) core (core) made of a metal hydroxide; It provides a cathode active material for preparing a precursor, and is manufactured by using this cathode active material for a lithium secondary battery characterized in that including; and cobalt (Co) a shell (shell) made of a transition metal hydroxide containing.