Method For Preparing Positive Electrode Active Material For Secondary Battery, Positive Electrode Active Material Thus Prepared And Lithium Secondary Battery Including The Same

A positive electrode active material, a positive electrode including the same, and a lithium secondary batter including the same are disclosed herein. In some embodiments, the positive electrode active material includes a lithium transition metal oxide, and a coating layer formed on a surface of the lithium transition metal oxide particle, wherein the coating layer is formed in a film form, and the coating layer includes a carbonized coating polymer and carbide.