| abstract |
The present invention relates to a nickel-containing core part comprising a first nickel concentration; And a coating part comprising a first metal and coated on the core part, wherein the core part is mechanically ground and the coating part comprises a coating part raw material including a ground core part and a first metal, The present invention relates to a precursor for a cathode active material for a secondary battery, which is prepared by spray-drying a mixed solution prepared by mixing a solvent and a solvent in a spray dryer, a cathode active material for a secondary battery using the precursor, and a method of manufacturing the same. |