Precursor Synthetic method for lithium-ion secondary battery cathode active material from waste battery material and manufacturing method of the cathode active material made by the same

摘要

The present invention relates to a method for producing a precursor of a cathode active material for a lithium secondary battery by recycling a spent cathode active material, a precursor for a cathode active material for a lithium secondary battery produced by the method, and a method for producing a cathode active material for a lithium secondary battery, , The precursor and the cathode active material are prepared by pulverization and spray drying using the waste cathode active material that has already been used and discarded, so that the waste water is hardly generated and the material is not used unlike the precursor synthesis through the existing co- The load can be reduced while simultaneously showing the high capacity.