METHODS FOR PREPARING CATHODE ACTIVE MATERIAL PRECURSOR MATERIAL AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY PREPARED ACCORDING TO SAME

摘要

The present invention provides: a method for preparing a cathode active material precursor material by using a high-nickel-content waste secondary lithium battery; a method for preparing a cathode active material for a secondary lithium battery, including a cathode active material precursor material prepared by the method for preparing a cathode active material precursor material; and a cathode active material for a lithium secondary battery, prepared according to the method for preparing a cathode active material for a secondary lithium battery.