POSCO Holdings Inc.
METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND APPARATUS FOR PREPARING CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY

Abstract:

A positive active material manufacturing method according to an exemplary embodiment of the present invention includes: a step of preparing a lithium-containing compound; a step of manufacturing a coating liquid including at least one coating element; a step of mixing the lithium-containing compound and the coating liquid to form a coating mixture of a clay or slurry state; and a step of agitating the coating mixture. Further, a manufacturing apparatus of a positive active material according to an exemplary embodiment includes a rotation container, a cover, a nozzle, and an agitation wing.