POSCO Holdings Inc.
METHOD FOR PRODUCING LITHIUM HYDROXIDE FROM LITHIUM PHOSPHATE

Abstract:

The present invention relates to a method of manufacturing lithium hydroxide, which includes adding at least one acid selected from hydrochloric acid, sulfuric acid, and nitric acid into lithium phosphate slurry including a lithium phosphate particle, adding an alkali material to the lithium phosphate slurry including the acid, and converting it into a lithium hydroxide aqueous solution.