METHOD OF SELECTIVELY REMOVING ALUMINUM FROM WASTE ELECTRODE AND A METHOD OF REMOVING METAL COMPONENTS FROM THE WASTE ELECTRODE USING THE METHOD

A method of removing aluminum from a waste electrode. The method includes comminuting the waste electrode containing a waste current collector and an electrode active material. The method further includes screening the comminuted waste electrode to collect the electrode active material. The method further includes mixing the electrode active material and an alkaline solution to remove aluminum impurities in the electrode active material.