VALUABLE MATERIAL RECOVERY METHOD FROM LITHIUM ION SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a valuable material recovery method from a lithium ion secondary battery capable of simply and efficiently recovering valuable materials such as aluminum and copper from a lithium ion secondary battery.SOLUTION: The valuable material recovery method from a lithium ion secondary battery includes: heating the lithium ion secondary battery at a temperature equal to or more than 600°C; crushing the lithium ion secondary battery; performing shape sorting for the obtained crushed objects by using an air current; and recovering aluminum, which is a heavy product and copper, which is a light product.