Recycling and regenerating method for graphite negative electrode of waste lithium ion battery

• Main Authors: ZHONG FAPING, TAN SHUIFA, JIANG SUBIN, HE CHIHUAN, LIU HONGBING, ZHU JIQUN
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention provides a waste lithium ion battery graphite negative electrode recycling method, which comprises: pre-treating a waste lithium ion battery to obtain negative electrode material powder, and carrying out heat treatment on the negative electrode material powder to oxidize metal impuriti...