A method to prepare porous graphene by recycling LITHIUM and PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC from the graphite negative electrode of waste LITHIUM ion battery. The method includes: disassembling the waste power battery to obtain graphite negative electrode; The organic matter was removed by heating in water vapor, and the waste graphite was pored by using the weak oxidation property of water vapor to obtain porous waste graphite. Adding leaching agent to the graphite to ultrasonic lithium extraction;
After LITHIUM extraction, the graphite was washed, filtered, PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC and dried to obtain graphite anode MATERIAL. Recycled graphite can be directly used as the cathode of lithium half battery with similar or higher electrochemical performance than ordinary graphite. The recovered graphite material was pre-oxidized to obtain porous GO solution, which was freeze-dried and calcined to obtain porous graphene.
The PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC method enables easy and efficient recycling of LITHIUM, and the preparation of porous graphene materials with high added value. It can increase the added value of the power battery recycling industry and promote the diversified development of the recycling field, which can generate economic and social effects.
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