What technology is used for lithium battery recycling?

Release time:

2021-11-09 13:28

In order to safely dispose of the waste batteries recovered from the lithium ion batteries, the waste lithium batteries are discharged before the pretreatment to keep the waste lithium batteries in a safe state. The pretreatment process mainly includes physical methods and breaking lines(Mechanical splitting of battery shell, damaged electrode materials, classification of damaged materials, etc.).

    In the wasteLithium battery recyclingDuring the secondary treatment, the electrode material is actually dissolved.-Leached out for processing. The pretreated electrode material is dissolved into an acid-base solution, and the metal ions in the material are reduced to corresponding inorganic salts, such as metals or oxides and chlorides, which is the core of the entire process system.

 

The future of wasteLithium battery recyclingTechnology research will be carried out in the direction of reducing costs, reducing secondary pollution, increasing the types of recycled materials, and improving the recovery rate. At the same time, the application of new methods of low energy and low pollution biological metallurgy in the recovery process of lithium batteries will also become a point of research and development in the future.

 

Lithium battery recyclingThe leachate after the secondary treatment may contain a variety of metal elements, such as lithium, cobalt, nickel, manganese, copper, aluminum, iron and so on. Through a large number of studies and experiments, the mature methods include solvent extraction, chemical precipitation, salting out, ion exchange and electrochemical methods.

 

From the perspective of the recovery and purity of the target product, the solvent extraction method has obvious advantages over the chemical precipitation method in terms of mild conditions and recovery effect, but the solvent extraction method has high energy consumption and complex process. Although the recovery rate of chemical precipitation is high, the process is cumbersome. In the treatment of metal ions, metal ions with different chemical properties are treated by salting out, and ions with significantly different sizes can be treated by ion exchange or salting out. Due to the different properties of metal ions, ion exchange method or electrochemical method is relatively simple, but the equipment requirements are higher. In addition, the electrochemical process consumes a lot of energy and has a high recovery cost.

 

Shenzhen Taili Waste Battery Recycling Technology Co., Ltd. Main Products: Power Battery Recycling, Waste Oil Recycling, Oil Recycling, Electric Vehicle Recycling,Lithium battery recyclingWait.


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