Lithium battery negative electrode sheet recycling machine process flow
Release Time：2023-07-20 Source：Battery Recycling Machine Share：
Scrap lithium batteries have a large number of metal materials with high economic value, lithium batteries contain, positive pole piece, negative pole piece, plastic diaphragm combination. Both positive and negative materials contain many rare metals, such as: copper, aluminium, cobalt, lithium, manganese, nickel and so on. The vast majority of scrapped positive and negative electrode pieces come from lithium battery manufacturers, the amount of unqualified lithium batteries scrapped. Recycling of these lithium battery positive and negative electrode pieces avoids the waste of valuable metal resources and eases the pressure on the social environment. Therefore, the recovery of lithium battery positive and negative electrode pieces is also crucial.
Lithium battery negative electrode is usually made of graphite powder and copper. At present, the lithium battery negative electrode sheet recycling treatment is usually used in lithium battery negative electrode sheet recycling machine. First through the belt conveyor for feeding, into the crusher for crushing. And then through the linear vibrating screen and grinding machine for multiple screening and grinding, grinding dust is very fine negative electrode powder recycling collection. And then through the specific gravity sorting, sorting out copper. The whole process is equipped with pulse dust collector and material collector. The environmental protection equipment effectively collects and treats the dust and waste gas generated by the negative electrode sheet in the recycling process, equipped with: activated carbon adsorption, cyclone spray tower, catalytic combustion and other environmental protection facilities.
Lithium battery negative electrode sheet recycling and treatment equipment process flow
Negative electrode materials used in lithium batteries are: graphite powder, artificial graphite, carbon fibre balls, various kinds of graphite and so on. In the production of lithium batteries, the active substance is blended into a sauce, and then evenly coated on both sides of the fluid, in the process of slurry mixing, it will inevitably produce some unqualified slurry. Even in the later process of pole coating and splitting, some scrapped poles and edges will be produced more or less. The amount of scrap ranges from about 20%. Therefore, the recycling of waste lithium battery negative electrode wafers is also particularly important. Negative pole piece recycling machine plays a vital role.
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