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Waste lithium batteries contain a large amount of economically valuable metal materials, including positive and negative electrodes, and plastic separators. Both positive and negative electrode materials contain many rare metals, such as copper, aluminum, cobalt, lithium, manganese, nickel, etc. The vast majority of scrapped positive and negative electrodes come from lithium battery manufacturers, and the amount of scrapped unqualified lithium batteries. Recycling and processing the positive and negative electrodes of these lithium batteries avoids the waste of valuable metal resources and alleviates the pressure on the social environment. Therefore, the recycling of positive and negative electrodes in lithium batteries is also crucial.
The negative electrode of lithium batteries is usually made of graphite powder and copper. At present, lithium battery negative electrode recycling equipment is commonly used for lithium battery negative electrode recycling and treatment. First, the material is fed through a belt conveyor and put into the crusher for crushing. Then, multiple screenings and grinding are carried out using a linear vibrating screen and grinder, and the finely ground negative electrode powder is collected and recycled. After specific gravity sorting, copper is sorted out. Equipped with pulse dust collectors, collectors, etc. throughout the entire process. Environmental protection equipment effectively collects and treats the dust and waste gas generated by the negative electrode plates in the recycling process, equipped with environmental protection facilities such as activated carbon adsorption, cyclone spray tower, catalytic combustion, etc.
Process flow of lithium battery negative electrode recycling and treatment equipment
The negative electrode material used in lithium batteries is graphite powder, artificial graphite, carbon fiber balls, various types of graphite, etc. In the process of producing lithium batteries, soy sauce is prepared by blending active substances and then evenly applied on both sides of the fluid. During the process of stirring the slurry, it is inevitable to produce some unqualified slurry. Even in the later stage of electrode coating and segmentation, some scrapped electrodes and scraps may be produced to some extent. The amount of scrap varies from around 20%. Therefore, the recycling and reuse of waste lithium battery negative electrodes is particularly important.
The launch of the process flow of Xingmao Machinery's lithium battery negative electrode recycling and treatment equipment not only improves the recycling and utilization rate of lithium battery negative electrodes, reduces the consumption of natural resources, but also reduces environmental pollution, which meets the requirements of modern society for environmental protection and sustainable development.