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Market prospects of waste lithium battery recycling industry

Author:Zhengyang MachineryTimes:2021-08-25
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Power battery recycling mainly adopts two methods: one method is secondary utilization, that is, for batteries that are not scrapped but have reduced capacity and cannot be used by electric vehicles, the battery pack is unpacked, and the modules are tested and screened. Re-assemble and utilize the available batteries, such as applying them to the field of energy storage; another way is to disassemble the power batteries that have been scrapped, recover the available materials and reuse them.

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Dismantling and recycling: At present, there are four main processing methods for dismantling and recycling: pyrometallurgy, hydrometallurgy, and physical dismantling. The battery is crushed, sieved, separated by magnetic separation, finely crushed and classified to obtain high-content substances. , And then proceed to the next step of recycling. The process of the physical dismantling method is very environmentally friendly and will not cause secondary pollution to the environment.

A complete lithium battery disassembly and recycling production line needs to include disassembly-single-stage crushing-sorting (battery core and shell separation and recovery)-battery cell electrolyte removal (electrolyte pyrolysis separation and recovery)-isolation membrane and electrode membrane separation Recycling-Lithium battery positive and negative materials separation, sorting and recycling-hazardous waste recycling and other complex links.

A complete set of automated lithium power battery dismantling and recycling production lines can recover valuable materials in lithium power batteries. Among them, the recovery rate of copper and aluminum is as high as 98%, and the recovery rate of cathode materials exceeds 90%. In addition, many power battery manufacturers have also begun to introduce technology and equipment for battery recycling!

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