Great significance of lithium battery recycling process

Currently, for the separation and treatment of used lithium batteries, most domestic and foreign manufacturers use simple disassembly, discharge, crushing, and screening to obtain products of different particle size levels, and then use various physical, chemical, or biological methods. Recycle the plastic casing, separator, copper foil, aluminum foil, positive and negative mixed materials, etc. For the separation of positive and negative electrode mixed materials, physical separation (air separation, gravity separation, magnetic separation, flotation, etc.), chemical separation (pyrolysis, roasting, leaching, ion precipitation, etc.) or physical and chemical combination are common. method and other methods. The separation and recovery method of valuable substances in used lithium battery electrode powder is of great significance.

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