Parameter
| Model | Power (kW) | Weight (kg) | Dimension (m) | Capacity (kg/h) |
|---|---|---|---|---|
| 500 | 95 | 20000 | 2565 | 400–500 |
| 1000 | 195 | 40000 | 3588 | 800–1000 |
Lithium Battery Crushing & Sorting Equipment
Lithium batteries mainly consist of casing, cathode, anode, electrolyte and separator. The cathode is made by coating lithium cobalt oxide powder on both sides of an aluminum foil current collector with PVDF as binder. The anode has a similar structure, where carbon powder is bonded onto both sides of a copper foil current collector. Lithium-ion batteries feature prominent merits such as high voltage, large specific capacity, long service life and no memory effect. Since commercialization, they have rapidly dominated the power source market of portable electronic devices, with output rising year by year. Their service life is approximately 2 years. Improper disposal of spent lithium batteries will pose potential environmental pollution risks from contained lithium hexafluorophosphate, carbonate organics and heavy metals including cobalt and copper. On the other hand, cobalt, lithium, copper, plastics and other materials inside spent lithium batteries are valuable resources with high recycling value. Therefore, scientific and effective treatment of spent lithium batteries brings remarkable environmental benefits as well as favorable economic returns.
At present, research on resource recovery of spent lithium batteries mostly focuses on recycling high-value precious metals cobalt and lithium from cathodes, while few studies cover separation and recovery of anode materials. To ease increasingly severe resource shortage and environmental pollution triggered by rapid economic growth, full-component recovery and utilization of waste materials has become a global consensus.
Working Principle
In light of the structure of lithium battery cathode and anode processing equipment and material properties of copper and carbon powder, a combined process of hammer vibration crushing, vibrating screening and air classification is adopted to separate and recover constituent materials from spent lithium battery anodes.
Indoor LED Screen Advantages
The combined process of hammer vibration crushing, vibrating screening and air classification enables resource recovery of metallic copper and carbon powder from spent lithium battery anode materials.
Hammer vibration crushing effectively peels carbon powder from copper foil in anode materials. Subsequent vibrating screening based on differences in particle size and shape achieves preliminary separation of copper foil and carbon powder.
For crushed particles with a size of 0.125~0.250 mm and low copper grade, air classification can realize efficient separation of copper and carbon powder. Excellent recycling performance can be achieved at an air velocity of 1.00 m/s.
This equipment is mainly used by lithium-ion battery manufacturers to separate aluminum foil, copper foil and electrode materials from scrapped positive and negative electrode sheets for recycling. The complete production line operates under negative pressure with zero dust leakage, and the separation efficiency can exceed 90%.
