Green and Efficient Regeneration of Spent Lithium Batteries through Directional Leaching of Valuable Metals and Gradient Impurity Separation

Key Points

• The aim is to improve the efficiency of metal recovery from spent lithium-ion batteries while simplifying impurity separation.
• Developed a closed-loop recycling process.
• Integrated quality pretreatment techniques.
• Applied directional leaching for metal extraction.
• Achieved higher metal leaching efficiency compared to traditional methods.
• Simplified the separation of impurities during the recycling process.