High Solid-to-Liquid Ratio Leaching of Strategic Metals from Spent Lithium-Ion Batteries: Design of a Green and Sustainable Deep Eutectic Solvent System

Key Points

• The aim is to explore efficient leaching methods for recycling batteries, enhancing sustainability.
• Developed a deep eutectic solvent system for leaching metals from spent LIBs.
• Evaluated solid-to-liquid ratio effects on leaching efficiency.
• Conducted systematic experiments to understand leaching mechanisms.
• Achieved higher metal recovery rates at optimized solid-to-liquid ratios.
• Demonstrated potential for reduced environmental impact compared to traditional methods.
• Identified key leaching mechanisms facilitating efficient metal extraction.