Green and Economic Lithium Recovery from Spent LiMn2O4 Batteries through Blue Vitriol-Driven Selective Sulfation Roasting

Key Points

• To develop an efficient and environmentally friendly method for recovering lithium from spent LiMn2O4 batteries.
• Proposed a blue vitriol-driven sulfation roasting process.
• Analyzed economic performance and lithium selectivity.
• Evaluated environmental impacts compared to traditional methods.
• Demonstrated improved lithium recovery rates compared to conventional recycling.
• Reduced secondary pollution during the recovery process.
• Showed promising economic viability for the implemented method.