Low-Voltage Suspension Electrolysis Enables Redox Coupled Synergistic Leaching for Closed Loop Recycling of Mixed NCM-LFP Cathodes

Key Points

• This research aims to develop an efficient method for recycling mixed lithium-ion battery cathodes using low-voltage electrolysis.
• Low-voltage electrolysis was employed to enhance metal leaching from mixed NCM-LFP cathodes.
• The study analyzed the synergistic effects of redox coupling during the leaching process.
• Environmentally safe techniques were prioritized in the recycling process.
• The low-voltage electrolysis method achieved a metal leaching efficiency of over 90% in mixed cathodes.
• Redox coupled leaching significantly improved recovery rates compared to traditional methods.
• Environmental impact assessments showed reduced harmful byproducts during recycling.