Direct regeneration of spent LiFePO4 cathode using a reduction agent of natural amino acid

Key Points

• Direct regeneration of spent lithium iron phosphate cathodes was achieved with a natural amino acid reduction agent, providing an eco-friendly recycling method.
• The process effectively restores cathode performance, showing a significant recovery of electrochemical properties post-regeneration.
• Assessment using a natural amino acid reduction agent examined for its potential benefits in long-term battery sustainability and material reuse.
• This approach highlights the feasibility of using biodegradable agents for battery material regeneration, promoting greener recycling methods.