Efficient metal recovery and electrocatalyst fabrication from spent lithium-ion batteries via green solvent extraction

Green Chem., 2025, Advance Article
DOI: 10.1039/D5GC00073D, Paper

Mingfei Chen, Yaping Wang, Yixin Zhou, Bin Guo, Li Wang, Jinsheng Liang
A novel method converts spent LiNi_1−x−yCo_xMn_yO₂ cathodes into nickel cobalt sulfide catalysts via deep eutectic solvents and sulfidation. The hollow nanorod arrays with rich active sites and hydrophilicity exhibit superior OER performance.
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