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Title	Sustainable Direct Recycling of Lithium-Ion Batteries via Solvent Recovery of Electrode Materials
ID_Doc	7473
Authors	Bai, YC; Muralidharan, N; Li, JL; Essehli, R; Belharouak, I
Title	Sustainable Direct Recycling of Lithium-Ion Batteries via Solvent Recovery of Electrode Materials
Year	2020
Published	Chemsuschem, 13, 21
Abstract	Separation of electrode materials from their current collectors is an enabling step toward recovering critical materials from spent lithium-ion batteries. In the presented research, a highly efficient, cost-effective, and environmentally sustainable separation process was developed for that purpose. Ethylene glycol, a vital commodity chemical as an antifreeze and polymer precursor, is used to delaminate electrode materials at low temperatures in seconds without altering the crystalline structure and morphology of active electrode materials. The recovered current collectors were intact without any corrosion. The authors also found that the solvent could be continuously reused, leading to the development of a closed-loop ecosystem and lithium-ion battery circular economy. The ultrafast delamination was driven by the competitive inhibition of binding through the weakening of hydrogen bonding. The ethylene glycol-based separation is a sustainable electrode recovery process that paves the way for battery recycling.
PDF	https://rss.onlinelibrary.wiley.com/doi/am-pdf/10.1002/cssc.202001479

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