DOI: 10.1039/d6ta06106k ISSN: 2050-7488

Coordination-programmed cobalt oxalate crystallization enables lithium/cobalt separation from spent LiCoO 2 cathodes in a hydrated deep eutectic medium

Guangke Ye, Yunxia Wu, Guofan Zhang

A prehydrated TMAC–oxalic acid DES integrates LiCoO 2 leaching with cooling-enhanced cobalt oxalate crystallization, retaining 99.98% of leached Li in solution without post-leaching additives.

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