Efficient preparation of battery-grade Li2CO3 from spent battery leachate via integrated solvent extraction and direct precipitation

Green Chem., 2026, Advance Article
DOI: 10.1039/D6GC00941G, Paper

Qiyuan Zheng, Yanbin Yang, Wanting Xu, Jun Peng, Guiqing Zhang
Battery-grade Li₂CO₃ is produced from the lithium-containing raffinate of spent lithium-ion batteries through a two-step extraction–precipitation process.
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