Green recovery of Li, Ni, and Mn from spent xLi2MnO3·(1-x)LiMO2 cathode materials: Experimental study and mechanism analysis

Yifan Wang,Qijun Zhang,Xiaoxia Bai, Panpan Mu,Xiaoguang Zhang,Wei Wang,Zhe Tan,Zhenhuan Zhao,De'an Pan

Chemical Engineering Journal（2023）

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摘要

•A closed-loop process was developed for recycling of spent xLi2MnO3·(1-x)LiMO2 cathode materials.•Nearly 100% of Li, Ni, and Mn can be simultaneous extracted.•Short reaction time with only 24 min.•Conversion mechanisms and the kinetics for the roasting process were investigated.•High economic and environmental friendliness.

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关键词

Spent xLi2MnO3·(1-x)LiMO2 cathode materials,Ammonium sulfate roasting,Valuable metals recovery,Conversion mechanisms,Kinetics

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