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Closed-loop cobalt recycling from spent lithium-ion batteries based on a deep eutectic solvent (DES) with easy solvent recovery

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Journal of Energy Chemistry 2022年第9期31卷 532-538,I0015页

作者： Taibai Li Yige Xiong Xiaohui Yan Tao Hu Siqi Jing Zhongjie Wang Xiang Ge Department of Materials and Metallurgy Guizhou UniversityGuiyang 550025GuizhouChina

Efficient recycling technology for the rapid growth of spent lithium-ion batteries(LIBs)is essential to tackle the resources and environmental *** approach has attracted extensive research due to its potential to reduce the consumption of energy and threat to the ***,the simultaneous realization of green,efficient and closed-loop recycling is still ***,we report a closed-loop and highly efficient approach to recycle lithium cobalt oxide from spent LIBs based on a choline chloride:oxalic acid(ChCl:OA)type deep eutectic solvent(DES).An ultrafast leaching process is observed at 180°C for 10 s with no observable *** energy barrier during leaching is calculated to be 113.9 kJ/***,the solubility of cobalt ions can be reversibly tuned by simply adding/evaporating deionized water,thus avoiding the addition of precipitant and enabling the easy recovery of the leaching solvent for realizing a closed-loop recycling *** simultaneous realization of high efficiency,green and closed-loop process is expected to push the DES into practical application for recycling the electrodes of LIBs.

关键词： Lithium-ion batteries recycle Deep eutectic solvent Closed-loop High efficiency solvent recovery

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Organic solvent Nanofiltration:A Novel Approach to solvent recovery

Organic Solvent Nanofiltration:A Novel Approach to Solvent R...

引用

2011 World Congress on Engineering and Technology(CET 2011)

作者： Elin Rundquist Christopher Pink Andrew Livingston Particle Generation Control and Engineering Glaxo Smith Kline Dept. of Chemical Engineering and Chemical Technology Imperial College

Increasing demand to practice more sustainable processing has led to renewed interest in the area of solvent recovery within the pharmaceutical *** has been the conventional unit operation of choice,and though generating high purity solvent,distillation can be energy-intensive and a low energy alternative is desirable.A potential alternative has been identified in the emerging separation technique of organic solvent nanofiltration （OSN）.The work presented here demonstrates that OSN can be used effectively to recover solvent within the solvent specification while using less than 20 times the energy required for an equivalent distillation *** added benefit of using the athermal OSN approach can also be seen in that valuable solutes,such as active pharmaceutical ingredients （API）,can be recovered.

关键词： organic solvent nanofiltration solvent recovery energy-efficiency pharmaceutical processing

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