期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 8, 期 31, 页码 11713-11720出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c03624
关键词
deep eutectic solvents; dissolution; lithium-ion battery; waste recovery; mild condition
资金
- Natural Science Foundation of Hebei Province [B2019408018, E2020048004]
- Fundamental Research Funds for the Universities in Hebei Province [JYQ201902, JYT201901]
- Program for the Top Young Talents of Higher Learning Institutions of Hebei Province [BJ2020047]
- College Students' Innovation and Entrepreneurship Training Program Project Fund of Langfang Normal University [202010100001, S202010100011]
- Hebei Higher Education Teaching Reform Research and Practice Project [2019GJJG357]
- Research Project of Langfang Teachers University [LSLB201701]
- Scientific Research Program of Hebei's Higher Education Institutions [ZD2019036]
- National Natural Science Foundation of China [21903070, 21773307]
With the increasing demand of lithium-ion batteries in recent decades, the growing waste from the electrode materials of lithium-ion batteries has become an urgent problem. Lithium cobalt oxide (LiCoO2), used as the cathode materials of lithium-ion batteries, exhibits high capacity and excellent stability but also a high price. To recycle the LiCoO2 cathode, it is desirable to develop solvents for the dissolution of LiCoO2. At present, the dissolution of LiCoO2 still requires strong acid or a high temperature. Here, benign polyethylene glycol-based deep eutectic solvents (DES) were designed and further used for the dissolution of LiCoO2 under mild conditions with high solubility. This work provides a new route for the green recovery of lithium-ion cathodes with high efficiency and low energy consumption.
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