Kong, L., Li, Z., Zhu, W., Ratwani, C. R., Fernando, N., Karunarathne, S., Abdelkader, A. M., Kamali, A. R. and Shi, Z., 2023. Sustainable regeneration of high-performance LiCoO2 from completely failed lithium-ion batteries. Journal of Colloid and Interface Science, 640, 1080-1088.
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DOI: 10.1016/j.jcis.2023.03.021
Abstract
Utilising the solid-state synthesis method is an easy and effective way to recycle spent lithium-ion batteries. However, verifying its direct repair effects on completely exhausting cathode materials is necessary. In this work, the optimal conditions for direct repair of completely failed cathode materials by solid-state synthesis are explored. The discharge capacity of spent LiCoO2 cathode material is recovered from 21.7 mAh g−1 to 138.9 mAh g−1 under the optimal regeneration conditions of 850 °C and n(Li)/n(Co) ratio of 1:1. The regenerated materials show excellent electrochemical performance, even greater than the commercial LiCoO2. In addition, based on the whole closed-loop recycling process, the economic and environmental effects of various recycling techniques and raw materials used in the battery production process are assessed, confirming the superior economic and environmental feasibility of direct regeneration method.
Item Type: | Article |
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ISSN: | 0021-9797 |
Uncontrolled Keywords: | Batteries recycling; Circular economy; Completely failed cathode material; Environmental and economic assessment; Spent lithium-ion batteries |
Group: | Faculty of Science & Technology |
ID Code: | 38391 |
Deposited By: | Symplectic RT2 |
Deposited On: | 28 Mar 2023 15:50 |
Last Modified: | 28 Mar 2023 15:50 |
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