Abstract
The worldwide consumption of lithium ion batteries grows year by year, and the process of recycling batteries is complex and harmful today. To solve this problem, a novel method which is green and simple is proposed. The process for recycling and regeneration from spent lithium ion batteries is acid-free, which is different from conventional chemical leaching and solid-state synthesis approach. The impacts of reaction temperature and time, solution concentration on the regeneration of the cathode materials are investigated systematically. Lots of characterizations, such as XRD, SEM, and ICP, are adopted to investigate the properties of the regenerate NCM523, which conclude it has ideal stoichiometry and phase purity; the electrochemical results certify that the regenerated NCM523 meet the commercial requirements for reuse.
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This project was supported by the science and technology project of State Grid Zhejiang Electric Power Co., Ltd. (5211UZ2000K1).
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Lou, P., Guan, M., Wu, G. et al. Recycle cathode materials from spent lithium-ion batteries by an innovative method. Ionics 28, 2135–2141 (2022). https://doi.org/10.1007/s11581-022-04497-4
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DOI: https://doi.org/10.1007/s11581-022-04497-4