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Degradation Mechanisms of Electrodes Promotes Direct Regeneration of Spent Li-Ion Batteries: A Review.

Jia, K., Yang, G., He, Y., Cao, Z., Gao, J., Zhao, H., Piao, Z., Wang, J., Abdelkader, A. M., Liang, Z., Kumar, R V., Zhou, G., Ding, S. and Xi, K., 2024. Degradation Mechanisms of Electrodes Promotes Direct Regeneration of Spent Li-Ion Batteries: A Review. Advanced Materials Interfaces, e2313273. (In Press)

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DOI: 10.1002/adma.202313273


The rapid growth of electric vehicle use is expected to cause a significant environmental problem in the next few years due to the large number of spent lithium-ion batteries (LIBs). Recycling spent LIBs will not only alleviate the environmental problems but also address the challenge of limited natural resources shortages. While several hydro- and pyrometallurgical processes are developed for recycling different components of spent batteries, direct regeneration presents clear environmental, and economic advantages. The principle of the direct regeneration approach is restoring the electrochemical performance by healing the defective structure of the spent materials. Thus, the development of direct regeneration technology largely depends on the formation mechanism of defects in spent LIBs. This review systematically details the degradation mechanisms and types of defects found in diverse cathode materials, graphite anodes, and current collectors during the battery's lifecycle. Building on this understanding, principles and methodologies for directly rejuvenating materials within spent LIBs are outlined. Also the main challenges and solutions for the large-scale direct regeneration of spent LIBs are proposed. Furthermore, this review aims to pave the way for the direct regeneration of materials in discarded lithium-ion batteries by offering a theoretical foundation and practical guidance.

Item Type:Article
Uncontrolled Keywords:degradation mechanism;direct regeneration;recycling methods;spent LIBs;target repair
Group:Faculty of Science & Technology
ID Code:39681
Deposited By: Symplectic RT2
Deposited On:09 Apr 2024 10:50
Last Modified:09 Apr 2024 10:50


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