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Direct regeneration of spent LiFePO4via a graphite prelithiation strategy

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Abstract

The capacity degradation mechanism of a spent LiFePO4 (LFP) cathode was investigated systematically and the occurrence of FePO4 in the cathode due to loss of Li+ was found to be mainly responsible for the short cycle life of LFP batteries. Given this, an easy, low-cost, and green cathode regeneration method was proposed. This work provides a new perspective for the recycling of spent batteries.

Graphical abstract: Direct regeneration of spent LiFePO4 via a graphite prelithiation strategy

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Publication details

The article was received on 17 Oct 2019, accepted on 25 Nov 2019 and first published on 26 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC08155K
Chem. Commun., 2020, Advance Article

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    Direct regeneration of spent LiFePO4 via a graphite prelithiation strategy

    T. Wang, X. Yu, M. Fan, Q. Meng, Y. Xiao, Y. Yin, H. Li and Y. Guo, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC08155K

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