Upcycling spent cathodes into single-crystalline Ni-rich cathode materials through selective lithium extraction

J. Mater. Chem. A, 2023, 11,21222-21230
DOI: 10.1039/D3TA03900E, Paper
Kyoung Sun Kim, Min Ku Jeon, Seok Hyun Song, Seokjae Hong, Hwa Soo Kim, Sung-Wook Kim, Jinsoo Kim, Pilgun Oh, Junhyeok Hwang, Jinju Song, Jiyoung Ma, Jung-Je Woo, Seung-Ho Yu, Hyungsub Kim
The lithium extraction method, involving the chlorination of unevenly degraded spent cathodes, successfully upcycled a Ni-rich single-crystalline cathode material that exhibited excellent performance, especially in bimodal electrodes.
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