Inherent fluorine impurity enhances the regeneration of highly degraded layered cathodes with suppressed lattice oxygen escape

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成果类型：

期刊论文

作者：

Meiting Huang;Haoxuan Yu;Liang Chen*;Haitao Yang;Zhihao Wang;...

通讯作者：

Liang Chen

作者机构：

[Meiting Huang; Haoxuan Yu; Zhihao Wang; Yifeng Li; Kechun Chen] National–Local Joint Engineering Research Center of Heavy Metals Pollutants Control and Resource Utilization, Nanchang Hangkong University, Nanchang 330063, China

[Liang Chen] Key Laboratory of Hunan Province for Advanced Carbon–based Functional Materials, School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China

School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China

[Chenxi Xu] College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China

School of Life Science, Jinggangshan University, Ji’an 343009, China

通讯机构：

[Liang Chen] K

Key Laboratory of Hunan Province for Advanced Carbon–based Functional Materials, School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China

语种：

英文

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2025

页码：

162855

DOI：

10.1016/j.cej.2025.162855

基金类别：

CRediT authorship contribution statement Meiting Huang: Writing – review & editing, Writing – original draft, Investigation, Data curation. Haoxuan Yu: Methodology, Conceptualization. Liang Chen: Writing – review & editing, Methodology, acquisition. Haitao Yang: Software, Methodology. Zhihao Wang: Software. Yifeng Li: Investigation. Kechun Chen: Validation. Chenxi Xu: Visualization. Liming Yang: Supervision, acquisition. Xubiao Luo: Supervision, acquisition.

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

To face the large–scale retirement of lithium–ion batteries (LIBs), direct regeneration of spent NCM622 (LiNi 0.6 Co 0.2 Mn 0.2 O 2 ) cathode can effectively alleviate the current resource and environmental pressures. During the recycling process, the binder polyvinylidene fluoride (PVDF) inevitably becomes an inherent impurity in the active material. Whether the inherent impurity can assist the regeneration of spent NCM or not is becoming a focus of attentions. Hereby, a closed–loop direct regeneration strategy that transforms the inherent ...

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Inherent fluorine impurity enhances the regeneration of highly degraded layered cathodes with suppressed lattice oxygen escape

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