From the journal:

Chemical Communications

Organophosphonic acid-assisted efficient delamination of spent lithium-ion battery cathodes for regeneration†

Cheng Gong,ab   Shiwen Zhang,*ab   Qin Liu, ORCID logo c   Jia Yib  and  Wentuan Bi ORCID logo *ab  

* Corresponding authors

a School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, P. R. China
E-mail: shwzhang@aust.edu.cn, bwin@ustc.edu.cn

b Institute of Energy, Hefei Comprehensive National Science Center (Anhui Energy Laboratory), Hefei, P. R. China

c Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, P. R. China

Abstract

Organophosphonic acids are highlighted to delaminate cathode materials from Al foil, with an Al leaching rate of only 2.88%. Mechanistic analysis revealed that organophosphonic acids formed a dense passivation layer on the surface of the Al foil, inhibiting the dissolution of the Al foil and reducing the interaction between the Al foil and binder.

Graphical abstract: Organophosphonic acid-assisted efficient delamination of spent lithium-ion battery cathodes for regeneration

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Article information

DOI
https://doi.org/10.1039/D5CC00086F
Article type
Communication
Submitted
06 Jan 2025
Accepted
18 Feb 2025
First published
18 Feb 2025

Chem. Commun., 2025, Advance Article

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Organophosphonic acid-assisted efficient delamination of spent lithium-ion battery cathodes for regeneration

C. Gong, S. Zhang, Q. Liu, J. Yi and W. Bi, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC00086F

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