A trace lithium occupation strategy enhances the structural stability of a layered NaNi0.4Fe0.2Mn0.4O2 cathode enabling stable cycling

Yu-jing Chen; Jia-feng Zhang; Chao Sun; Pei-yao Li; Qing Wen; Pei Yang; Tian Chen; Xia-hui Zhang; Jun-Chao Zheng

doi:10.1039/D5CC00777A

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A trace lithium occupation strategy enhances the structural stability of a layered NaNi_0.4Fe_0.2Mn_0.4O₂ cathode enabling stable cycling†

Yu-jing Chen,^a Jia-feng Zhang,

^a Chao Sun,

^a Pei-yao Li,^a Qing Wen,^a Pei Yang,^a Tian Chen,^a Xia-hui Zhang

*^a and Jun-Chao Zheng

*^a

Author affiliations

* Corresponding authors

^a School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, China
E-mail: jczheng@csu.edu.cn, xhzhang@csu.edu.cn

Abstract

Trace lithium ions are embedded into sodium-ion sites through Li⁺/Na⁺ exchange to enhance the structural stability and mitigate interface erosion of layered NaNi_0.4Fe_0.2Mn_0.4O₂. The harmful O′3 phase transition in L-NFM was alleviated effectively by Li⁺ sites during the cycling process.

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Article information

DOI: https://doi.org/10.1039/D5CC00777A
Article type: Communication
Submitted: 12 ফেব্রু 2025
Accepted: 04 মার্চ 2025
First published: 04 মার্চ 2025

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Chem. Commun., 2025,61, 5337-5340

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A trace lithium occupation strategy enhances the structural stability of a layered NaNi_0.4Fe_0.2Mn_0.4O₂ cathode enabling stable cycling

Y. Chen, J. Zhang, C. Sun, P. Li, Q. Wen, P. Yang, T. Chen, X. Zhang and J. Zheng, Chem. Commun., 2025, 61, 5337 DOI: 10.1039/D5CC00777A

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