From the journal:

Chemical Communications

Anion-tethered interface engineering enabling dendrite-free lithium metal anodes†

Lanlan Zuo,a   Xu Fan,a   Hang Yu,a   Di Lu,a   Peitao Xiao,a   Xianxian Shi,a   Chunman Zheng ORCID logo *a  and  Yufang Chen ORCID logo *a  

* Corresponding authors

a Department of Materials Science and Engineering, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, Hunan 410000, China
E-mail: chenyufang@nudt.edu.cn, zhengchunman@nudt.edu.cn

Abstract

A functionalized fiber separator with an anion-sieving effect facilitates rapid Li+ transfer and guides ordered Li deposition. The in situ integration of metal organic frameworks (MOFs) with polyacrylonitrile (PAN) fibers effectively prevents MOF agglomeration, and reduces the high reactivity of –C[triple bond, length as m-dash]N groups with Li anodes. Real-time visualization technology confirms uniform Li deposition behavior. The Li‖Li symmetric cell demonstrates exceptional plating-stripping reversibility at 10 mA cm−2. The Li‖LiNi0.8Co0.1Mn0.1O2 cell exhibits 17% higher capacity retention after 250 cycles than commercial polyolefin separator. This in situ chemical modification enables dendrite-free Li metal batteries through separator engineering.

Graphical abstract: Anion-tethered interface engineering enabling dendrite-free lithium metal anodes

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Article information

DOI
https://doi.org/10.1039/D5CC03176A
Article type
Communication
Submitted
04 Jun 2025
Accepted
09 Jul 2025
First published
19 Aug 2025
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2025, Advance Article

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Anion-tethered interface engineering enabling dendrite-free lithium metal anodes

L. Zuo, X. Fan, H. Yu, D. Lu, P. Xiao, X. Shi, C. Zheng and Y. Chen, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC03176A

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