From the journal:

Chemical Communications

Balancing sodiophilicity and mechanical stability: Sn-engineered multicomponent alloy interfaces for anode-free sodium metal batteries

Yuju Qi, ORCID logo a   Zewei Hu, ORCID logo a   Haiying Lu,a   Zhenwei Tang,a   Jiayao Wang,a   Chao Hanb  and  Weijie Li*a  

* Corresponding authors

a Powder Metallurgy Research Institute, Central South University, Changsha, China
E-mail: li-306@csu.edu.cn

b School of Materials Sciences and Engineering, Central South University, Changsha, China

Abstract

Sodium-ion batteries have limited energy density. Anode-free sodium metal batteries (AFSMBs) maximize it but face dendrites and Na loss. We develop multicomponent alloy/CNT current collectors (MA-Snx) with tuned Sn to balance sodiophilicity and volume change, enabling 2500 h symmetric cycling and durable AFSMB full cells.

Graphical abstract: Balancing sodiophilicity and mechanical stability: Sn-engineered multicomponent alloy interfaces for anode-free sodium metal batteries

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Article information

DOI
https://doi.org/10.1039/D6CC01418F
Article type
Communication
Submitted
09 Mar 2026
Accepted
30 Apr 2026
First published
20 May 2026

Chem. Commun., 2026, Advance Article

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Balancing sodiophilicity and mechanical stability: Sn-engineered multicomponent alloy interfaces for anode-free sodium metal batteries

Y. Qi, Z. Hu, H. Lu, Z. Tang, J. Wang, C. Han and W. Li, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01418F

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