Sn4P3-decorated 2D N-doped carbon nanosheets as efficient polysulfide barriers for Li–S batteries

Yawen Feng; Shunxian Yu; Xiaoxian Zhao; Junliang Xu; Zenghui Lin; Chuan Shi; Chaoyue Zhang; Shuangqiang Chen; Jianjun Song

doi:10.1039/D5CC02150B

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Sn₄P₃-decorated 2D N-doped carbon nanosheets as efficient polysulfide barriers for Li–S batteries†

Yawen Feng,‡^a Shunxian Yu,‡^a Xiaoxian Zhao,

*^b Junliang Xu,^a Zenghui Lin,^a Chuan Shi,

^a Chaoyue Zhang,*^c Shuangqiang Chen

^d and Jianjun Song

*^a

Author affiliations

* Corresponding authors

^a College of Physics, Qingdao University, Qingdao 266071, P. R. China
E-mail: Jianjun.song@qdu.edu.cn

^b Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, P. R. China
E-mail: lxzhxx@hebau.edu.cn

^c College of Mechanical and Electrical Engineering, Qingdao University, Qingdao 266071, P. R. China
E-mail: chaoyue3b229@163.com

^d Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, P. R. China

Abstract

The Sn₄P₃@NCS multifunctional separator suppresses polysulfide shuttling via van der Waals physical adsorption and Sn₄P₃/N-polar chemical anchoring, delivering a high discharge capacity of 1250 mA h g⁻¹ at 0.2C, and of 753 mA h g⁻¹ at 4C, and stable cycling performance under a sulfur loading of 3.8 mg cm⁻².

This article is part of the themed collections: Chemistry at the Forefront of the Sustainable Energy Transition and Chemical Communications HOT articles 2025

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Article information

DOI: https://doi.org/10.1039/D5CC02150B
Article type: Communication
Submitted: 25 Apr 2025
Accepted: 02 Jun 2025
First published: 04 Jun 2025

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Chem. Commun., 2025, Advance Article

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Sn₄P₃-decorated 2D N-doped carbon nanosheets as efficient polysulfide barriers for Li–S batteries

Y. Feng, S. Yu, X. Zhao, J. Xu, Z. Lin, C. Shi, C. Zhang, S. Chen and J. Song, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC02150B

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