水热法制备Ti3C2@VS2/S阴极材料及其在镁硫电池中的应用

doi:10.11896/cldb.25030093

材料导报

2026, Vol. 40

Issue (4): 25030093-7 https://doi.org/10.11896/cldb.25030093

无机非金属及其复合材料

水热法制备Ti₃C₂@VS₂/S阴极材料及其在镁硫电池中的应用

葛佳音^†, 寇准升^†, 闫晓燕^*, 张晓华, 赵新新, 郭锦

太原科技大学材料科学与工程学院,太原 030024

Hydrothermal Synthesis of Ti₃C₂@VS₂/S Composite Cathode for Magnesium-Sulfur Batteries

GE Jiayin^†, KOU Zhunsheng^†, YAN Xiaoyan^*, ZHANG Xiaohua, ZHAO Xinxin, GUO Jin

School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China

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摘要为契合可持续发展能源需求,镁硫电池作为新型高能储能体系备受关注。本工作通过水热法成功构建了Ti₃C₂@VS₂/S复合材料作为镁硫电池的阴极,并通过电化学测试等方法系统评估了其性能。该材料在不同倍率条件下展现出优异的容量保持能力,在0.1C、0.2C、0.5C、1C、2C、5C下的初始放电比容量分别为1 246.3 mAh·g^-1、1 094.1 mAh·g^-1、978.1 mAh·g^-1、844.2 mAh·g^-1、568.3 mAh·g^-1、289.6 mAh·g^-1;当倍率重新恢复至0.1C时,放电比容量仍稳定在1 175.2 mAh·g^-1,容量保持率达76.3%,且循环过程中容量衰减率也较低,为0.21%。本工作的结果为镁硫电池阴极材料的界面优化与动力学提升提供了重要实验依据。

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关键词: 镁硫电池 Ti₃C₂ Ti₃C₂@VS₂/S 水热法电化学性能

Abstract: In response to the growing demand for sustainable energy sources, magnesium-sulfur batteries(MSBs), as a novel high-energy storage system, have garnered significant attention. In this work, a Ti₃C₂@VS₂/S composite material was successfully synthesized via a hydrothermal method and employed as the cathode material for MSBs. The performance of this composite was systematically evaluated using various electrochemical testing methods. The electrochemical test results demonstrated that the Ti₃C₂@VS₂/S-2 cathode exhibits excellent capacity retention capabilities under different current rates. Specifically, at current densities of 0.1C, 0.2C, 0.5C, 1C, 2C, and 5C, the initial specific discharge capacities were 1 246.3 mAh·g^-1, 1 094.1 mAh·g^-1, 978.1 mAh·g^-1, 844.2 mAh·g^-1, 568.3 mAh·g^-1, and 289.6 mAh·g^-1, respectively. Notably, when the current rate was restored to 0.1C, the specific discharge capacity remained stable at 1 175.2 mAh·g^-1, achieving a capacity retention rate of 76.3%. Additionally, the capacity decay rate during the cycling process was remarkably low, at only 0.21%. The fin-dings of this work provide crucial experimental evidence for the optimization of the interfacial properties and enhancement of the kinetic perfor-mance of cathode materials in MSBs, paving the way for the development of more efficient and stable MSBs systems.

Key words: magnesium-sulfur batteries (MSBs) Ti₃C₂ Ti₃C₂@VS₂/S hydrothermal method electrochemical performance

出版日期: 2026-02-25 发布日期: 2026-02-13

ZTFLH:

TQ152

基金资助: 山西省基础研究计划(202203021221157);山西省高等学校大学生创新创业训练计划(20240798)

通讯作者: * 闫晓燕,博士,太原科技大学材料科学与工程学院教授、硕士研究生导师。目前主要研究新能源材料、新型碳材料等。yanxiaoyan@tyust.edu.cn

作者简介: †共同第一作者
葛佳音,太原科技大学材料科学与工程学院硕士研究生,在闫晓燕教授的指导下研究镁硫电池正极材料。
寇准升,太原科技大学材料科学与工程学院本科生,在闫晓燕教授的指导下研究镁硫电池。

引用本文:

葛佳音, 寇准升, 闫晓燕, 张晓华, 赵新新, 郭锦. 水热法制备Ti₃C₂@VS₂/S阴极材料及其在镁硫电池中的应用[J]. 材料导报, 2026, 40(4): 25030093-7.
GE Jiayin, KOU Zhunsheng, YAN Xiaoyan, ZHANG Xiaohua, ZHAO Xinxin, GUO Jin. Hydrothermal Synthesis of Ti₃C₂@VS₂/S Composite Cathode for Magnesium-Sulfur Batteries. Materials Reports, 2026, 40(4): 25030093-7.

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https://www.mater-rep.com/CN/10.11896/cldb.25030093 或 https://www.mater-rep.com/CN/Y2026/V40/I4/25030093

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