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

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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

Published: 25 February 2026 Online: 2026-02-13

CLC number:

TQ152

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	Articles by authors
	GE Jiayin
	KOU Zhunsheng
	YAN Xiaoyan
	ZHANG Xiaohua
	ZHAO Xinxin
	GUO Jin

Cite this article:

GE Jiayin,KOU Zhunsheng,YAN Xiaoyan, et al. Hydrothermal Synthesis of Ti₃C₂@VS₂/S Composite Cathode for Magnesium-Sulfur Batteries[J]. Materials Reports, 2026, 40(4): 25030093-7.

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https://www.mater-rep.com/EN/10.11896/cldb.25030093 OR https://www.mater-rep.com/EN/Y2026/V40/I4/25030093

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