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Novel VS4 Nanorods Synthesized by a Facile Solvothermal Method for High Performance Electrochemical Capacitor Electrode

  • Jun-Kai Feng
  • Jie Huang
  • Hong-Yi LiEmail author
  • Bing Xie
Conference paper
  • 114 Downloads
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

Transiontion-metal chalcogenides (TMCs) have attracted increasing attention in electrochemical energy storage over recent years. As an important member of the TMC family, VS4 has many intriguing chemical and physical properties benefited from the peculiar crystallographic structure. Herein, novel VS4 nanorods with a diameter of 30–100 nm were successfully synthesized by a facile solvothermal method, which showed a tremendous specific capacitance of 617 F/g at 0.4 A/g in a solution of 1 M LiNO3 using a three-electrode system. The obtained energy density was as high as 55 Wh/kg, which was much higher than those of many other symmetrical supercapacitors. Most remarkably, the capacity retention of 87.5% was achieved even after 1500 cycles at a current density of 3 A/g. The results infer that the material has the potential to be used as a high performance supercapacitor electrode.

Keywords

Electrochemical capacitor VS4 Nanorods Solvothermal 

Notes

Acknowledgements

This work was financially supported by National Natural Science Foundation of China (Nos. 51474041, 51674051), and Fundamental Research Funds for the Central Universities of China (106112015CDJZR465505, cqu2017hbrc1B08).

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Copyright information

© The Minerals, Metals & Materials Society 2020

Authors and Affiliations

  • Jun-Kai Feng
    • 1
    • 2
  • Jie Huang
    • 1
    • 2
  • Hong-Yi Li
    • 1
    • 2
    Email author
  • Bing Xie
    • 1
    • 2
  1. 1.College of Materials Science and EngineeringChongqing UniversityChongqingChina
  2. 2.Chongqing Key Laboratory of Vanadium-Titanium Metallurgy and New MaterialsChongqingChina

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