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<p>V-doped SnO<sub>2</sub> was successfully synthesized via a typical solvothermal method using VO<sub>2</sub> and SnCl<sub>2</sub>·2H<sub>2</sub>O as raw materials. Different characterized techniques including XRD, XPS and SEM were used to investigate the structure and morphology of prepared samples. Meanwhile, the electrochemical performance of prepared samples was tested by means of battery comprehensive testing system. The cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to analyze the electrochemical reaction mechanism. The experimental results show that the suitable V-doped SnO<sub>2</sub> sample (VS-2) behaved the best electrochemical properties among all samples. The V-doped SnO<sub>2</sub> (VS-2) exhibited the best cycle stability and the highest rate performance among all samples. The possible reasons were presented in this work. The suitable V-doped SnO<sub>2</sub> sample (VS-2) is a promising anode material for lithium-ion battery application.</p>

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Synthesis and electrochemical properties of V-doped SnO2 anode materials

  • 期刊论文

  • 发表日期：

    2025年1月15日

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  • Caiyun Wu,
  • Jingyi Zeng,
  • Yao Xiao,
  • Chuanqi Feng

摘要

V-doped SnO2 was successfully synthesized via a typical solvothermal method using VO2 and SnCl2·2H2O as raw materials. Different characterized techniques including XRD, XPS and SEM were used to investigate the structure and morphology of prepared samples. Meanwhile, the electrochemical performance of prepared samples was tested by means of battery comprehensive testing system. The cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to analyze the electrochemical reaction mechanism. The experimental results show that the suitable V-doped SnO2 sample (VS-2) behaved the best electrochemical properties among all samples. The V-doped SnO2 (VS-2) exhibited the best cycle stability and the highest rate performance among all samples. The possible reasons were presented in this work. The suitable V-doped SnO2 sample (VS-2) is a promising anode material for lithium-ion battery application.