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<p>This paper describes a one-step hydrothermal synthesis of the NVPOF-based composite cathode material using carbon nanotubes (CNTs). We investigate how the CNT content in the precursor solution affects the material's electrochemical performance. Tests in half- and full-cell configurations reveal stable electrochemical properties, even at low temperatures. The composite material delivers a high specific capacity of up to 115 mAh g<sup>−1</sup> and outstanding cycling stability, with just 0.2% degradation per cycle—performance comparable to that of corresponding materials made via longer or high-temperature methods.</p>

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One-pot hydrothermal preparation of Na3V2(PO4)2O2F/Carbon nanotube composite cathode for high-performance sodium-ion batteries

  • 期刊论文

  • 发表日期：

    2026年7月12日

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  • I. M. Gavrilin,
  • T. L. Kulova,
  • B. B. Nomozov,
  • E. V. Kovtushenko,
  • S. A. Li,
  • D. A. Dronova,
  • A. M. Skundin,
  • T. S. Grishin,
  • I. I. Tsiniaikin,
  • T. A. Goncharova,
  • A. V. Merkulov,
  • F. S. Napolskiy,
  • V. A. Krivchenko

摘要

This paper describes a one-step hydrothermal synthesis of the NVPOF-based composite cathode material using carbon nanotubes (CNTs). We investigate how the CNT content in the precursor solution affects the material's electrochemical performance. Tests in half- and full-cell configurations reveal stable electrochemical properties, even at low temperatures. The composite material delivers a high specific capacity of up to 115 mAh g−1 and outstanding cycling stability, with just 0.2% degradation per cycle—performance comparable to that of corresponding materials made via longer or high-temperature methods.