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<p>Sodium-ion batteries (SIBs) have garnered significant research interest due to the natural abundance of sodium reserves and their marked cost advantage for large-scale energy storage system deployment. In this study, N-doped MnO/C submicron particles(N-MnO/C) have been successfully prepared via a hydrothermal method and subsequent calcination in nitrogen gas (N<sub>2</sub>), and employed as an anode material for SIBs, the N-MnO/C electrode delivers a high reversible capacity of 130&#xa0;mA&#xa0;h&#xa0;g<sup>–1</sup> at 100&#xa0;mA&#xa0;g<sup>−1</sup> after 100 cycles, and long-term cycling performance of 43&#xa0;mA&#xa0;h&#xa0;g<sup>–1</sup> at 3 A g<sup>−1</sup> after 3000 cycles synchronized with ~ 100% coulombic efficiency, demonstrating the sample can be as a high-performance potential anode material for SIBs.</p>

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N-doped MnO/C submicron particles enabling long-cycle sodium-ion battery anodes

  • 期刊论文

  • 发表日期：

    2025年11月17日

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  • Wei Qiu,
  • Xian-Yinan Pei,
  • Fan Wang,
  • Hong-Sheng Huang,
  • Yuan-Xiang Fu

摘要

Sodium-ion batteries (SIBs) have garnered significant research interest due to the natural abundance of sodium reserves and their marked cost advantage for large-scale energy storage system deployment. In this study, N-doped MnO/C submicron particles(N-MnO/C) have been successfully prepared via a hydrothermal method and subsequent calcination in nitrogen gas (N2), and employed as an anode material for SIBs, the N-MnO/C electrode delivers a high reversible capacity of 130 mA h g–1 at 100 mA g−1 after 100 cycles, and long-term cycling performance of 43 mA h g–1 at 3 A g−1 after 3000 cycles synchronized with ~ 100% coulombic efficiency, demonstrating the sample can be as a high-performance potential anode material for SIBs.