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<p>Novel NiCo<sub>2</sub>S<sub>4</sub> nanorod arrays are uniformly grown on carbon nanofibers (NiCo<sub>2</sub>S<sub>4</sub>@CNF) through a facile hydrothermal approach. The elaborate designed composite structure ensures that the NiCo<sub>2</sub>S<sub>4</sub> nanorods arrays are uniformly dispersed on the surfaces of carbon nanofibers (CNF) and tightly bonded with each other. Conductive networks of CNF facilitate the electron transport at the interfaces to readily react with NiCo<sub>2</sub>S<sub>4</sub>, thereby enhancing sodium storage. In view of this, NiCo<sub>2</sub>S<sub>4</sub>@CNF exhibits a high reversible capacity (683.6 mAh g<sup>−1</sup> at 0.1 A g<sup>−1</sup>) and excellent long-term cycling stability (with only a 0.07% capacity loss per cycle after 400 cycles). This work provides a simple and efficient strategy for synthesizing high-performance sodium-ion battery electrodes.</p>

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Novel NiCo2S4 nanorod arrays grown on carbon nanofibers as high-performance anodes for sodium-ion batteries

  • 期刊论文

  • 发表日期：

    2025年1月9日

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  • Xiaowei Yang,
  • Tongxiang Cai,
  • Zhongran Yao,
  • Guojie Chao

摘要

Novel NiCo2S4 nanorod arrays are uniformly grown on carbon nanofibers (NiCo2S4@CNF) through a facile hydrothermal approach. The elaborate designed composite structure ensures that the NiCo2S4 nanorods arrays are uniformly dispersed on the surfaces of carbon nanofibers (CNF) and tightly bonded with each other. Conductive networks of CNF facilitate the electron transport at the interfaces to readily react with NiCo2S4, thereby enhancing sodium storage. In view of this, NiCo2S4@CNF exhibits a high reversible capacity (683.6 mAh g−1 at 0.1 A g−1) and excellent long-term cycling stability (with only a 0.07% capacity loss per cycle after 400 cycles). This work provides a simple and efficient strategy for synthesizing high-performance sodium-ion battery electrodes.