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<p>Carbon-coated Zn₃Mo₂O₉ (ZMOC) nanosheets were successfully synthesized using sucrose as the carbon source via a two-step ball milling and calcination process. In comparison to pure Zn₃Mo₂O₉ (ZMO), the ZMOC composite demonstrated markedly enhanced electrochemical performance. After 400 cycles at a current density of 300&#xa0;mA&#xa0;g⁻<sup>1</sup>, the ZMOC composite retained a charge capacity of 114 mAh g⁻<sup>1</sup>, whereas the ZMO electrode exhibited only 85 mAh g⁻<sup>1</sup> under identical conditions. These results clearly indicate that an appropriate carbon coating layer can substantially reduce the charge transfer resistance of the ZMO electrode while facilitating ion transport and Li-ion diffusion, thereby providing an effective strategy for improving the electrochemical properties of ZMO.</p>

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Boosting lithium storage performance of Zn3Mo2O9 via a simple carbon coating strategy for high-capacity Li-ion batteries

  • 期刊论文

  • 发表日期：

    2025年8月10日

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  • Feilong Li,
  • Jian Liu,
  • Guochen Bian,
  • Quanhong Tao,
  • Mengcheng Han,
  • Konglin Wu

摘要

Carbon-coated Zn₃Mo₂O₉ (ZMOC) nanosheets were successfully synthesized using sucrose as the carbon source via a two-step ball milling and calcination process. In comparison to pure Zn₃Mo₂O₉ (ZMO), the ZMOC composite demonstrated markedly enhanced electrochemical performance. After 400 cycles at a current density of 300 mA g⁻1, the ZMOC composite retained a charge capacity of 114 mAh g⁻1, whereas the ZMO electrode exhibited only 85 mAh g⁻1 under identical conditions. These results clearly indicate that an appropriate carbon coating layer can substantially reduce the charge transfer resistance of the ZMO electrode while facilitating ion transport and Li-ion diffusion, thereby providing an effective strategy for improving the electrochemical properties of ZMO.