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<p>This study focuses on the development and optimization of electrode materials composed of covalent organic frameworks (COFs) integrated with carbon nanotubes (CNTs) for lithium-ion battery applications. The findings reveal that incorporating CNTs into COFs markedly enhances their electrochemical performance by reducing charge transfer resistance and accelerating charge transport kinetics. Impressively, the COFs/CNT composites delivered a high specific capacity of 307 mAh·g<sup>−1</sup> at a low current density of 0.05 A·g<sup>−1</sup> and maintained strong capacity retention even at elevated current densities. Furthermore, the composites demonstrated outstanding cycling stability and structural robustness, retaining significant capacity after 1000 charge/discharge cycles.</p>

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Covalent Organic Framework/Carbon Nanotube Composites for Enhanced Lithium-ion Battery Performance

  • 期刊论文

  • 发表日期：

    2025年12月22日

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  • Yu Wu,
  • Hui Liu,
  • Jia-Heng Hou,
  • Qing-Yan Pan,
  • Nai-Xiu Ding,
  • Ying-Jie Zhao

摘要

This study focuses on the development and optimization of electrode materials composed of covalent organic frameworks (COFs) integrated with carbon nanotubes (CNTs) for lithium-ion battery applications. The findings reveal that incorporating CNTs into COFs markedly enhances their electrochemical performance by reducing charge transfer resistance and accelerating charge transport kinetics. Impressively, the COFs/CNT composites delivered a high specific capacity of 307 mAh·g−1 at a low current density of 0.05 A·g−1 and maintained strong capacity retention even at elevated current densities. Furthermore, the composites demonstrated outstanding cycling stability and structural robustness, retaining significant capacity after 1000 charge/discharge cycles.