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<p>Covalent organic frameworks (COFs) are revolutionizing cathode materials&#xa0;for beyond-lithium-ion batteries, leveraging their tunable porosity, modular architecture, and redox-active sites to overcome challenges in the storing alkali metal ions (Na<sup>+</sup> and K<sup>+</sup>) and high-valent metal ions (Zn<sup>2+</sup>, Ca<sup>2+</sup>, Al<sup>3+</sup>, Mg<sup>2+</sup>, etc.) for electrochemical energy storage. Their unique crystal structure, molecular designability, and storage mechanism enable high specific capacity, low diffusion energy barrier, and structural stability when storing large-radius charge carriers. This review highlights recent advancements in COFs for applications beyond lithium-ion batteries, emphasizing performance optimization methodologies for next-generation cathode materials.</p>

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Covalent organic framework-based cathodes for beyond lithium-ion batteries

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年4月21日

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  • Suleman Suleman,
  • Xiaolong Cheng,
  • Muhua Gu,
  • Yoonseob Kim

摘要

Covalent organic frameworks (COFs) are revolutionizing cathode materials for beyond-lithium-ion batteries, leveraging their tunable porosity, modular architecture, and redox-active sites to overcome challenges in the storing alkali metal ions (Na+ and K+) and high-valent metal ions (Zn2+, Ca2+, Al3+, Mg2+, etc.) for electrochemical energy storage. Their unique crystal structure, molecular designability, and storage mechanism enable high specific capacity, low diffusion energy barrier, and structural stability when storing large-radius charge carriers. This review highlights recent advancements in COFs for applications beyond lithium-ion batteries, emphasizing performance optimization methodologies for next-generation cathode materials.