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Abstract <p>Metal-free N, O double-dop catalysts play an important role in oxygen reduction reactions. However, there is no N, O double-doped metal-free oxygen reduction reactions (ORR) catalyst driven by COF. Herein, a novel metal-free electrocatalyst with N and O doped for oxygen reduction was prepared by JUC‑626 as a precursor and carbonized at high temperature under the protection of N<sub>2</sub> atmosphere, and its catalytic activity at different carbonization temperatures was explored. Among them, JUC-626-600 exhibits excellent oxygen reduction activity, and it exhibits a half-wave potential of up to 0.70 V at 0.1 M KOH. This work reveals the importance of NO heterogeneous catalysts with metal-free COF as precursors.</p>

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Synthesis and ORR Performance of COF-Driven N, O Double-Doped Metal-Free Catalysts

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • Fengjuan Ge,
  • Jie Zhu,
  • Yan Xu,
  • Chunling Shi

摘要

Abstract

Metal-free N, O double-dop catalysts play an important role in oxygen reduction reactions. However, there is no N, O double-doped metal-free oxygen reduction reactions (ORR) catalyst driven by COF. Herein, a novel metal-free electrocatalyst with N and O doped for oxygen reduction was prepared by JUC‑626 as a precursor and carbonized at high temperature under the protection of N2 atmosphere, and its catalytic activity at different carbonization temperatures was explored. Among them, JUC-626-600 exhibits excellent oxygen reduction activity, and it exhibits a half-wave potential of up to 0.70 V at 0.1 M KOH. This work reveals the importance of NO heterogeneous catalysts with metal-free COF as precursors.