氮掺杂分级多孔碳锚定钴原子高效酸性电合成过氧化氢

doi:10.61558/2993-074X.3620

电化学（中英文） ›› 2026, Vol. 32 ›› Issue (9): 2604091. doi: 10.61558/2993-074X.3620

氮掺杂分级多孔碳锚定钴原子高效酸性电合成过氧化氢

黄晓^a^,^c, 战梓昊^a, 牛浩旭^a, 罗官宇^b, 黄劲陶^b, 靳博暄^b, 王得丽^b^,^*()()

^a 武汉工程大学，磷矿及其共伴生资源绿色高效开发利用全国重点实验室，化学与环境工程学院，湖北武汉 430205
^b 华中科技大学，能量转换与存储材料化学教育部重点实验室，材料化学与服役失效湖北省重点实验室，化学与化工学院，湖北武汉 430074
^c 黄冈师范学院，催化材料制备及应用湖北省重点实验室，化学化工学院，湖北黄冈 438000

收稿日期:2026-04-08 修回日期:2026-05-25 接受日期:2026-06-11 发布日期:2026-06-11 出版日期:2026-09-28

Efficient Acidic H₂O₂ Electrosynthesis over Co Atoms Anchored on Nitrogen-Doped Hierarchical Porous Carbon

Xiao Huang^a^,^c, Zihao Zhan^a, Hao-Xu Niu^a, Guan-Yu Luo^b, Jin-Tao Huang^b, Bo-Xuan Jin^b, De-Li Wang^b^,^*()()

^a State Key Laboratory of Green and Efficient Development of Phosphorus Resources, School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
^b Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China
^c Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang 438000, China

Received:2026-04-08 Revised:2026-05-25 Accepted:2026-06-11 Online:2026-06-11 Published:2026-09-28
Contact: *De-Li Wang, Email address: wangdl81125@hust.edu.cn
About author:Author Contributions
Xiao-Huang: Writing-original draft, Investigation, Data curation, Validation, Conceptualization. Zi-Hao Zhan: Investigation, Data curation. Hao-Xu Niu: Investigation, Data curation. Guan-Yu Luo: Investigation, Data curation, Validation. Jin-Tao Huang: Investigation, Data curation, Validation. Bo-Xuan Jin: Investigation, Data curation. De-Li Wang: Supervision, Writing-Conceptualization, Review.

1. 2604091SI.pdf(7159KB)

摘要/Abstract

摘要：

双电子氧还原反应（2e^- ORR）为过氧化氢的现场制备提供了一条有前景的途径，可作为高能耗蒽醌工艺的绿色替代方案。然而，在目标2e^-路径上，竞争性的4e^- ORR具有较高选择性，导致过氧化氢的法拉第效率偏低，这成为催化剂设计中的一个关键挑战。本文构建了一种锚定有钴（Co）原子的氮掺杂中空分级多孔碳材料（Co-N/HPC），用于高性能过氧化氢电合成。该Co-N/HPC催化剂展现出优异的2e^- ORR性能，在0.4 V（vs. RHE）的施加电位下，过氧化氢选择性接近100%。此外，原位生成的过氧化氢在降解有机污染物方面表现出高效性，展示了该材料在环境修复中的双功能特性。物理表征与模拟计算证实，性能的提升归因于独特的分级结构，该结构促进了电解质的快速扩散并提高了过氧化氢选择性。本研究为设计集高效过氧化氢生产与直接应用为一体的先进电催化剂开辟了新途径。

关键词: 氧化还原反应, 过氧化氢, 电合成, 氮掺杂碳, 分级结构

Abstract:

The two-electron oxygen reduction reaction (2e^- ORR) presents a promising route for the on-site production of hydrogen peroxide (H₂O₂), offering a green alternative to energy-consuming anthraquinone process. However, the high selectivity toward the competing 4e^- ORR over the desired 2e^- pathway leads to low Faradaic efficiency for H₂O₂, posing a critical challenge in catalyst design. In this work, a nitrogen-doped hollow hierarchical porous carbon with anchored Co atoms (Co-N/HPC) was constructed for high-performance H₂O₂ production. The as-prepared Co-N/HPC catalyst showed excellent 2e^- ORR performance, achieving an H₂O₂ selectivity approaching 100% at an applied potential of 0.4 V (vs. RHE). Moreover, the in-situ generated H₂O₂ proved highly effective in degrading organic pollutants, showcasing a dual-functionality for environmental remediation. Physical characterizations and simulations confirmed that the enhanced performance is attributed to the unique hierarchical structure, which facilitates fast electrolyte diffusion and boosts H₂O₂ selectivity. This work opens a new avenue for the design of advanced electrocatalysts that integrate efficient H₂O₂ production with direct application.

Key words: Oxygen reduction reaction, Hydrogen peroxide, Electrosynthesis, Nitrogen-doped carbon, Hierarchical structure

黄晓, 战梓昊, 牛浩旭, 罗官宇, 黄劲陶, 靳博暄, 王得丽. 氮掺杂分级多孔碳锚定钴原子高效酸性电合成过氧化氢[J]. 电化学（中英文）, 2026, 32(9): 2604091.

Xiao Huang, Zihao Zhan, Hao-Xu Niu, Guan-Yu Luo, Jin-Tao Huang, Bo-Xuan Jin, De-Li Wang. Efficient Acidic H₂O₂ Electrosynthesis over Co Atoms Anchored on Nitrogen-Doped Hierarchical Porous Carbon[J]. Journal of Electrochemistry, 2026, 32(9): 2604091.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.3620

https://electrochem.xmu.edu.cn/CN/Y2026/V32/I9/2604091

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氮掺杂分级多孔碳锚定钴原子高效酸性电合成过氧化氢

Efficient Acidic H₂O₂ Electrosynthesis over Co Atoms Anchored on Nitrogen-Doped Hierarchical Porous Carbon

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氮掺杂分级多孔碳锚定钴原子高效酸性电合成过氧化氢

Efficient Acidic H2O2 Electrosynthesis over Co Atoms Anchored on Nitrogen-Doped Hierarchical Porous Carbon

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Efficient Acidic H₂O₂ Electrosynthesis over Co Atoms Anchored on Nitrogen-Doped Hierarchical Porous Carbon