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[1]毛惠东,李 芳,覃远航*.Fe-Co-N-C氧还原催化剂的制备及性能[J].武汉工程大学学报,2023,45(02):148-155.[doi:10.19843/j.cnki.CN42-1779/TQ.202204026]
　MAO Huidong,LI Fang,QIN Yuanhang*.Synthesis and Properties of Fe-Co-N-C Catalysts forOxygen Reduction Reaction[J].Journal of Wuhan Institute of Technology,2023,45(02):148-155.[doi:10.19843/j.cnki.CN42-1779/TQ.202204026]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年02期
页码:
148-155
栏目:
化学与化学工程
出版日期:
2023-04-30

文章信息/Info

Title:
Synthesis and Properties of Fe-Co-N-C Catalysts for
Oxygen Reduction Reaction
文章编号:
1674 - 2869（2023）02 - 0148 - 08
作者:
毛惠东; 李 芳; 覃远航*
武汉工程大学化工与制药学院，绿色化工过程教育部重点实验室（武汉工程大学），
新型反应器与绿色化学工艺湖北省重点实验室（武汉工程大学），湖北 武汉 430205
Author(s):
MAO Huidong;  LI Fang;  QIN Yuanhang*
School of Chemical Engineering and Pharmacy， Wuhan Institute of Technology； Key Laboratory of Green Chemical
Engineering Process （Wuhan Institute of Technology）， Ministry of Education ； Hubei key Laboratory of Novel Reactor and Green Chemical Technology （Wuhan Institute of Technology）， Wuhan 430205， China

关键词:
氧还原反应; 非贵金属催化剂; 沸石咪唑酯骨架材料; 质子交换膜燃料电池
Keywords:
oxygen reduction reaction;  non-noble metal catalyst;  zeolitic imidazolate frameworks materials;  proton exchange membrane fuel cell

分类号:
TM911.4
DOI:
10.19843/j.cnki.CN42-1779/TQ.202204026
文献标志码:
A
摘要:
为了提高氮掺杂碳（N-C）材料的氧还原性能，采用后吸附法基于可在高温炭化过程中形成富缺陷碳材料及均匀分散的高活性M-Nx位点的沸石咪唑酯骨架-8衍生制备了Fe-Co-N-C催化剂。电化学测试结果表明采用150 mg Co-N-C催化剂吸附0.07 mmol Fe制备的Fe-Co-N-C催化剂在0.1 mol/L HClO4中具有较高的半波电位（0.843 V vs. RHE）和较低的过氧化氢产率（< 4%）。物性表征结果表明Fe-Co-N-C催化剂的优异氧还原活性可归因于其双金属活性位点（Fe/Co-Nx）、丰富的微/介孔结构、较高的石墨化程度以及Fe/Fe3C和Fe-Nx的共同作用。

Abstract:
To improve the oxygen reduction performance of nitrogen-doped carbon （N-C） material， a post-adsorption method was used based on zeolite imidazolate framework-8 （ZIF-8） that can form defect-rich carbon materials and uniformly dispersed and highly active M-Nx sites during high-temperature carbonization，and ZIF-8-derived Fe-Co-N-C catalysts were synthesized. Electrochemical characterizations show that the Fe-Co-N-C catalyst derived from 150 mg of Co-N-C adsorbing 0.07 mmol of Fe（acac）3 has the largest half wave potential of 0.843 V vs. oxygen reduction reaction in 0.1 mol/L of HClO4， and a low hydrogen peroxide yield （< 4%）. Physicochemical characterization indicates that the high oxygen reduction reaction activity of Fe-Co-N-C can be attributed to its bimetallic active site （Fe/Co-Nx）， rich micro/mesoporous structure， high degree of graphitization， and the collective effect of Fe/Fe3C and Fe-Nx.

参考文献/References:

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相似文献/References:

[1]罗海彬,曹庆成,覃远航*.Co掺杂ZIF-8衍生合成高效Co-N-C氧还原催化剂的研究[J].武汉工程大学学报,2023,45(01):35.[doi:10.19843/j.cnki.CN42-1779/TQ.202204025]
　LUO Haibin,CAO Qincheng,QIN Yuanhang*.Cobalt-Doped ZIF-8-Derived High-Performance Co-N-COxygen Reduction Catalyst[J].Journal of Wuhan Institute of Technology,2023,45(02):35.[doi:10.19843/j.cnki.CN42-1779/TQ.202204025]

备注/Memo

备注/Memo:
收稿日期：2022-04-27
基金项目：国家自然科学基金（21306144）
作者简介：毛惠东，硕士研究生。E-mail：[email protected]
*通讯作者：覃远航，博士，教授。E-mail：[email protected]
引文格式：毛惠东，李芳，覃远航. Fe-Co-N-C氧还原催化剂的制备及性能［J］. 武汉工程大学学报，2023，45（2）：148-155.

更新日期/Last Update: 2023-05-04