超低量Ru在FeCo-MOF/NF上电沉积以提高制氢和甲醇电重整性能

IF 4.3 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Physics and Chemistry of Solids Pub Date : 2025-06-17 DOI:10.1016/j.jpcs.2025.112957

Kexin Zhu , Qianqian Lei , Ruiling Hu , Lei Zuo , Jianguo Lv , Hai Yu , Min Zhao , Congrong Wang , Miao Zhang , Lei Yang

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引用次数: 0

摘要

本文采用电沉积技术将超低钌负载到水热法制备的FeCo-MOF/NF上。Ru-FeCo-MOF /NF具有多孔多孔结构。能谱（EDS）元素映射和x射线光电子能谱（XPS）结果证实，超低量的Ru成功掺杂到Ru - feco - mof /NF中。在氢氧化钾（1 M）和甲醇（5 M）溶液中，当电流密度为10 mA cm−2时，Ru - feco - mof /NF的析氢反应和甲醇氧化反应的过电位分别为98 mV和77.5 mV，具有极低的Ru掺杂、小的电荷转移电阻和最佳的反应动力学特性。基于优异的MOR和HER活性，Ru-FeCo-MOF /NF作为双功能催化剂在水电解制氢领域具有重要的应用前景。

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Electrodeposition of ultra-low amount of Ru on FeCo-MOF/NF to enhance hydrogen production and methanol electroreforming performance

In this paper, using electrodeposition technology to load ultra-low Ru onto FeCo-MOF/NF prepared by hydrothermal method. The Ru–FeCo-MOF/NF exhibits a porous morphology with numerous voids. Energy dispersive spectroscopy (EDS) elemental mapping and X-ray photoelectron spectroscopy (XPS) results confirmed that ultra-low amount of Ru was successfully doped into Ru–FeCo-MOF/NF. Benefiting from ultra-low Ru doping, small charge-transfer resistance and best reaction kinetics, the Ru–FeCo-MOF/NF exhibits small overpotential of 98 mV toward hydrogen evolution reaction (HER) and 77.5 mV toward methanol oxidation reaction (MOR) at current density of 10 mA cm⁻² in potassium hydroxide (1 M) with methanol (5 M) solution. Based on excellent MOR and HER activity, Ru–FeCo-MOF/NF as a bifunctional catalyst has important application prospects in the field of hydrogen production by electrolysis of water.

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来源期刊

Journal of Physics and Chemistry of Solids 工程技术-化学综合

CiteScore

7.80

自引率

2.50%

发文量

605

审稿时长

40 days

期刊介绍： The Journal of Physics and Chemistry of Solids is a well-established international medium for publication of archival research in condensed matter and materials sciences. Areas of interest broadly include experimental and theoretical research on electronic, magnetic, spectroscopic and structural properties as well as the statistical mechanics and thermodynamics of materials. The focus is on gaining physical and chemical insight into the properties and potential applications of condensed matter systems. Within the broad scope of the journal, beyond regular contributions, the editors have identified submissions in the following areas of physics and chemistry of solids to be of special current interest to the journal: Low-dimensional systems Exotic states of quantum electron matter including topological phases Energy conversion and storage Interfaces, nanoparticles and catalysts.