| 朱得智,徐京城.FeS@NiMoO4异质结构筑及电催化析氢性能研究[J].有色金属材料与工程,2024,45(6):60-67,74. |
| FeS@NiMoO4异质结构筑及电催化析氢性能研究 |
| Exploring electrocatalytic hydrogen evolution performance of FeS@NiMoO4 heterojunction |
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| DOI：10.13258/j.cnki.nmme.20240306001 |
| 中文关键词: 异质结构 电催化析氢 FeS@NiMoO4 |
| 英文关键词:heterojunction electrocatalytic hydrogen evolution FeS@NiMoO4 |
| 基金项目:东方科软（北京）科技有限公司横向项目（H-2023-369-039） |
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| 中文摘要: |
| 通过两步水热法成功构建FeS@NiMoO4异质结构电催化剂。用FeS纳米片修饰NiMoO4纳米棒时能提供更大的比表面积，暴露更多的活性位点。FeS@NiMoO4形成的异质界面，提供快速的电荷传输通道，从而实现优异的电催化析氢性能。利用X射线衍射仪、X射线光电子能谱仪、扫描电子显微镜、透射电子显微镜对材料的组成和形貌进行表征，通过电化学工作站进行电化学性能表征。10 mA/cm2电流密度下，FeS@NiMoO4的析氢过电势为151 mV，Tafel斜率为110 mV/dec,并表现出良好的稳定性，具有优异的电催化析氢性能。 |
| 英文摘要: |
| A FeS@NiMoO4 heterostructure electrocatalyst was successfully fabricated using a two-step hydrothermal method. NiMoO4 nanorods modified by FeS nanosheets can provide a larger specific surface area, exposing more active sites. The hetero-interface formed by FeS@NiMoO4 offers fast charge transfer channels, thereby achieving excellent electrocatalytic hydrogen evolution performance. The composition and morphology of the materials were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron microscopy. The electrochemical properties were characterized using an electrochemical workstation. At a current density of 10 mA/cm2, the FeS@NiMoO4 exhibits a hydrogen evolution overpotential of 151 mV, a Tafel slope of 110 mV/dec, and good stability, demonstrating outstanding electrocatalytic hydrogen evolution performance. |
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