Highly Active Electrocatalyst based on Ultra-low Loading of Ruthenium Supported on Titanium Carbide for Alkaline Hydrogen Evolution Reaction

IF 2.2 4区 工程技术 Q3 ELECTROCHEMISTRY Journal of electrochemical science and technology Pub Date : 2022-09-14 DOI:10.33961/jecst.2022.00178
Jung-Hyeun Kim, Sang‐Mun Jung, Kyu-Su Kim, Sang-Hoon You, Byung-Jo Lee, Yong‐Tae Kim
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引用次数: 1

Abstract

With the emerging importance of catalysts for water electrolysis, developing efficient and inexpensive electrocatalysts for water electrolysis plays a vital role in renewable hydrogen energy technology. In this study, a 1nm thickness of TiC-sup-ported Ru catalyst for hydrogen evolution reaction (HER) has been successfully fabricated using an electron (E)-beam evaporator and thermal decomposition of gaseous CH 4 in a furnace. The prepared Ru/TiC catalyst exhibited an outstanding performance for alkaline hydrogen evolution reaction with an overpotential of 55 mV at 10 mA cm -2 . Furthermore, we demonstrated that the outstanding HER performance of Ru/TiC was attributed to the high surface area of the support and the metal-support interaction.
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碳化钛负载钌超低负荷高活性碱性析氢电催化剂
随着水电解催化剂的重要性日益显现,开发高效、廉价的水电解电催化剂在可再生氢能技术中发挥着至关重要的作用。在本研究中,使用电子束蒸发器和在炉中热分解气态CH4,成功地制备了用于析氢反应(HER)的1nm厚度的TiC负载Ru催化剂。所制备的Ru/TiC催化剂在10mAcm-2下的过电位为55mV,在碱性析氢反应中表现出优异的性能。此外,我们证明了Ru/TiC优异的HER性能归因于载体的高表面积和金属-载体的相互作用。
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来源期刊
CiteScore
6.30
自引率
8.10%
发文量
44
期刊介绍: Covering fields: - Batteries and Energy Storage - Biological Electrochemistry - Corrosion Science and Technology - Electroanalytical Chemistry and Sensor Technology - Electrocatalysis - Electrochemical Capacitors & Supercapcitors - Electrochemical Engineering - Electrodeposition and Surface Treatment - Environmental Science and Technology - Fuel Cells - Material Electrochemistry - Molecular Electrochemistry and Organic Electrochemistry - Physical Electrochemistry - Solar Energy Conversion and Photoelectrochemistry
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