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文章编号： 1672-6987（2023）06-0048-09； DOI： 10.16351/j.1672-6987.2023.06.005
纪晓阳， 邓晓燕*(青岛科技大学 环境与安全工程学院，山东 青岛 266042)
摘要： 通过水热法在泡沫铜基体上生长MoS2前驱体，并在合成过程中通过Co的加入，优化催化剂表面形貌。Co-MoP/MoS2/Cu为无定形态，催化剂纳米颗粒呈球形，表面具有密集的刺状突起。通过一系列表征手段，证明了Co的加入能有效改善MoP/MoS2/Cu的表面形貌，增加催化剂的比表面积，有利于催化剂与电解液的充分接触，提高催化剂的催化活性。电化学测试表明，在电流密度为10 mA·cm-2时，过电位为60 mV，具有良好的电催化析氢活性。在大电流密度下具有良好的稳定性，在300 mA·cm-2的电流密度下连续工作24 h后，性能无明显下降，能更好地满足工业化的要求。
关键词： 磷化钼； 二硫化钼； 自支撑电极； 析氢反应
中图分类号： O 646.51文献标志码： A
引用格式： 纪晓阳， 邓晓燕. Co-MoP/MoS2/Cu的制备及其电催化析氢性能［J］. 青岛科技大学学报(自然科学版), 2023, 44（6）： 48-56.
JI Xiaoyang， DENG Xiaoyan. Synthesis of Co-MoP/MoS2/Cu and its electrocatalytic hydrogen evolution performance［J］. Journal of Qingdao University of Science and Technology（Natural Science Edition), 2023， 44（6）： 48-56.
Synthesis of Co-MoP/MoS2/Cu and Its Electrocatalytic
Hydrogen Evolution Performance
JI Xiaoyang, DENG Xiaoyan
(College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)
Abstract: In this paper, the MoS2 precursor was grown on the foamed copper substrate by a hydrothermal method, and the catalyst surface morphology was optimized by the addition of Co during the synthesis process. Co-MoP/MoS2/Cu is amorphous, and the catalyst nanoparticles are spherical with dense thorn-like protrusions on the surface. Through a series of characterization methods, it is proved that the addition of Co can effectively improve the surface morphology of MoP/MoS2/Cu and increase the specific surface area of the electrode, which is conducive to the full contact between the catalyst and the electrolyte and improves the catalytic activity of the catalyst. Electrochemical tests show that when the current density is 10 mA·cm-2, the overpotential is 60 mV, and it has good electrocatalytic hydrogen evolution activity. It has good stability under high current density. After 24 h of continuous operation under the current density of 300 mA·cm-2, the performance does not decrease significantly, which can better meet the requirements of industrialization.
Key words: molybdenum phosphide; molybdenum disulfide; self-supporting electrode; hydrogen evolution reaction
收稿日期： 2022-11-13
基金项目： 山东省自然科学基金项目(ZR2021MB049).
作者简介： 纪晓阳(1996-)，男，硕士研究生. *通信联系人.
