泡沫镍负载二硫化钼复合材料电催化析氢性能研究
Nickel Foam Supported MoS2 Composites for Electrocatalytic Hydrogen Evolution
DOI: 10.12677/HJCET.2022.124035, PDF,  被引量    科研立项经费支持
作者: 杨 苗, 刘志微：太原工业学院化学与化工系，山西 太原；李 攀*：太原工业学院环境与安全工程系，山西 太原
关键词: 二硫化钼；电催化；析氢反应；Molybdenum Disulfide； Electrocatalysis； Hydrogen Evolution Reaction
摘要: 本文采用溶剂热法合成泡沫镍负载二硫化钼电催化析氢材料。研究结果表明，当反应时间为5小时，MoS2量子点用量为4 mL时复合材料表现出最佳的电催化析氢性能。该复合材料在1 mol/L KOH电解液中进行电解，电流密度为10 mA/cm2时所对应的过电位值为269 mV，塔菲尔斜率为192 mV/dec。经过12个小时稳定性测试，电流密度基本保持不变，表现出较好的稳定性。泡沫镍基底与二硫化钼二者协同作用提升了其在碱性环境中的电催化析氢性能与稳定性。
Abstract: In this paper, molybdenum disulfide was loaded on nickel foam (MoS2/NF) by solvothermal method. The electrochemical performance of MoS2/NF for hydrogen evolution reaction (HER) was measured under different time and concentration conditions, among which the catalysts prepared with 4 mL MoS2 quantum dots under 5 h reaction time exhibited the best electrocatalytic performance. The overpotential was 269 mV and Tafel slope was 192 mV/dec at the current density of 10 mA/cm2 in 1 mol/L KOH. Especially, it maintains stable for 12 hour long-term. The synergistic effect between molybdenum disulfide and nickel foam contributes to the better HER performance and stability in alkaline condition.
文章引用：杨苗, 刘志微, 李攀. 泡沫镍负载二硫化钼复合材料电催化析氢性能研究[J]. 化学工程与技术, 2022, 12(4): 263-268. https://doi.org/10.12677/HJCET.2022.124035

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