基于MOF材料制备OER催化电极Mn2O3@NF的研究
Research on Preparation of OER Catalytic Electrode Mn2O3@NF Based on MOF Material
DOI: 10.12677/MS.2022.123021, PDF,  被引量   
作者: 吴 松, 王海人*：湖北大学材料科学与工程学院，湖北 武汉
关键词: MOF材料；氧化锰；电解水；催化性能；稳定性；MOF Material； Manganese Oxide； Electrolytic Water； Catalytic Performance； Stability
摘要: 有机金属框架材料具有较大比表面积，以其作为前驱体制备得到的金属氧化物通常具有丰富的微孔结构，有利于提高催化性能。本文以泡沫镍为载体，首先通过溶剂热法制备了Mn-MOF74@NF材料，再通过管式炉退火得到Mn2O3@NF材料，并研究了该催化材料在碱性介质中的催化析氧性能。结果表明镍电极表面成功负载了晶态纳米柱状氧化锰，具有巨大的比表面积，在析氧电流密度为10 mA/cm2过电位仅为220 mV，塔菲尔斜率72.1 mV/dec，且具有较好的稳定性，证明该材料具备良好的OER催化性能。
Abstract: MOF (metal-organic frame) material has a large specific surface area. The metal oxides prepared with MOF as precursor usually have rich microporous structure, which is conducive to improve the catalytic performance. In this paper, by using NF (foamed nickel) as carrier, Mn-MOF74@NF was prepared by solvothermal method, and then annealed in a tubular furnace to obtain Mn2O3@NF material. The OER catalytic performance of the catalytic material in alkaline medium was studied. The results show that crystalline nano columnar manganese oxide was successfully loaded on the surface of nickel electrode, which had a huge specific surface area. When the current density of oxygen evolution is 10 mA/cm2, the overpotential is only 220 mV, and the Tafel slope is 72.1 mV/dec. It is proved that the material has good OER catalytic performance.
文章引用：吴松, 王海人. 基于MOF材料制备OER催化电极Mn2O3@NF的研究[J]. 材料科学, 2022, 12(3): 202-208. https://doi.org/10.12677/MS.2022.123021

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