MnFe-Ni(OH)2的制备及其电催化水分解性能研究

孙豪杰1,2,3, 郭瑞华1,2,3*, 王瑞芬1,2,3, 孙婷婷1, 张国芳1, 刘媛媛1,2

化工新型材料 ›› 2026, Vol. 54 ›› Issue (5) : 197 -204.

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化工新型材料 ›› 2026, Vol. 54 ›› Issue (5) : 197-204. DOI: 10.19817/j.cnki.issn1006-3536.2026.05.011
科学研究

MnFe-Ni(OH)2的制备及其电催化水分解性能研究

    孙豪杰1,2,3, 郭瑞华1,2,3*, 王瑞芬1,2,3, 孙婷婷1, 张国芳1, 刘媛媛1,2
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Preparation of MnFe-Ni(OH)2 and its electrocatalytic water splitting performance

  • Sun Haojie1,2,3, Guo Ruihua1,2,3, Wang Ruifen1,2,3, Sun Tingting1, Zhang Guofang1, Liu Yuanyuan1,2
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摘要

采用水热法和煅烧法制备以泡沫镍为载体,MnFe双金属掺杂Ni(OH)2的花簇状催化剂,通过改变MnFe的掺入量调节MnFe-Ni(OH)2的催化效果。采用X射线光电子能谱仪和扫描电子显微镜等多种表征方法对MnFe-Ni(OH)2的结构、形貌和催化性能进行分析。结果表明:Mn0.15Fe0.05-Ni(OH)2表现出优异的催化活性,在浓度1mol/L的KOH电解质溶液中,10mA/cm2电流密度下析氧反应(OER)和析氢反应(HER)过电位分别为260mV和232mV,同时具有低的Tafel斜率和优异的电化学稳定性,表明Mn0.15Fe0.05-Ni(OH)2在电催化水分解领域具有良好的发展潜力。

Abstract

A flower-like MnFe bimetal-doped Ni(OH)2 catalyst was prepared by hydrothermal method and calcination method using nickel foam as a carrier.The catalytic effect was adjusted by changing the amount of MnFe.The structure,morphology,and catalytic properties of MnFe-Ni(OH)2 were analyzed by X-ray photoelectron spectroscopy and scanning electron microscopy.The results showed that Mn0.15Fe0.05-Ni(OH)2 exhibited excellent catalytic activity.In an electrolyte solution of 1mol/L KOH,the overpotentials of oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) at a current density of 10mA/cm2 were 260mV and 232mV,respectively.At the same time,it had a low Tafel slope and excellent electrochemical stability,demonstrating that Mn0.15Fe0.05-Ni(OH)2 had good development potential in the field of electrocatalytic water splitting.

关键词

析氧反应 / 析氢反应 / 水热法和煅烧法 / 掺杂

Key words

oxygen evolution reaction / hydrogen evolution reaction / hydrothermal method and calcination method / doping

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MnFe-Ni(OH)2的制备及其电催化水分解性能研究[J]. 化工新型材料, 2026, 54(5): 197-204 DOI:10.19817/j.cnki.issn1006-3536.2026.05.011

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