[1]杨金彭,刘岩岩*,李黎明,等.doi: 10.3969/j.issn.1001-3849.2025.09.009高稳定性碱性水电解Ni-Fe基析氧电极研制[J].电镀与精饰,2025,(09):61-68.
　Yang Jinpeng,Liu Yanyan*,Li Liming,et al.Development of Ni-Fe based oxygen evolution electrode with high stability for alkaline water electrolysis[J].Plating & Finishing,2025,(09):61-68.
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doi: 10.3969/j.issn.1001-3849.2025.09.009高稳定性碱性水电解Ni-Fe基析氧电极研制()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年09
页码:
61-68
栏目:
出版日期:
2025-09-30

文章信息/Info

Title:
Development of Ni-Fe based oxygen evolution electrode with high stability for alkaline water electrolysis
作者:
杨金彭; 刘岩岩*; 李黎明; 刘晓峰
(中船(邯郸)
Author(s):
Yang Jinpeng;  Liu Yanyan*;  Li Liming;  Liu Xiaofeng
(PERIC Hydrogen Technologies Co., Ltd., Handan 056007, China)
关键词:
碱性电解水; 大电流密度; 析氧反应; 镍铁基电极
Keywords:
alkaline electrolyzed water;  high current density;  oxygen evolution reaction;  nickel-iron electrode
分类号:
TQ15
文献标志码:
A
摘要:
通过简便的两步恒流电沉积法在镍丝网表面制备了CoS@NiFe析氧催化电极，并探究了前处理酸洗时间、电沉积时间、温度，钴硫投料比等电镀工艺条件对电极催化活性的影响，得到CoS@NiFe析氧催化电极的最优电沉积工艺；该催化电极的析氧活性受益于Ni-Fe基羟基氧化物与外层包覆的CoS之间的协同效应以及异质结构之间的强电子相互作用，使得CoS@NiFe电极表现出了优异的析氧性能。该催化电极在600 mA·cm?2的大电流密度下，析氧过电位为298 mV相较于商业雷尼镍低90 mV。并且，在经过6 000圈CV循环后，析氧活性衰减率仅为2.3%，比商业雷尼镍析氧过电位低83 mV。
Abstract:
The CoS@NiFe oxygen evolution catalytic electrode was prepared on the surface of nickel wire mesh by a simple two-step constant current electrodeposition method, and the effects of pretreatment pickling time, electrodeposition time, temperature, cobalt-sulfur feeding ratio and other electroplating process conditions on the catalytic activity of the electrode were explored, and the optimal electrodeposition process for CoS@NiFe oxygen evolution catalytic electrode was obtained. The oxygen evolution activity of the catalytic electrode benefits from the synergistic effect between the Ni-Fe hydroxyl oxide and the outer coated CoS, as well as the strong electronic interaction between the heterostructures, which makes the CoS@NiFe electrode exhibit excellent oxygen evolution performance. At a high current density of 600 mA·cm?2, the catalytic electrode has an oxygen evolution overpotential of 298 mV, which is 90 mV lower than that of commercial Rainey Nickel. In addition, after 6 000 CV cycles, the oxygen evolution activity attenuation rate is only 2.3%, which is 83 mV lower than the commercial Rainey nickel oxygen evolution overpotential

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更新日期/Last Update: 2025-09-11