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[1]邢乐红*,王宜鑫,石鑫婷,等. 电流密度对镍电极电催化析氢性能的影响 [J].电镀与精饰,2022,(10):49-53.[doi:10.3969/j.issn.1001-3849.2022.10.008]
　XING Lehong*,WANG Yixin,SHI Xinting,et al. Effect of Deposition Current on Electrocatalytic Hydrogen Evolution Performance of Electroplated Nickel [J].Plating & Finishing,2022,(10):49-53.[doi:10.3969/j.issn.1001-3849.2022.10.008]
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电流密度对镍电极电催化析氢性能的影响

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2022年10 页码: 49-53 栏目: 出版日期: 2022-10-17
Title:
Effect of Deposition Current on Electrocatalytic Hydrogen Evolution Performance of Electroplated Nickel
作者:
（牡丹江师范学院 化学化工学院，黑龙江 牡丹江 157012）
Author(s):
（School of Chemistry and Chemical Engineering， Mudanjiang Normal University， Mudanjiang 157012， China）
关键词:
电沉积; 电流密度; 镍电极; 析氢性能; 稳定性
Keywords:
electrodeposition ;  current density ;  nickel electrode ;  hydrogen evolution performance ;  stability
分类号:
TQ116.2
DOI:
10.3969/j.issn.1001-3849.2022.10.008
文献标志码:
A
摘要:
以紫铜为基体，采用电沉积法制备了镍电极，主要研究了电流密度对镍电极析氢催化性能的影响。采用扫描电镜观察镀镍层微观结构，通过线性极化曲线、塔菲尔曲线和交流阻抗技术等电化学测试方法分析电极在 1 mol ? -1 NaOH 溶液中的电催化析氢性能。结果表明：适宜的电流密度下制备的镍电极外观呈银白色，表面光滑细致。镍电极析氢性能随电流密度的增加呈先升高后降低的趋势，当电流密度为 3.0 A·dm -2 时，沉积效率较高，获得的镀层结合力较好，细化了电结晶，镀层比表面积最大，暴露更多的催化活性位点，可以有效提高镀层电催化性能。
Abstract:
The nickel electrode was prepared by electrodeposition with red copper as substrate. The effect of current density on the catalytic performance of nickel electrode for hydrogen evolution was researched. The micro morphology of the nickel coating was studied by scanning electron microscope. The electrocatalytic properties of the obtained coatings for hydrogen evolution were studied in 1 mol?-1 NaOH solution by linear polarization curve， Tafel curve and electrochemical impedance spectroscopy techniques. The results showed that the appearance of the nickel electrode prepared at appropriate current density was silver-white and smooth. The hydrogen evolution of the nickel electrode enhanced first and then declined with the increase of current density. When the current density was 3.0 A?m-2， the obtained coating had high deposition efficiency， better adhesion and refined electrocrystallization. The specific surface area of the coating was the largest， and more catalytic active sites were exposed， which can effectively improve the electrocatalytic performance of the coating.

参考文献/References:



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备注/Memo

收稿日期： 2021-10-28 修回日期： 2022-01-14 作者简介： 邢乐红（ 1983 —），女，博士，副教授， email ： xinglehonghit@126.com 基金项目： 黑龙江省自然科学基金联合引导项目（ JJ2022LH0472 ）；黑龙江省基本科研业务费科研项目（ 1452ZD008 ）； 牡丹江师范学院青年骨干项目（ QN2022007 ）；牡丹江师范学院研究生课程思政高质量建设项目（高等电化 学课程思政项目）

更新日期/Last Update: 2022-11-10