玻碳电极肉桂酸添加剂对锌电沉积的影响

doi:10.61558/2993-074X.2959

电化学（中英文） ›› 2013, Vol. 19 ›› Issue (3): 267-274. doi: 10.61558/2993-074X.2959

玻碳电极肉桂酸添加剂对锌电沉积的影响

李凯，陈棽，刘深娜，陈碧桑，林珩，陈国良^*，汪庆祥

漳州师范学院化学与环境科学系，福建漳州 363000

收稿日期:2012-04-18 修回日期:2012-05-24 出版日期:2013-06-28 发布日期:2012-05-31
基金资助:
国家自然科学基金项目(No. 20805041)、福建省科技厅高校产学研重大项目(No. 2010H6029)、福建省教育厅科技项目(No. JA10208)及漳州师范学院研究生教育创新基地资金项目资助

Influences of the Cinnamic Acid on Zinc Electrodeposition at Glassy-Carbon Electrode

LI Kai, CHEN Shen, LIU Shen-na, CHEN Bi-sang, LIN Heng,CHEN Guo-liang^*, WANG Qing-xiang

Department of Chemistry and Environment Science, Zhangzhou Normal University, Zhangzhou, Fujian 363000, China

Received:2012-04-18 Revised:2012-05-24 Published:2013-06-28 Online:2012-05-31

摘要/Abstract

摘要： 用循环伏安法、计时电位法研究了玻碳电极肉桂酸添加剂对锌电沉积机理及成核过程的影响. 研究表明，含肉桂酸基础镀液中还原仍为Zn²⁺ + 2e → Zn，但肉桂酸能促进锌成核，改变锌沉积的动力学过程. 在基础镀液锌成核机理为3D-瞬时成核过程，加肉桂酸后锌的成核机理趋于3D-连续成核过程，其活性位点数增加，成核速率减小.

关键词:

锌电沉积, 肉桂酸, 成核及核生长, 计时电流法

Abstract: The influences of cinnamic acid (CIN) on the mechanism of Zn deposition and nucleation kinetics onto glassy-carbon electrode were studied by cyclic voltammetry (CV) and chronoamperometry (CA). The results revealed that the zinc reduction took place via Zn²⁺ + 2e → Zn in the presence of CIN, but the kinetics of zinc deposition was changed and the formation rate of zinc nuclei was accelerated. In the absence of CIN, the mechanism of zinc nucleation followed the 3D-instantaneous diffusion-controlled nucleation, while the 3D-progressive diffusion-controlled nucleation in the presence of CIN. The addition of CIN reduced the nucleation rate, but increased the number of active sites as compared with those obtained without CIN.

Key words:

zinc elecreodeposition, cinnamic acid, nucleation and growth, chronoamperometry

中图分类号:

O646

李凯, 陈棽, 刘深娜, 陈碧桑, 林珩, 陈国良, 汪庆祥. 玻碳电极肉桂酸添加剂对锌电沉积的影响[J]. 电化学（中英文）, 2013, 19(3): 267-274.

LI Kai, CHEN Shen, LIU Shen-Na, CHEN Bi-Sang, LIN Hang, CHEN Guo-Liang, WANG Qing-Xiang. Influences of the Cinnamic Acid on Zinc Electrodeposition at Glassy-Carbon Electrode[J]. Journal of Electrochemistry, 2013, 19(3): 267-274.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2959

https://electrochem.xmu.edu.cn/CN/Y2013/V19/I3/267

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玻碳电极肉桂酸添加剂对锌电沉积的影响

Influences of the Cinnamic Acid on Zinc Electrodeposition at Glassy-Carbon Electrode

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