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电化学 >

2013 , Vol. 19 >Issue 3: 267 - 274

DOI: https://doi.org/10.61558/2993-074X.2959

研究论文

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
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  • 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

  网络出版日期: 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

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

  • LI Kai ,
  • CHEN Shen ,
  • LIU Shen-Na ,
  • CHEN Bi-Sang ,
  • LIN Hang ,
  • CHEN Guo-Liang ,
  • WANG Qing-Xiang
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  • Department of Chemistry and Environment Science, Zhangzhou Normal University, Zhangzhou, Fujian 363000, China

Received date: 2012-04-18

  Revised date: 2012-05-24

  Online published: 2012-05-31

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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.

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本文引用格式

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, 2013 , 19(3) : 267 -274 . DOI: 10.61558/2993-074X.2959

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：

参考文献



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