高等学校化学学报

高等学校化学学报 ›› 2009, Vol. 30 ›› Issue (4): 772.

• 研究论文 • 上一篇    下一篇

有机溶液中添加水对聚吡咯电化学性能的影响

王元1, 穆道斌1,2, 张存中1,2, 吴锋1,2, 安晓科1   

    1. 北京理工大学化工与环境学院, 环境科学工程北京重点实验室,
    2. 国家高技术绿色材料发展中心, 北京 100081
  • 收稿日期:2008-06-17 出版日期:2009-04-10 发布日期:2009-04-10
  • 通讯作者: 张存中, E-mail:czzhangchem@bit.edu.cn
  • 基金资助:

    国家“九七三”计划(批准号: 2009CB220100)和北京理工大学基础研究基金(批准号: 20060542011)资助.

Influence of Water Addition on the Electrochemical Behavior of Polypyrrole Synthesized in Organic Solution

WANG Yuan1, MU Dao-Bin1,2, ZHANG Cun-Zhong1,2*, WU Feng1,2, AN Xiao-Ke1   

    1. Beijing Key Laboratory of Environmental Science and Engineering, School of Chemical Engineering & the Environment, Beijing Institute of Technology,
    2. National Development Center of Hi-Tech Green Materials, Beijing 100081, China
  • Received:2008-06-17 Online:2009-04-10 Published:2009-04-10
  • Contact: ZHANG Cun-Zhong, E-mail:czzhangchem@bit.edu.cn

PDF (PC)

被引次数

3

摘要：

采用电势阶跃技术, 于Pt微盘电极上在含水体积分数分别为0, 2%, 4%, 6%和8%的0.1 mol/L Pyrrole+0.1 mol/L LiClO4的碳酸丙烯酯(PC)溶液中合成了聚吡咯(PPy)膜. 采用循环伏安法、计时电流法考察了不同含水比例条件下聚吡咯的电化学行为, 采用扫描电镜对其表面形貌进行了观察分析. 研究结果表明, 最佳的含水体积分数为6%. 在此条件下聚合得到的PPy量大, 具有较高的电化学容量、较好的电化学反应可逆性.

关键词: null

Abstract:

Using potential step method, polypyrrole films were synthesized directly on the surface of Pt micro-disk electrode in 0.1 mol/L pyrrole-0.1 mol/L LiClO4-PC solution containing different proportion of water(0, 2%, 4%, 6%, 8%, in volume fraction). The electrochemical properties of polypyrrole film electrodes were characterized with the methods of cyclic voltammetry(CV) and chronoamperometry, the morphologies of films were observed by scanning electron microscope(SEM) as well. It is shown that the addition of 6% water is the one which is favorable to PPy electro-deposition and its characteristics. Besides more compact surface, polypyrrole film synthesized in this condition exhibits better redox reversibility and higher capacity.

Key words: null

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