高等学校化学学报 ›› 2004, Vol. 25 ›› Issue (12): 2327.

• 研究论文 • 上一篇    下一篇

不同电极材料对溴离子电氧化的影响

王海涛, 张恒彬, 曹学静, 余建国, 林海波   

  1. 吉林大学化学学院长春, 130023
  • 收稿日期:2003-09-16 出版日期:2004-12-24 发布日期:2004-12-24
  • 基金资助:

    国家自然科学基金(批准号:20373020)资助

Effect of Different Electrode Materials on Electrooxidation of Bromide Ion

WANG Hai-Tao, ZHANG Heng-Bin, CAO Xue-Jing, YU Jian-Guo, LIN Hai-Bo   

  1. College of Chemistry, Jilin University, Changchun 130023, China
  • Received:2003-09-16 Online:2004-12-24 Published:2004-12-24

摘要: 通过溴离子在PbO2、Pt、石墨和2种DSA电极上循环伏安和电流效率的测量,发现各种电极材料对溴离子氧化的催化作用不同,在酸性条件和中性条件下溴离子的氧化情况也有明显差别.溴离子氧化的最佳条件是在中性溶液中使用PbO2电极,电流效率最高可达到96.1%,并且氧化电位较低,氧化电流较大.

关键词: 溴离子, 电氧化, 阳极材料, 循环伏安, 电流效率

Abstract: By the measurement of cyclic voltammetry and current efficiency at PbO2, Pt, graphite and two kinds of DSA electrodes, it was found that the electrocatalysis behaviour of Br - oxidation at different electrode materials is different, the results of Br - oxidation in an acidic solution and a neutral solution are also different. The best conditions for Br - oxidation are to use PbO2 electrode in a neutral solution, the highest current efficiency is 96.1%, moreover, the initial oxidation potential is lower, but the oxidation current is higher.

Key words: Br - ion, Eletrooxidation, Anode materials, Cyclic voltammetry, Current efficiency

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