Effect of Different Electrode Materials on Electrooxidation of Bromide Ion

Abstract

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

CLC Number:

O646

TrendMD:

WANG Hai-Tao, ZHANG Heng-Bin, CAO Xue-Jing, YU Jian-Guo, LIN Hai-Bo . Effect of Different Electrode Materials on Electrooxidation of Bromide Ion[J]. Chem. J. Chinese Universities, 2004, 25(12): 2327.

References

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