Instantaneous electrochemical impedance spectroscopy of electrode reactions

被引：23
|
作者：
Darowicki, K [1 ]
Slepski, P [1 ]
机构：
[1] Gdansk Tech Univ, Fac Chem, Dept Electrochem Corros & Mat Engn, PL-80952 Gdansk, Poland
来源：
ELECTROCHIMICA ACTA | 2004年 / 49卷 / 05期
关键词：
EIS; short-time Fourier transformation; instantaneous impedance spectra; dropping mercury electrode; electrode reactions;
D O I：
10.1016/j.electacta.2003.09.030
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Continuous STFT transforms of a sinusoidal perturbation signal and current have been found for the first order electrode reaction. Electrode impedance has been determined in the joint time-frequency domain. Measurements of the Cd(II) reduction reaction have been performed on a dropping mercury electrode as a function of time. A possibility of instantaneous impedance spectra generation has been presented. Time characteristics of charge transfer resistance, Warburg coefficient and double layer capacitance has been described. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：763 / 772
页数：10
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