✦ LIBER ✦

Theoretical description of fundamental-harmonic impedance of a two-step electrode reaction

✍ Scribed by Kazimierz Darowicki

Book ID: 103065877
Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 671 KB
Volume: 40
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(94)00335-x

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✦ Synopsis

The fundamental-harmonic impedance of a two-step electrode reaction has been described.

The dependence of the fundamental-harmonic impedance from the amplitude and frequency of the sinusoidal voltage perturbation has been determined. Simulated fundamental-harmonic impedance spectra have been determined of a two-step electrode reaction, based on the derived relations. The amplitude analysis of the high-frequency charge transfer resistance, the low-frequency charge transfer resistance and the intermediate product relaxation time allow the direct determination of the kinetic parameters of a two-step electrode reaction, corresponding to the zero value of the perturbation amplitude.

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