期刊
ELECTROCHIMICA ACTA
卷 323, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2019.134776
关键词
Ferri/ferrocyanide reaction; Reversible reaction; Exchange current density; Number of electrons; Polarization resistance
A few curve techniques to determine kinetic parameters of reversible reaction were reported. The techniques were applied to the ferri/ferrocyanide redox system as a typical reversible reaction to obtain the number of electrons transferred, the rate constant and the transfer coefficient. It is shown that the proposed techniques enable us to properly read the Tafel slope region and therefore to accurately estimated the relevant parameters. It was confirmed that the kinetic parameters of the ferri/ferrocyanide redox reaction were k(empty set) = 10(-1.3) cm s(-1) and alpha(a), = 0.51. (C) 2019 Published by Elsevier Ltd.
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