Non-linear frequency response analysis of the kinetics of electrochemical reactions: a case study – ferrocyanide oxidation kinetics
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In general, electrochemical (EC) systems are non-linear, which means they respond nonlinearly to a frequency-dependent periodic input perturbation of high amplitude imposed around a steady-state. In addition, the kinetics of EC reactions are quite complex and different rivalling model presentations can be formulated for certain EC reaction. While standard electrochemical methods (steady-state and electrochemical impedance spectroscopy) showed low sensitivity towards the model discrimination, non-linear frequency response analysis (NLFRA) of EC kinetics can appear advantageous for this purpose. In this work, NLFRA is applied in experimental and theoretical study of ferrocyanide oxidation as a model EC reaction.
Keywords:
Electrochemical reactions / Kinetics / Ferrocyanide oxidationSource:
Second Regional Symposium on Electrochemistry South-East Europe, RSE-SEE, Program and Book of Abstracts, 2010, 80-80Publisher:
- Serbian Chemical Society, Belgrade
Note:
- Belgrade, Serbia, June 6-10, 2010
- Related to the published paper in the Proceedings of the Second Regional Symposium on Electrochemistry South-East Europe, http://cer.ihtm.bg.ac.rs/handle/123456789/3539