Introduction
It has long been known that the chemical composition of an electrode used for an electrochemical synthesis can have a great influence upon the nature and efficiency of the electrode reaction. Although this clearly suggests that the nature of the electrode surface can influence electrochemical behavior, historically little attention was paid to ways to modify the electrode surface. It is now recognized that the selectivity and efficiency can be affected to a major degree by proper pretreatment of the electrode surface. In fact, a well-characterized electrochemical process can sometimes even be diverted into an entirely different direction simply by electrode modification.
Modification Methods
Electrode modification can be carried out by methods that vary greatly. A reaction can be affected simply by addition to the electrolysis solution of a substance that is readily adsorbed onto the electrode surface. Thus, addition of a thiocyanate salt to the medium diverts the anodic...
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Fry, A.J. (2014). Electrosynthesis Using Modified Electrodes. In: Kreysa, G., Ota, Ki., Savinell, R.F. (eds) Encyclopedia of Applied Electrochemistry. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6996-5_365
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