Abstract

Review Article

Electrochemical promotion of catalysis

Constantinos G Vayenas*

Published: 08 September, 2022 | Volume 6 - Issue 1 | Pages: 048-050

The Electrochemical Promotion of Catalysis (EPOC) or Non-Faradaic Electrochemical Promotion of Catalysis (NEMCA effect) is a phenomenon observed as a reversible change in catalytic rate (i.e. no net charge transfer rate) of a chemical reaction occurring on a catalyst film (or supported dispersed catalyst) deposited on an ionically conducting or mixed electronically-ionically conducting solid electrolyte support upon the application of an electrical potential between the catalyst and a second conductive film deposited on the solid electrolyte support. 

Read Full Article HTML DOI: 10.29328/journal.aac.1001031 Cite this Article Read Full Article PDF

References

  1. Stoukides M, Vayenas CG. The effect of Electrochemical Oxygen Pumping on the Rate and Selectivity of Ethylene Oxidation on Polycrystalline Silver. J. Catal. 1981; 70(1): 137-146. https://doi.org/10.1016/0021-9517(81)90323-7
  2. Bebelis S, Vayenas CG. Non-Faradaic Electrochemical Modification of Catalytic Activity: 1. The case of Ethylene Oxidation on Pt. J Catal 1989; 118:125-146. https://doi.org/10.1016/0021-9517(89)90306-0
  3. Vayenas CG, Bebelis S, Ladas S. Dependence of Catalytic Rates on Catalyst Work Function. Nature. 1990; 343(6259): 625-627. https://doi.org/10.1038/343625a0
  4. Vayenas CG, Bebelis S, Neophytides S, Yentekakis IV. Non-Faradaic Electrochemical Modification of Catalytic Activity in Solid Electrolyte Cells. Applied Physics (A). 1989; 49: 95-103. https://doi.org/10.1007/BF00615471
  5. Neophytides S, Tsiplakides D, Jaksic M, Stonehart P, Vayenas CG. Electrochemical Enhancement of a Catalytic Reaction in Aqueous Solution. Nature. 1994; 370: 45-47. https://doi.org/10.1038/370045a0
  6. Vayenas CG, Brosda S, Pliangos C. Rules and mathematical modeling of electrochemical and chemical promotion: 1. Reaction classification and promotional rules. J. Catal. 2001; 203(2): 329-350. https://doi.org/10.1006/jcat.2001.3348
  7. Vayenas CG, Bebelis S, Pliangos C, Brosda S, Tsiplakides D. Electrochemical Activation of Catalysis. Kluwer Academic / Plenum Publishers, New York. 2001.
  8. Vernoux P, Lizarraga L, Tsampas MN, Sapountzi FM, De Lucas-Consuegra A, Valverde JL, Souentie S, Vayenas CG, Tsiplakides D, Balomenou S, Baranova EA. Ionically conducting ceramics as active catalyst supports. Chem Rev. 2013 Oct 9;113(10):8192-260. doi: 10.1021/cr4000336. Epub 2013 Jul 5. PMID: 23826949.

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