Electrochemical promotion of Pd, Fe and distributed Pt catalyst-electrodes

This paper describes recent results of the use of the effect of non-faradaic electrochemical modification of catalytic activity (NEMCA) or Electrochemical Promotion (EP) in the following systems, which are of potential practical interest: (i) C 2H 4 oxidation on electronically isolated Pt catalysts...

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Bibliographic Details
Published in:Solid state ionics 2000-11, Vol.136 (1-2), p.857-862
Main Authors: Balomenou, S, Pitselis, G, Polydoros, D, Giannikos, A, Vradis, A, Frenzel, A, Pliangos, C, Pütter, H, Vayenas, C.G
Format: Article
Language:English
Subjects:
Electrochemical promotion
NEMCA
Solid electrolyte
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Summary:This paper describes recent results of the use of the effect of non-faradaic electrochemical modification of catalytic activity (NEMCA) or Electrochemical Promotion (EP) in the following systems, which are of potential practical interest: (i) C 2H 4 oxidation on electronically isolated Pt catalysts on YSZ, where NEMCA is induced via potential application between two terminal Au electrodes also supported on the solid electrolyte (wireless configuration), (ii) NH 3 decomposition on Fe catalyst electrodes interfaced with CaZr 0.9In 0.1O 3− α , a proton conducting solid electrolyte support using a single pellet configuration and (iii) Selective C 2H 2 hydrogenation on Pd catalyst electrodes interfaced with β″-Al 2O 3, a Na + conductor, using a multi-pellet configuration. In all cases the metal counter electrodes are also exposed to the reaction mixture.
ISSN:0167-2738
1872-7689
DOI:10.1016/S0167-2738(00)00524-5