Comparative studies between classic and wireless electrochemical promotion of a Pt catalyst for ethylene oxidation

Danai Poulidi; Ian S. Metcalfe

doi:10.1007/s10800-008-9525-3

Comparative studies between classic and wireless electrochemical promotion of a Pt catalyst for ethylene oxidation

Danai Poulidi, Ian S. Metcalfe

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A comparative study between a classic and a wireless electrochemical promotion experiment was undertaken as a tool towards the better understanding of both systems. The catalytic modification of a platinum catalyst for ethylene oxidation was studied. The catalyst was supported on yttria-stabilised-zirconia (YSZ), a known pure oxide ion conductor, for the classic experiment and La _0.6Sr_0.4Co_0.2Fe_0.8O _3-δ-a mixed oxide ion electronic conductor-was used for the wireless experiment. The two systems showed certain similarities in terms of the reaction classification (in both cases electrophobic behaviour was observed) and the promotion mechanism. Significant difference was observed in the time scales and the reversibility of the induced rate modification.

Original language	English
Pages (from-to)	1121-1126
Number of pages	6
Journal	Journal of Applied Electrochemistry
Volume	38
Issue number	8
DOIs	https://doi.org/10.1007/s10800-008-9525-3
Publication status	Published - Aug 2008

Keywords

Catalysis remote control
Electrochemical promotion
Mixed conductor

ASJC Scopus subject areas

Electrochemistry

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10.1007/s10800-008-9525-3

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abstract = "A comparative study between a classic and a wireless electrochemical promotion experiment was undertaken as a tool towards the better understanding of both systems. The catalytic modification of a platinum catalyst for ethylene oxidation was studied. The catalyst was supported on yttria-stabilised-zirconia (YSZ), a known pure oxide ion conductor, for the classic experiment and La 0.6Sr0.4Co0.2Fe0.8O 3-δ-a mixed oxide ion electronic conductor-was used for the wireless experiment. The two systems showed certain similarities in terms of the reaction classification (in both cases electrophobic behaviour was observed) and the promotion mechanism. Significant difference was observed in the time scales and the reversibility of the induced rate modification.",

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AB - A comparative study between a classic and a wireless electrochemical promotion experiment was undertaken as a tool towards the better understanding of both systems. The catalytic modification of a platinum catalyst for ethylene oxidation was studied. The catalyst was supported on yttria-stabilised-zirconia (YSZ), a known pure oxide ion conductor, for the classic experiment and La 0.6Sr0.4Co0.2Fe0.8O 3-δ-a mixed oxide ion electronic conductor-was used for the wireless experiment. The two systems showed certain similarities in terms of the reaction classification (in both cases electrophobic behaviour was observed) and the promotion mechanism. Significant difference was observed in the time scales and the reversibility of the induced rate modification.

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Comparative studies between classic and wireless electrochemical promotion of a Pt catalyst for ethylene oxidation

Abstract

Keywords

ASJC Scopus subject areas

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