Publication

Electrochemical promotion of RuO2 catalyst dispersed on an yttria-stabilized zirconia monolith

Christos Comninellis
1999
Journal Articles

Abstract

Electrochem. promotion of dispersed RuO2 catalyst on yttria-stabilized zirconia (YSZ) monolith was studied in a monolithic catalytic reactor fabricated from YSZ solid electrolyte. This new design showed an important increase in ethylene conversion to CO2 by potential application between two inert gold electrodes. The effects of the cell potential, the ethylene partial pressure, the total gas flux, and the temp. were studied. In a typical example, an increase of the ethylene conversion from 36 to 50.5% (pC2H4 = 0.2 kPa) was obsd. by applying a cell potential of 30 V at 360 Deg. [on SciFinder (R)]

Official source

https://infoscience.epfl.ch/entities/publication/44c1e7b8-cf03-41f1-a588-888c67c19734

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Christos Comninellis
1999
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/44c1e7b8-cf03-41f1-a588-888c67c19734

About this result

Related concepts (28)

Ethylene oxide

Ethylene oxide is an organic compound with the formula . It is a cyclic ether and the simplest epoxide: a three-membered ring consisting of one oxygen atom and two carbon atoms. Ethylene oxide is a colorless and flammable gas with a faintly sweet odor. Because it is a strained ring, ethylene oxide easily participates in a number of addition reactions that result in ring-opening. Ethylene oxide is isomeric with acetaldehyde and with vinyl alcohol. Ethylene oxide is industrially produced by oxidation of ethylene in the presence of a silver catalyst.

Reduction potential

Redox potential (also known as oxidation / reduction potential, ORP, pe, , or ) is a measure of the tendency of a chemical species to acquire electrons from or lose electrons to an electrode and thereby be reduced or oxidised respectively. Redox potential is expressed in volts (V). Each species has its own intrinsic redox potential; for example, the more positive the reduction potential (reduction potential is more often used due to general formalism in electrochemistry), the greater the species' affinity for electrons and tendency to be reduced.

Membrane potential

Membrane potential (also transmembrane potential or membrane voltage) is the difference in electric potential between the interior and the exterior of a biological cell. That is, there is a difference in the energy required for electric charges to move from the internal to exterior cellular environments and vice versa, as long as there is no acquisition of kinetic energy or the production of radiation. The concentration gradients of the charges directly determine this energy requirement.

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Electrochemical promotion of RuO2 catalyst dispersed on an yttria-stabilized zirconia monolith

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