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Mostrando ítems 1-10 de 1986
Analysis of the Effect of Surface Hydrogen Concentration on the Hydrogen Oxidation Reaction: Voltammetry vs. Steady State
(Research Trends, 2017-07)
Starting from the modelling of the processes involved in the hydrogen oxidation reaction, the present work provides an explanation about the origin of the differences observed between the polarization curves obtained by ...
Electrocatalysis of the hydrogen evolution reaction by rhenium oxides electrodeposited by pulsed-current
(Elsevier, 2015)
Rhenium oxides are materials of interest for applications in the catalysis of reactions such as those occurring in fuel cells and photoelectrochemical cells. This research work was devoted to the production of rhenium oxide ...
Effects of the electrochemically grown hydrous oxide on the hydrogen electrode reaction on iridium electrode
(Elsevier Science Sa, 2016-11)
The hydrogen electrode reaction was studied on iridium electrodes covered by a hydrous oxide film in acid solution. The IrOx·nH2O film was prepared by the application of repetitive cyclic voltammetry and it was characterizedby ...
Analysis of the applicability of short time chronoamperometry for the kinetic study of the hydrogen oxidation reaction
(Elsevier, 2013-09)
This work analyses the applicability of the chronoamperometric method for the evaluation of the kinetic parameters of the hydrogen oxidation reaction. It consists in the application of an overpotential step and the subsequent ...
Kinetics of the hydrogen oxidation reaction on nanostructured rhodium electrodes in alkaline solution
(Elsevier Science, 2015-06)
The hydrogen oxidation reaction was studied on a nanostructured rhodium electrode at different rotation rates in alkaline solution. The electrode was prepared via sputtering on a glassy carbon disc support and it was ...
Criteria for the selection of the scan rate in the evaluation of the kinetic parameters of the hydrogen oxidation reaction by a potentiodynamic sweep
(Elsevier Science Sa, 2015-07)
The use of the current density values obtained from a voltammetric sweep at a slow scan rate jvs(η) in place of those of a steady state polarization jss(η) for the determination of the kinetic parameters of the hydrogen ...
Unexpected Behavior of the Hydrogen Oxidation Reaction on Palladium in Alkaline Solution: A Feasible Kinetic Explanation
(Electrochemical Society, 2018-09)
The hydrogen oxidation reaction was studied on a thin film palladium electrode supported on a gold substrate in alkaline solution. The hydrogen absorption process was analyzed by open circuit potential transient and the ...
Hydrogen oxidation reaction: Evidences of different electrocatalytic activity between α and β Pd-H
(Elsevier Science Inc, 2008-01)
The hydrogen oxidation reaction (hor) was studied in steady state conditions on a palladium thin film electrode supported on a gold rotating disc. The electrode surface was characterized by cyclic voltammetry and SEM ...
Performance of the catalytic membrane reactors of different pore size with palladium as catalytic phase in hydrogenation and oxidation reactions
(2018)
The catalytic membrane reactors (CMR) were prepared using a commercial Hollow Fiber Membrane of corundum of 4 and 1400 nm and impregnated palladium. The tests performed were phenol hydrogenation, hydrogen peroxide generation ...
Synthesis and Performance of Nickel/Reduced Graphene Oxide Hybrid for Hydrogen Evolution Reaction
(Springer New York LLC, 2018-01)
In this work, a simple and reproducible method for the syntheses of hybrid nickel/reduced graphene oxide electrodes is presented. This method consists in a direct modification of a conventional nickel electrodeposition ...