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A study of the anodic oxidation of methanol on Pt in alkaline solutions

Lookup NU author(s): Professor Eileen Yu, Emeritus Professor Keith Scott, Dr Robert Reeve

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Abstract

In this study, the electro-oxidation of methanol was carried out on a platinised electrode in various alkaline media to examine the role of OHads species and the influence of anions in the electrolyte on the methanol oxidation reaction. Cyclic voltammetry, steady state and quasi-steady state polarisation, and electrochemical impedance spectroscopy methods were used to investigate the reaction kinetics and mechanism. The activity of the methanol oxidation reaction in aqueous alkaline systems was observed to vary with the pH or OH species coverage on the electrode surface. The activity decreased in the order of NaOH>Na2CO3>NaHCO3. © 2003 Published by Elsevier Science B.V.

Publication metadata

Author(s): Yu EH, Scott K, Reeve RW

Publication type: Article

Publication status: Published

Journal: Journal of Electroanalytical Chemistry

Year: 2003

Volume: 547

Issue: 1

Pages: 17-24

ISSN (print): 0022-0728

ISSN (electronic): 1873-2569

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/S0022-0728(03)00172-4

DOI: 10.1016/S0022-0728(03)00172-4

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