A study of the anodic oxidation of methanol on Pt in alkaline solutions
A study of the anodic oxidation of methanol on Pt in alkaline solutions
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.
Ac impedance, Alkaline media, Bicarbonate, Carbonate, Methanol oxidation, Poisoning
17-24
Yu, Eileen Hao
28e47863-4b50-4821-b80b-71fb5a2edef2
Scott, Keith
38909157-296d-4fe7-a245-1b98e1fee913
Reeve, Robert W.
2086bd6b-c279-4826-a776-99ffe3b69656
24 April 2003
Yu, Eileen Hao
28e47863-4b50-4821-b80b-71fb5a2edef2
Scott, Keith
38909157-296d-4fe7-a245-1b98e1fee913
Reeve, Robert W.
2086bd6b-c279-4826-a776-99ffe3b69656
Yu, Eileen Hao, Scott, Keith and Reeve, Robert W.
(2003)
A study of the anodic oxidation of methanol on Pt in alkaline solutions.
Journal of Electroanalytical Chemistry, 547 (1), .
(doi:10.1016/S0022-0728(03)00172-4).
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.
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Published date: 24 April 2003
Keywords:
Ac impedance, Alkaline media, Bicarbonate, Carbonate, Methanol oxidation, Poisoning
Identifiers
Local EPrints ID: 498532
URI: http://eprints.soton.ac.uk/id/eprint/498532
ISSN: 1572-6657
PURE UUID: e3b14b7c-3491-4e28-becb-fba8cc88fcab
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Date deposited: 20 Feb 2025 18:13
Last modified: 21 Feb 2025 03:16
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Contributors
Author:
Eileen Hao Yu
Author:
Keith Scott
Author:
Robert W. Reeve
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