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A one dimensional model of a methanol fuel cell anode

Lookup NU author(s): Emeritus Professor Keith Scott, Dr Panagiotis Argyropoulos


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A model of a direct methanol fuel cell anode is presented which considers electrocatalysts to have a distribution of over potential and current density in the structure. The model is applicable to an anode based on a metal mesh supported electrocatalysts structure. Methanol oxidation is described by dual site mechanisms involving adsorbed CO and OH intermediates. The model is used to predict the electrode potential-current density behaviour of the anode. The concentration of methanol is shown to influence overall electrode polarisation characteristics and critically the selection of the mechanism for methanol oxidation has a major impact in this respect. The model gives good correspondence with experimentally observed cell polarisation behaviour. © 2004 Elsevier B.V. All rights reserved. All rights reserved.

Publication metadata

Author(s): Scott K, Argyropoulos P

Publication type: Article

Publication status: Published

Journal: Journal of Power Sources

Year: 2004

Volume: 137

Issue: 2

Pages: 228-238

Print publication date: 29/10/2004

ISSN (print): 0378-7753

ISSN (electronic): 1873-2755

Publisher: Elsevier B.V.


DOI: 10.1016/j.jpowsour.2004.03.049


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