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Direct methanol alkaline fuel cells with catalysed anion exchange membrane electrodes

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

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Abstract

Membrane electrodes prepared by chemical deposition of platinum directly onto the anion exchange membrane electrolyte were tested in direct methanol alkaline fuel cells. Data on the cell voltage against current density performance and anode potentials are reported. The relatively low fuel cell performance was probably due to the low active surface area of Pt deposits on the membrane comparing to other membrane electrode assembly (MEA) fabrication methods. However, the catalysed membrane electrode showed good performance for oxygen reduction. A reduction in cell internal resistance was also obtained for the catalysed membrane electrode. By combining the catalysed membrane electrodes with a catalysed mesh, maximum current density of 98 mA cm-2 and peak power density of 18 mW cm-2 were achieved.


Publication metadata

Author(s): Yu EH, Scott K

Publication type: Article

Publication status: Published

Journal: Journal of Applied Electrochemistry

Year: 2005

Volume: 35

Issue: 1

Pages: 91-96

Print publication date: 01/01/2005

ISSN (print): 0021-891X

ISSN (electronic): 1572-8838

Publisher: Springer

URL: http://dx.doi.org/10.1007/s10800-004-4061-2

DOI: 10.1007/s10800-004-4061-2


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