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An electron-beam-grafted ETFE alkaline anion-exchange membrane in metal-cation-free solid-state alkaline fuel cells

Varcoe, JR and Slade, RCT (2006) An electron-beam-grafted ETFE alkaline anion-exchange membrane in metal-cation-free solid-state alkaline fuel cells Electrochemistry Communications, 8 (5). 839 - 843. ISSN 1388-2481

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Abstract

A novel, physically strong, quaternary-ammonium-functionalised radiation-grafted ETFE alkaline anion-exchange membrane (AAEM) has been developed for application in fuel cells without undesirable addition of M+OH- into the anode fuel stream, thereby facilitating stable performances and long term operational lifetimes. A promising H2/O2 fuel cell peak power performance of 130 mW cm-2 was obtained for an alkaline membrane electrode assembly, while a maximum power density of 8.5 mW cm-2 was obtained in a metal-cation-free methanol/O2 fuel cell. Mass transport phenomena in the electrodes and inadequate interface between the membrane and electrodes were identified as the major limiters of power performance; the need for electrode architectures to be optimised for alkaline membrane fuel cells was identified.

Item Type: Article
Additional Information: Copyright © 2006 Elsevier B.V. All rights reserved. NOTICE: this is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, 8(5), May 2006, DOI 10.1016/j.elecom.2006.03.027.
Divisions: Faculty of Engineering and Physical Sciences > Chemistry
Depositing User: Mr Adam Field
Date Deposited: 23 Apr 2012 13:52
Last Modified: 23 Sep 2013 19:21
URI: http://epubs.surrey.ac.uk/id/eprint/375319

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