Journal
JOURNAL OF POWER SOURCES
Volume 145, Issue 2, Pages 188-198Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2004.11.074
Keywords
direct methanol fuel cell; methanol crossover; methanol barriers; polymer electrolyte membrane; gas chromatography
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Direct methanol fuel cells (DMFCs) are capable of utilising a liquid fuel directly in the fuel cell and they are therefore an interesting option for a variety of mobile and portable applications. Still there are several barriers which have to be overcome before DMFCs are able to compete with conventional technologies. A major restriction in reaching high efficiencies with DMFCs is methanol crossover from anode to cathode. This work discusses several methods to characterise the methanol crossover and introduces a newly developed measurement method which allows an exact determination of methanol crossover in DMFCs with liquid and solid electrolytes. (c) 2005 Elsevier B.V. All rights reserved.
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