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Methanol Crossover in Direct Methanol Fuel Cells for Portable Applications: Achievements and Challenges

[+] Author Affiliations
Mahmoud Ahmed, Ahmed Hamza H. Ali

Assiut University, Assiut, Egypt

Ibrahim Dincer

University of Ontario Institute of Technology (UOIT), Oshawa, ON, Canada

Paper No. IMECE2010-38949, pp. 917-925; 9 pages
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4429-8
  • Copyright © 2010 by ASME


One of the major obstacles that currently prevent the widespread applications of DMFCs is the methanol crossover through the proton-exchange membranes (PEM). The present paper discusses the influence of different operating parameters, such as concentration of methanol, pressure, temperature, thickness and equivalent weight of membrane and catalyst morphology, on methanol crossover. It also discusses the development of PEM for DMFC. The effect of methanol crossover on DMFC performance is presented. The discussion of findings and recommendations for future research are presented.

Copyright © 2010 by ASME



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