In this work, analytical mass transfer models are developed for two different types of Direct Methanol Fuel Cells (DMFCs). One type is a conventional assembly with a proton exchange membrane (PEM) and the other utilizes a flowing electrolyte in addition to a PEM to reduce methanol crossover. These models are used to predict methanol crossover behaviour that is a major issue affecting the efficiencies of PEM-DMFCs. It is shown that using flowing electrolyte DMFCs can lead to a significant decrease in methanol crossover with a corresponding increase in electrical efficiency of the cell. Combined with the experiments carried out in a previous work, the simulation showed significant efficiency improvements when using a flowing electrolyte DMFC compared to a traditional PEM assembly.
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ASME 2004 2nd International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2004
Rochester, New York, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4165-0
PROCEEDINGS PAPER
Mass Transport Inside a Flowing Electrolyte Direct Methanol Fuel Cell Available to Purchase
M. R. Golriz,
M. R. Golriz
Umea˚ University, Umea˚, Sweden
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D. James
D. James
Energy Visions, Inc., Calgary, AB, Canada
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M. R. Golriz
Umea˚ University, Umea˚, Sweden
J. Gu
Carleton University, Ottawa, ON, Canada
D. James
Energy Visions, Inc., Calgary, AB, Canada
Paper No:
FUELCELL2004-2459, pp. 107-112; 6 pages
Published Online:
November 17, 2008
Citation
Golriz, MR, Gu, J, & James, D. "Mass Transport Inside a Flowing Electrolyte Direct Methanol Fuel Cell." Proceedings of the ASME 2004 2nd International Conference on Fuel Cell Science, Engineering and Technology. 2nd International Conference on Fuel Cell Science, Engineering and Technology. Rochester, New York, USA. June 14–16, 2004. pp. 107-112. ASME. https://doi.org/10.1115/FUELCELL2004-2459
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