The flow-field design of direct methanol fuel cells (DMFCs) is an important subject about DMFC performance. Flow fields play an important role in the ability to transport fuel and drive out the products . In general, most fuel cells utilize the same structure of flow field for both anode and cathode. The popular flow fields used for DMFCs are parallel and grid designs. Nevertheless, the characteristics of reactants and products are entirely different in anode and cathode of DMFCs. Therefore, the influences of flow fields design on cell performance were investigated based on the same logic with respect to the catalyst used for cathode and anode nonsymmetrically. To get a better and more stable performance of DMFCs, three flow fields (parallel, grid, and serpentine) utilized with different combinations were studied in this research. As a consequence, by using parallel flow field in the anode side and serpentine flow-field in the cathode, the highest power output was obtained.
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August 2007
This article was originally published in
Journal of Fuel Cell Science and Technology
Technical Briefs
Innovative Flow-Field Combination Design on Direct Methanol Fuel Cell Performance
Guo-Bin Jung
,
Guo-Bin Jung
Fuel Cell Center and Department of Mechanical Engineering,
guobin@saturn.yzu.edu.tw
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Search for other works by this author on:
Ay Su
,
Ay Su
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Search for other works by this author on:
Cheng-Hsin Tu
,
Cheng-Hsin Tu
Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
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Fang-Bor Weng
,
Fang-Bor Weng
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
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Shih-Hung Chan
Shih-Hung Chan
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Search for other works by this author on:
Guo-Bin Jung
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwanguobin@saturn.yzu.edu.tw
Ay Su
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Cheng-Hsin Tu
Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Fang-Bor Weng
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, Taiwan
Shih-Hung Chan
Fuel Cell Center and Department of Mechanical Engineering,
Yuan Ze University
, Chung-Li, Taoyuan, 320, TaiwanJ. Fuel Cell Sci. Technol. Aug 2007, 4(3): 365-368 (4 pages)
Published Online: May 23, 2006
Article history
Received:
June 28, 2005
Revised:
May 23, 2006
Citation
Jung, G., Su, A., Tu, C., Weng, F., and Chan, S. (May 23, 2006). "Innovative Flow-Field Combination Design on Direct Methanol Fuel Cell Performance." ASME. J. Fuel Cell Sci. Technol. August 2007; 4(3): 365–368. https://doi.org/10.1115/1.2744056
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