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Innovative Flow Field Combination Design on Direct Methanol Fuel Cell Performance

[+] Author Affiliations
Guo-Bin Jung, Ay Su, Cheng-Hsin Tu, Fang-Bor Weng, Shih-Hung Chan

Yuan Ze University, Taoyuan, Taiwan

Paper No. FUELCELL2005-74010, pp. 367-372; 6 pages
doi:10.1115/FUELCELL2005-74010
From:
  • ASME 2005 3rd International Conference on Fuel Cell Science, Engineering and Technology
  • 3rd International Conference on Fuel Cell Science, Engineering and Technology
  • Ypsilanti, Michigan, USA, May 23–25, 2005
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-3764-5 | eISBN: 0-7918-3757-2
  • Copyright © 2005 by ASME

abstract

The flow-field design of Direct Methanol Fuel Cells (DMFCs) is an important subject about the DMFCs performance. Flow-fields play an important role on ability to transport fuel and drive out the products (H2 O, CO2 ). In general, most of 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 the flow-fields designs on the cell performance were investigated due to the same logic for catalyst used for cathode and anode differently. To get the better and more stable performance of DMFC, three flow-fields (Parallel, Grid and Serpentine) are utilized with different combination were studied in this research. As a consequence, by using parallel flow-field in anode side and serpentine flow -field in cathode, the most and highest power output was obtained.

Copyright © 2005 by ASME

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