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The Operating Characteristics in an Air-Breathing PEMFC

[+] Author Affiliations
Young-Jun Sohn, Gu-Gon Park, Sung-Dae Yim, Sukkee Um, Tae-Hyun Yang, Young-Gi Yoon, Won-Yong Lee, Chang-Soo Kim

Korea Institute of Energy Research, Yusong, South Korea

Paper No. FUELCELL2005-74144, pp. 239-244; 6 pages
doi:10.1115/FUELCELL2005-74144
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

Air-breathing polymer electrolyte membrane fuel cells (PEMFC) are highly promising particularly for small-power applications up to tens watts class. A distinctive feature of the air-breathing PEMFC is its simple system configuration in which axial fans operate for dual purposes, supplying both oxidant and coolant in a single manner. In the present study, a nominal 80W air-breathing PEMFC system is developed and investigated to determine the optimal operating strategy through parametric studies (i.e., reactant humidity, and fan-blowing flow rate). The cell voltage distributions are examined as a function of time to evaluate the system performance under various operating conditions.

Copyright © 2005 by ASME

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