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http://dx.doi.org/10.3795/KSME-B.2010.34.7.715

Air Pumps for Polymer Electrolyte Membrane Fuel Cells  

Kwon, Kil-Sung (Dept. of Mechanical Engineering, Sogang Univ.)
Kim, Dae-Joong (Dept. of Mechanical Engineering, Sogang Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.34, no.7, 2010 , pp. 715-720 More about this Journal
Abstract
We propose an electroosmosis-based air delivery scheme for polymer electrolyte fuel cells and experimentally investigate its feasibility. An electroosmotic pump under a low-frequency AC electric field is used to displace initially a volume of pump working liquids. This working liquid is then pumped into a space enclosed by a flexible membrane and the movement of the membrane delivers air to a fuel cell. We successfully demonstrated the operation of a forced-convection fuel cell using this technique. In this preliminary study, however, the power consumption of the pump exceeds the power generated by the fuel cell. We conclude this paper with a discussion of several ways to reduce the pump-to-fuel cell power ratio.
Keywords
Polymer Electrolyte Membrane Fuel Cells; Electroosmosis-Based Air Pump;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 1
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