This paper deals with the use of microjets as a reactant delivery method for a PEM fuel cell. The flow physics of this technique have been adapted such that an even distribution of reactants over the membrane is achieved. A single cell based on this microjet delivery method has been built and tested using the fuel cell test station at SESEC. Polarization curves were obtained for a number of different operating conditions in which the relative humidity and supply pressure of the air supply were varied. Similar operating conditions were used to obtain polarization curves for a similarly sized commercially available fuel cell that utilizes commonly used serpentine flow channels for reactant delivery. Comparison of the polarization curves at similar operating conditions revealed that the microjet-based fuel cell was relatively unaffected by the changes in relative humidity and and positively affected by an increase in supply pressure, which was in stark contrast to what was observed for the commercial fuel cell.
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ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
June 16–18, 2008
Denver, Colorado, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4318-1
PROCEEDINGS PAPER
A Novel Reactant Delivery System for PEM Fuel Cells Available to Purchase
Brenton Greska,
Brenton Greska
Florida State University, Tallahassee, FL
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Peter DeRoche,
Peter DeRoche
Florida State University, Tallahassee, FL
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Anjaneyulu Krothapalli
Anjaneyulu Krothapalli
Florida State University, Tallahassee, FL
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Brenton Greska
Florida State University, Tallahassee, FL
Peter DeRoche
Florida State University, Tallahassee, FL
Anjaneyulu Krothapalli
Florida State University, Tallahassee, FL
Paper No:
FuelCell2008-65142, pp. 805-810; 6 pages
Published Online:
June 22, 2009
Citation
Greska, B, DeRoche, P, & Krothapalli, A. "A Novel Reactant Delivery System for PEM Fuel Cells." Proceedings of the ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. Denver, Colorado, USA. June 16–18, 2008. pp. 805-810. ASME. https://doi.org/10.1115/FuelCell2008-65142
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