A single cell flowing electrolyte - direct methanol fuel cell (FE-DMFC) was studied experimentally. Nafion® NRE-212 was used in the membrane electrode assembly (MEA). The flowing electrolyte channel was formed by a polyethylene porous material. The active area of the fuel cell was approximately 25 cm2. Effects of varying flowing electrolyte conditions (channel thickness, sulfuric acid concentration, channel pressure), methanol concentration, and fuel cell temperature on the overall performance of the cell were studied. It was observed that stopping the flowing electrolyte caused a reduction in the open circuit voltage as well as the current of the cell, indicating that the methanol crossover affected the cell performance. Also, it is presented that a thicker flowing electrolyte channel results in lower power density, and sulfuric acid concentration of 2 molar (18%) was found to be the most advantageous. Raising operating temperature resulted in much better performance of the cell. Increasing flowing electrolyte pressure slightly decreased the performance.
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ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability
August 7–10, 2011
Washington, DC, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-5469-3
PROCEEDINGS PAPER
Experimental Analysis of a Single Cell Flowing Electrolyte-Direct Methanol Fuel Cell
Nasim Sabet-Sharghi,
Nasim Sabet-Sharghi
Carleton University, Ottawa, ON, Canada
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Cynthia A. Cruickshank,
Cynthia A. Cruickshank
Carleton University, Ottawa, ON, Canada
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Edgar Matida
Edgar Matida
Carleton University, Ottawa, ON, Canada
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Nasim Sabet-Sharghi
Carleton University, Ottawa, ON, Canada
Cynthia A. Cruickshank
Carleton University, Ottawa, ON, Canada
Edgar Matida
Carleton University, Ottawa, ON, Canada
Paper No:
FuelCell2011-54410, pp. 663-668; 6 pages
Published Online:
March 22, 2012
Citation
Sabet-Sharghi, N, Cruickshank, CA, & Matida, E. "Experimental Analysis of a Single Cell Flowing Electrolyte-Direct Methanol Fuel Cell." Proceedings of the ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability. ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology. Washington, DC, USA. August 7–10, 2011. pp. 663-668. ASME. https://doi.org/10.1115/FuelCell2011-54410
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