NDLI: Experimental Analysis of a Single Cell Flowing Electrolyte-Direct Methanol Fuel Cell

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Sabet-Sharghi, Nasim Cynthia, A. Cruickshank Matida, Edgar
Copyright Year	2011
Abstract	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.
Sponsorship	Advanced Energy Systems Division
Starting Page	663
Ending Page	668
Page Count	6
File Format	PDF
ISBN	9780791854693
DOI	10.1115/FuelCell2011-54410
Volume Number	ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology
Conference Proceedings	ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability
Language	English
Publisher Date	2011-08-07
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Direct methanol fuel cell Methanol crossover Flowing electrolyte Electrolytes Direct methanol fuel cells Experimental analysis Fuel cells Methanol
Content Type	Text
Resource Type	Article

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