In this study, the performance of a polymer electrolyte membrane fuel cell with double-side microporous layer (MPL) coating on gas diffusion layer (GDL) is investigated experimentally. A standard commercial SGL® 10BA carbon paper is used as the substrate and it is coated with MPL on both sides of the paper with different composition. Three different carbon powders are used in the experiments, including Vulcan XC-72R, Acetylene black, and Black Pearls 2000. The effect of polytetrafluoroethylene (PTFE) content is also considered. A single cell testing apparatus is constructed to measure the cell performance and evaluate the effect of GDL with double-side MPL coating. Accordingly, the optimal fabrication parameters of double-side MPL are determined. The result shows that under the same operating conditions, the performance of fuel cell using GDL with double-side MPL is better than that using general single-side MPL. The Acetylene black is found to give the best cell performance than the others. The optimal composition of MPL on the surfaces facing to the catalyst layer and flow-channel plate are 1.25 mg/cm2 and 0.25 mg/cm2, respectively. Besides, the optimal PTFE content is the same on both sides of MPL which is found to be 20 wt%.
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April 2013
This article was originally published in
Journal of Fuel Cell Science and Technology
Research-Article
Effect of Gas Diffusion Layer With Double-Side Microporous Layer Coating on Polymer Electrolyte Membrane Fuel Cell Performance
Min-Hsing Chang
Min-Hsing Chang
1
1Corresponding author.
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Min-Hsing Chang
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY. Manuscript received October 25, 2012; final manuscript received January 15, 2013; published online March 21, 2013. Editor: Nigel M. Sammes.
J. Fuel Cell Sci. Technol. Apr 2013, 10(2): 021005 (6 pages)
Published Online: March 21, 2013
Article history
Received:
October 25, 2012
Revision Received:
January 15, 2013
Citation
Chang, H., and Chang, M. (March 21, 2013). "Effect of Gas Diffusion Layer With Double-Side Microporous Layer Coating on Polymer Electrolyte Membrane Fuel Cell Performance." ASME. J. Fuel Cell Sci. Technol. April 2013; 10(2): 021005. https://doi.org/10.1115/1.4023841
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