The study develops a portable charger platform that contains a direct methanol fuel cell (DMFC) consisting of a set of planar DMFCs with current collectors, Fractal Hilbert Geometry and a power balance plant (BOP). The third order Hilbert geometry is used for the 35×35 mm2 current collectors. The system output design is set at 5V controlled by a power balance plant applied to 3C low power products. This paper discusses the Methanol feed rate, air flow rate, bipolar plate thickness and power balance plant layout for DMFC performance. To evaluate the reliability and efficiency of the DMFC power source, a data acquisition (DAQ) system connected to a real time monitor is used to assess the current and voltage output from the DMFC system while running different parameters. The results show the current of the charger system obtain 84 mA and 103 mA under 2V and 3V input voltage converters respectively. The transform efficiency for power balance plant is up to about 84% for 3V input voltage converter.
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ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology
June 8–10, 2009
Newport Beach, California, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4881-4
PROCEEDINGS PAPER
The Application of a Portable DMFCs Stack With Fractal Current Collectors Using Hilbert Geometry for a Charger System Available to Purchase
Shah-Rong Lee,
Shah-Rong Lee
Technology and Science Institute of Northern Taiwan, Taipei, Taiwan
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Yean-Der Kuan,
Yean-Der Kuan
National Chin-Yi University of Technology, Taichung, Taiwan
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Min-Feng Sung,
Min-Feng Sung
Tamkang University, Taipei, Taiwan
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Jing-Yi Chang,
Jing-Yi Chang
Tamkang University, Taipei, Taiwan
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Shi-Min Lee
Shi-Min Lee
Tamkang University, Taipei, Taiwan
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Shah-Rong Lee
Technology and Science Institute of Northern Taiwan, Taipei, Taiwan
Yean-Der Kuan
National Chin-Yi University of Technology, Taichung, Taiwan
Min-Feng Sung
Tamkang University, Taipei, Taiwan
Jing-Yi Chang
Tamkang University, Taipei, Taiwan
Shi-Min Lee
Tamkang University, Taipei, Taiwan
Paper No:
FuelCell2009-85133, pp. 867-870; 4 pages
Published Online:
February 17, 2010
Citation
Lee, S, Kuan, Y, Sung, M, Chang, J, & Lee, S. "The Application of a Portable DMFCs Stack With Fractal Current Collectors Using Hilbert Geometry for a Charger System." Proceedings of the ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. Newport Beach, California, USA. June 8–10, 2009. pp. 867-870. ASME. https://doi.org/10.1115/FuelCell2009-85133
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