Water management is a large issue for putting PEMFC to practical use. Appropriate water management enables us to suppress the drying in PEM (Polymer Electrolyte Membrane) and the flooding in GDL (Gas Diffusion Layer), which degrade the performance of PEMFC. Against the background of importance for the water management, we challenged to develop the measurement method to grasp the water behavior in PEMFC. Especially, we focused on through-plane direction measurement, because the through-plane direction in cell has major role for the transport of mass, heat and electric charge in the cell. We developed the three methods to measure the water in cell directly or indirectly: cross sectional cell: micro NMR-sensor array: micro thermocouple array. These three methods successively captured the distribution of the liquid water in GDL, the water content in PEM and the temperature in cell. The data obtained help us to give the possible mechanism of how the water in cell impacted the cell voltage.
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ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels
June 22–24, 2009
Pohang, South Korea
Conference Sponsors:
- Nanotechnology Institute
ISBN:
978-0-7918-4349-9
PROCEEDINGS PAPER
In-Situ Measurement in Through-Plane Direction in PEMFC
Sangkun Lee,
Sangkun Lee
Kyushu University, Fukuoka, Japan
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Atsushi Yamamoto,
Atsushi Yamamoto
Kyushu University, Fukuoka, Japan
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Masaaki Hirano,
Masaaki Hirano
Kyushu University, Fukuoka, Japan
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Hidetaka Muramatsu,
Hidetaka Muramatsu
Kyushu University, Fukuoka, Japan
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Kazunari Sasaki,
Kazunari Sasaki
Kyushu University, Fukuoka, Japan
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Kuniyasu Ogawa
Kuniyasu Ogawa
Keio University, Fukuoka, Japan
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Kohei Ito
Kyushu University, Fukuoka, Japan
Sangkun Lee
Kyushu University, Fukuoka, Japan
Atsushi Yamamoto
Kyushu University, Fukuoka, Japan
Masaaki Hirano
Kyushu University, Fukuoka, Japan
Hidetaka Muramatsu
Kyushu University, Fukuoka, Japan
Kazunari Sasaki
Kyushu University, Fukuoka, Japan
Kuniyasu Ogawa
Keio University, Fukuoka, Japan
Paper No:
ICNMM2009-82132, pp. 1241-1247; 7 pages
Published Online:
September 21, 2010
Citation
Ito, K, Lee, S, Yamamoto, A, Hirano, M, Muramatsu, H, Sasaki, K, & Ogawa, K. "In-Situ Measurement in Through-Plane Direction in PEMFC." Proceedings of the ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels. Pohang, South Korea. June 22–24, 2009. pp. 1241-1247. ASME. https://doi.org/10.1115/ICNMM2009-82132
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