This paper observes phenomena related to water production behavior inside a fuel cell and analyzes the effect on the current and temperature distribution across the reaction area. A fuel cell permitting direct observation of the phenomena in the cell, 2-D temperature measurements in the cathode channels, and local current density measurements on the anode side was manufactured. The experimental results showed the production and flow of liquid water in the cell, and there were good correlations among the distributions of current density, temperature, and water amounts in the channels. The behavior of current, voltage, water distribution, and pressure differences in the cathode channels were used to hypothesize about the possibility of gas paths deep in the gas diffusion layer in the flooded condition and a positive feedback mechanism in the drying-out condition.
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ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology
June 19–21, 2006
Irvine, California, USA
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4247-9
PROCEEDINGS PAPER
Measurement of Water Production Behavior, Temperature, and Current Density Distributions in a Polymer Electrolyte Fuel Cell
Takemi Chikahisa,
Takemi Chikahisa
Hokkaido University, Hokkaido, Japan
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Yutaka Tabe,
Yutaka Tabe
Hokkaido University, Hokkaido, Japan
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Kazushige Kikuta,
Kazushige Kikuta
Hokkaido University, Hokkaido, Japan
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Naofumi Nohara,
Naofumi Nohara
Hokkaido University, Hokkaido, Japan
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Hideki Shinohara
Hideki Shinohara
Hitachi, Ltd., Japan
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Takemi Chikahisa
Hokkaido University, Hokkaido, Japan
Yutaka Tabe
Hokkaido University, Hokkaido, Japan
Kazushige Kikuta
Hokkaido University, Hokkaido, Japan
Naofumi Nohara
Hokkaido University, Hokkaido, Japan
Hideki Shinohara
Hitachi, Ltd., Japan
Paper No:
FUELCELL2006-97016, pp. 25-30; 6 pages
Published Online:
September 15, 2008
Citation
Chikahisa, T, Tabe, Y, Kikuta, K, Nohara, N, & Shinohara, H. "Measurement of Water Production Behavior, Temperature, and Current Density Distributions in a Polymer Electrolyte Fuel Cell." Proceedings of the ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B. Irvine, California, USA. June 19–21, 2006. pp. 25-30. ASME. https://doi.org/10.1115/FUELCELL2006-97016
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