In this study, an efficient method of approximating individual fuel cell impedances in a stack is proposed and experimentally verified. Two different proton exchange membrane (PEM) fuel cell stacks (600 W with 24 cells and 1.2 kW with 47 cells) were used to develop and verify the method. Both PEM fuel cell stacks were operated using room air and pure hydrogen (99.999%). Impedance and current - voltage (I-V) data were collected for stack and individual cell levels under various operating conditions. The experimental result shows that the individual cell impedance is directly proportional to the corresponding cell voltage. Therefore individual cell impedance can be accurately estimated by performing only stack impedance and individual cell voltage measurements.
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ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2010
Brooklyn, New York, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4405-2
PROCEEDINGS PAPER
An Efficient Approximation Method for an Individual Fuel Cell Impedance Characterization Available to Purchase
Taehee Han,
Taehee Han
University of North Dakota, Grand Forks, ND
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Tessa A. Haagenson,
Tessa A. Haagenson
University of North Dakota, Grand Forks, ND
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Hossein Salehfar,
Hossein Salehfar
University of North Dakota, Grand Forks, ND
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Samir Dahal,
Samir Dahal
University of North Dakota, Grand Forks, ND
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Mike D. Mann
Mike D. Mann
University of North Dakota, Grand Forks, ND
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Taehee Han
University of North Dakota, Grand Forks, ND
Tessa A. Haagenson
University of North Dakota, Grand Forks, ND
Hossein Salehfar
University of North Dakota, Grand Forks, ND
Samir Dahal
University of North Dakota, Grand Forks, ND
Mike D. Mann
University of North Dakota, Grand Forks, ND
Paper No:
FuelCell2010-33345, pp. 735-739; 5 pages
Published Online:
December 3, 2010
Citation
Han, T, Haagenson, TA, Salehfar, H, Dahal, S, & Mann, MD. "An Efficient Approximation Method for an Individual Fuel Cell Impedance Characterization." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 2. Brooklyn, New York, USA. June 14–16, 2010. pp. 735-739. ASME. https://doi.org/10.1115/FuelCell2010-33345
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