Heat and water transport in polymer electrolyte membrane fuel cell (PEMFC) has considerable impacts on cell performance under high current density which is desired in PEMFC for automobiles. In this study, the impact of rib/channel, heat and water transport on cell performance under high current density was investigated by experimental evaluation of liquid water distribution and numerical validation. Liquid water distribution between rib and channel is evaluated by Neutron Radiography. In order to neglect the effect of liquid water in channel and the distribution of oxygen and hydrogen concentration distribution along with channel length, the differential cell was used in this study. Experimental results show that liquid water under channel was dramatically changed with Rib/Channel width. From numerical study, it is found that the change of liquid water distribution was strongly affected by temperature distribution between rib and channel. In addition, not only heat transport but also water transport through membrane also significantly affected cell performance under high current density operation. From numerical validation, it is concluded that this effect on cell performance under high current density could be due to the enhancement of back-diffusion of water through membrane.
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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:
978-0-7918-4404-5
PROCEEDINGS PAPER
RIB/Channel Effect on Cell Performance Under High Current Density Operation Available to Purchase
Yuichiro Tabuchi,
Yuichiro Tabuchi
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
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Takeshi Shiomi,
Takeshi Shiomi
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
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Osamu Aoki,
Osamu Aoki
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
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Norio Kubo,
Norio Kubo
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
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Kazuhiko Shinohara
Kazuhiko Shinohara
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
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Yuichiro Tabuchi
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
Takeshi Shiomi
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
Osamu Aoki
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
Norio Kubo
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
Kazuhiko Shinohara
Nissan Motor Co., Ltd., Yokosuka, Kanagawa, Japan
Paper No:
FuelCell2010-33043, pp. 11-19; 9 pages
Published Online:
December 3, 2010
Citation
Tabuchi, Y, Shiomi, T, Aoki, O, Kubo, N, & Shinohara, K. "RIB/Channel Effect on Cell Performance Under High Current Density Operation." 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 1. Brooklyn, New York, USA. June 14–16, 2010. pp. 11-19. ASME. https://doi.org/10.1115/FuelCell2010-33043
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