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Visualization of Liquid Water Transport in a PEFC
Open accessAbstract
Using an optical /air polymer electrolyte fuel cell (PEFC), the mechanics of liquid water transport, starting from droplet emergence on the gas diffusion layer (GDL) surface, droplet growth and departure, to the two-phase flow in gas channels, is characterized under automotive conditions of 0.82 A/cm 2 , 70°C, and 2 atm. It is observed that water droplets emerge from the GDL surface under oversaturation of water vapor in the gas phase, appear only at preferential locations, and can grow to a size comparable to the channel dimension under the influence of surface adhesion. Liquid film formation on more hydrophilic channel walls and channel clogging are also revealed and analyzed. © 2004 The Electrochemical Society. All rights reserved.
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Cited by
Wang, Y., Chen, K. S., Mishler, J., Cho, S. C., & Adroher, X. C. (2011) · Applied Energy · doi:10.1016/j.apenergy.2010.09.030 · Cited by 3,329
Water transport in polymer electrolyte membrane fuel cells
Jiao, K., & Li, X. (2011) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2010.06.002 · Cited by 1,086
Hydrophilic and superhydrophilic surfaces and materials
Drelich, J., Chibowski, E., Meng, D. D., & Terpilowski, K. (2011) · Soft Matter · doi:10.1039/c1sm05849e · Cited by 911
A review of accelerated stress tests of MEA durability in PEM fuel cells
ZHANG, S., YUAN, X., WANG, H., MERIDA, W., ZHU, H., SHEN, J., WU, S., & ZHANG, J. (2009) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2008.10.012 · Cited by 525
Liquid water visualization in PEM fuel cells: A review
Bazylak, A. (2009) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2009.02.084 · Cited by 443
Metadata
- Authors
- Yang, X. G., Zhang, F. Y., Lubawy, A. L., & Wang, C. Y.
- Venue
- Electrochemical and Solid-State Letters
- Publisher
- The Electrochemical Society
- Published
- 2004
- Volume
- 7
- Issue
- 11
- Pages
- A408
- ISSN
- 1099-0062 (ISSN-L)
- OpenAlex
- W2022456652
- Cited by
- 384
- References
- 0
- FWCI
- 26.16
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Yang, X. G., Zhang, F. Y., Lubawy, A. L., & Wang, C. Y. (2004). Visualization of Liquid Water Transport in a PEFC. Electrochemical and Solid-State Letters. https://doi.org/10.1149/1.1803051
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