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A Reverse-Current Decay Mechanism for Fuel Cells
Open accessAbstract
A mechanism that may cause accelerated performance decay of fuel cells is presented. The mechanism is explained using a one-dimensional model of the potential profile. The analysis indicates that the electrolyte potential drops from 0 to ( vs. RHE) when the anode is partially exposed to hydrogen and partially exposed to oxygen. This causes flow of current opposite to normal fuel cell mode at the oxygen-exposed region and raises the cathode interfacial potential difference to 1.44 V, causing carbon corrosion, which decreases performance. The decay mechanism was validated using two different experimental setups which reproduced the carbon-corrosion phenomenon.
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Cited by
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Scientific Aspects of Polymer Electrolyte Fuel Cell Durability and Degradation
Borup, R., Meyers, J., Pivovar, B., Kim, Y. S., Mukundan, R., Garland, N., Myers, D., Wilson, M., Garzon, F., Wood, D., et al. (2007) · Chemical Reviews · doi:10.1021/cr050182l · Cited by 3,402
Anion-exchange membranes in electrochemical energy systems
Varcoe, J. R., Atanassov, P., Dekel, D. R., Herring, A. M., Hickner, M. A., Kohl, P. A., Kucernak, A. R., Mustain, W. E., Nijmeijer, K., Scott, K., et al. (2014) · Energy Environ. Sci. · doi:10.1039/c4ee01303d · Cited by 2,051
New roads and challenges for fuel cells in heavy-duty transportation
Cullen, D. A., Neyerlin, K. C., Ahluwalia, R. K., Mukundan, R., More, K. L., Borup, R. L., Weber, A. Z., Myers, D. J., & Kusoglu, A. (2021) · Nature Energy · doi:10.1038/s41560-021-00775-z · Cited by 1,277
Metadata
- Authors
- Reiser, C. A., Bregoli, L., Patterson, T. W., Yi, J. S., Yang, J. D., Perry, M. L., & Jarvi, T. D.
- Venue
- Electrochemical and Solid-State Letters
- Publisher
- The Electrochemical Society
- Published
- 2005
- Volume
- 8
- Issue
- 6
- Pages
- A273
- ISSN
- 1099-0062 (ISSN-L)
- OpenAlex
- W2151281598
- Cited by
- 976
- References
- 0
- FWCI
- 20.34
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Reiser, C. A., Bregoli, L., Patterson, T. W., Yi, J. S., Yang, J. D., Perry, M. L., & Jarvi, T. D. (2005). A Reverse-Current Decay Mechanism for Fuel Cells. Electrochemical and Solid-State Letters. https://doi.org/10.1149/1.1896466
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