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Enhanced Sulfur and Coking Tolerance of a Mixed Ion Conductor for SOFCs: BaZr 0.1 Ce 0.7 Y 0.2– x Yb x O 3–δ
Abstract
Cleaning Solid Oxide Fuel Cells: Solid oxide fuel cells, which operate between 500° and 1000°C, transport oxygen through a ceramic material. At these temperatures, metals that catalyze hydrocarbon reforming reactions can also be incorporated so that conventional fuels such as methane can power the cell. One problem, however, has been rapid deactivation by sulfur impurities and carbon buildup. Yang et al. (p. 126 ; see the Perspective by Selman ) report that doping of a barium zirconate-cerate with the rare-earths Y and Yb creates a material that transports both protons and oxygen ions at 750°C. This material, when used with nickel at the fuel cell anode, resists deactivation even when traces of hydrogen sulfide are present, apparently through enhanced ability to supply or remove water during surface reactions.
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Cited by
Sengodan, S., Choi, S., Jun, A., Shin, T. H., Ju, Y.-W., Jeong, H. Y., Shin, J., Irvine, J. T. S., & Kim, G. (2015) · Nature Materials · doi:10.1038/nmat4166 · Cited by 746
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Zhang, W., Liu, M., Gu, X., Shi, Y., Deng, Z., & Cai, N. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00573 · Cited by 441
Self-citationRevitalizing interface in protonic ceramic cells by acid etch
Bian, W., Wu, W., Wang, B., Tang, W., Zhou, M., Jin, C., Ding, H., Fan, W., Dong, Y., Li, J., et al. (2022) · Nature · doi:10.1038/s41586-022-04457-y · Cited by 404
Gür, T. M. (2016) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2015.10.004 · Cited by 340
Hybrid-solid oxide electrolysis cell: A new strategy for efficient hydrogen production
Kim, J., Jun, A., Gwon, O., Yoo, S., Liu, M., Shin, J., Lim, T.-H., & Kim, G. (2018) · Nano Energy · doi:10.1016/j.nanoen.2017.11.074 · Cited by 312
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Metadata
- Authors
- Yang, L., Wang, S., Blinn, K., Liu, M., Liu, Z., Cheng, Z., & Liu, M.
- Venue
- Science
- Published
- 2009-10-02
- Volume
- 326
- Issue
- 5949
- Pages
- 126-129
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2094993596
- Cited by
- 1,225
- References
- 0
- FWCI
- 22.65
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, L., Wang, S., Blinn, K., Liu, M., Liu, Z., Cheng, Z., & Liu, M. (2009). Enhanced Sulfur and Coking Tolerance of a Mixed Ion Conductor for SOFCs: BaZr 0.1 Ce 0.7 Y 0.2– x Yb x O 3–δ. Science. https://doi.org/10.1126/science.1174811
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