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Confined small-sized cobalt catalysts stimulate carbon-chain growth reversely by modifying ASF law of Fischer–Tropsch synthesis
Open accessAbstract
Fischer–Tropsch synthesis (FTS) is a promising technology to convert syngas derived from non-petroleum-based resources to valuable chemicals or fuels. Selectively producing target products will bring great economic benefits, but unfortunately it is theoretically limited by Anderson–Schulz–Flory (ASF) law. Herein, we synthesize size-uniformed cobalt nanocrystals embedded into mesoporous SiO 2 supports, which is likely the structure of water-melon seeds inside pulps. We successfully tune the selectivity of products from diesel-range hydrocarbons (66.2%) to gasoline-range hydrocarbons (62.4%) by controlling the crystallite sizes of confined cobalt from 7.2 to 11.4 nm, and modify the ASF law. Generally, larger Co crystallites increase carbon-chain growth, producing heavier hydrocarbons. But here, we interestingly observe a reverse phenomenon: the uniformly small-sized cobalt crystallites can strongly adsorb active C* species, and the confined structure will inhibit aggregation of cobalt crystallites and escape of reaction intermediates in FTS, inducing the higher selectivity towards heavier hydrocarbons.
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Cited by
Ru/CeO2 Catalyst with Optimized CeO2 Support Morphology and Surface Facets for Propane Combustion
Wang, Z., Huang, Z., Brosnahan, J. T., Zhang, S., Guo, Y., Guo, Y., Wang, L., Wang, Y., & Zhan, W. (2019) · Environmental Science & Technology · doi:10.1021/acs.est.9b01929 · Cited by 377
Self-citationSignificant Advances in C1 Catalysis: Highly Efficient Catalysts and Catalytic Reactions
Bao, J., Yang, G., Yoneyama, Y., & Tsubaki, N. (2019) · ACS Catalysis · doi:10.1021/acscatal.8b03924 · Cited by 367
Self-citationFischer–Tropsch Synthesis Catalysts for Selective Production of Diesel Fraction
Mazurova, K., Miyassarova, A., Eliseev, O., Stytsenko, V., Glotov, A., & Stavitskaya, A. (2023) · Catalysts · doi:10.3390/catal13081215 · Cited by 28
Metadata
- Authors
- Cheng, Q., Tian, Y., Lyu, S., Zhao, N., Ma, K., Ding, T., Jiang, Z., Wang, L., Zhang, J., Zheng, L., Gao, F., Dong, L., Tsubaki, N., & Li, X.
- Venue
- Nature Communications
- Published
- 2018-08-14
- Volume
- 9
- Issue
- 1
- Pages
- 3250-3250
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2887918912
- Cited by
- 276
- References
- 0
- FWCI
- 6.42
- Type
- journal article
- Language
- en
- Open access
- gold
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- CoChat. (2026). Citation check: Confined small-sized cobalt catalysts stimulate carbon-chain growth reversely by modifying ASF law of Fischer–Tropsch synthesis. https://app.cochat.ai/papers/10.1038/s41467-018-05755-8
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- Cheng, Q., Tian, Y., Lyu, S., Zhao, N., Ma, K., Ding, T., Jiang, Z., Wang, L., Zhang, J., Zheng, L., Gao, F., Dong, L., Tsubaki, N., & Li, X. (2018). Confined small-sized cobalt catalysts stimulate carbon-chain growth reversely by modifying ASF law of Fischer–Tropsch synthesis. Nature Communications. https://doi.org/10.1038/s41467-018-05755-8
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