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Electrocatalytic Synthesis of Ammonia at Room Temperature and Atmospheric Pressure from Water and Nitrogen on a Carbon‐Nanotube‐Based Electrocatalyst
Abstract
Ammonia is synthesized directly from water and N 2 at room temperature and atmospheric pressure in a flow electrochemical cell operating in gas phase (half‐cell for the NH 3 synthesis). Iron supported on carbon nanotubes (CNTs) was used as the electrocatalyst in this half‐cell. A rate of ammonia formation of 2.2×10−3 g m−2 h−1 was obtained at room temperature and atmospheric pressure in a flow of N 2, with stable behavior for at least 60 h of reaction, under an applied potential of −2.0 V. This value is higher than the rate of ammonia formation obtained using noble metals (Ru/C) under comparable reaction conditions. Furthermore, hydrogen gas with a total Faraday efficiency as high as 95.1 % was obtained. Data also indicate that the active sites in NH 3 electrocatalytic synthesis may be associated to specific carbon sites formed at the interface between iron particles and CNT and able to activate N 2, making it more reactive towards hydrogenation.
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Cites
Review of electrochemical ammonia production technologies and materials
Giddey, S., Badwal, S. P. S., & Kulkarni, A. (2013) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2013.09.054 · Cited by 886
Cited by
Wang, Y., Zhou, W., Jia, R., Yu, Y., & Zhang, B. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.201915992 · Cited by 1,641
A Review of Electrocatalytic Reduction of Dinitrogen to Ammonia under Ambient Conditions
Cui, X., Tang, C., & Zhang, Q. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201800369 · Cited by 1,314
A review of ammonia as a compression ignition engine fuel
Dimitriou, P., & Javaid, R. (2020) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2019.12.209 · Cited by 991
Geng, Z., Liu, Y., Kong, X., Li, P., Li, K., Liu, Z., Du, J., Shu, M., Si, R., & Zeng, J. (2018) · Advanced Materials · doi:10.1002/adma.201803498 · Cited by 913
Wang, J., Yu, L., Hu, L., Chen, G., Xin, H., & Feng, X. (2018) · Nature Communications · doi:10.1038/s41467-018-04213-9 · Cited by 803
Metadata
- Authors
- Chen, S., Perathoner, S., Ampelli, C., Mebrahtu, C., Su, D., & Centi, G.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2017-01-27
- Volume
- 56
- Issue
- 10
- Pages
- 2699-2703
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2581496517
- Cited by
- 615
- References
- 1
- FWCI
- 29.33
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, S., Perathoner, S., Ampelli, C., Mebrahtu, C., Su, D., & Centi, G. (2017). Electrocatalytic Synthesis of Ammonia at Room Temperature and Atmospheric Pressure from Water and Nitrogen on a Carbon‐Nanotube‐Based Electrocatalyst. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201609533
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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