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Atomically dispersed Au1 catalyst towards efficient electrochemical synthesis of ammonia
Abstract
Tremendous efforts have been devoted to explore energy-efficient strategies of ammonia synthesis to replace Haber-Bosch process which accounts for 1.4% of the annual energy consumption. In this study, atomically dispersed Au1 catalyst is synthesized and applied in electrochemical synthesis of ammonia under ambient conditions. A high NH4+ Faradaic efficiency of 11.1% achieved by our Au1 catalyst surpasses most of reported catalysts under comparable conditions. Benefiting from efficient atom utilization, an NH4+ yield rate of 1,305 μg h-1 mgAu-1 has been reached, which is roughly 22.5 times as high as that by supported Au nanoparticles. We also demonstrate that by employing our Au1 catalyst, NH4+ can be electrochemically produced directly from N2 and H2 with an energy utilization rate of 4.02 mmol kJ-1. Our study provides a possibility of replacing the Haber-Bosch process with environmentally benign and energy-efficient electrochemical strategies.
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Cites
Origin of the Overpotential for Oxygen Reduction at a Fuel-Cell Cathode
Nørskov, J. K., Rossmeisl, J., Logadottir, A., Lindqvist, L., Kitchin, J. R., Bligaard, T., & Jónsson, H. (2004) · The Journal of Physical Chemistry B · doi:10.1021/jp047349j · Cited by 13,153
Combining theory and experiment in electrocatalysis: Insights into materials design
Seh, Z. W., Kibsgaard, J., Dickens, C. F., Chorkendorff, I., Nørskov, J. K., & Jaramillo, T. F. (2017) · Science · doi:10.1126/science.aad4998 · Cited by 12,114
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Defect engineering in earth-abundant electrocatalysts for CO2 and N2 reduction
Wang, Q., Lei, Y., Wang, D., & Li, Y. (2019) · Energy & Environmental Science · doi:10.1039/c8ee03781g · Cited by 574
Self-citationAmmonia and Nitric Acid Demands for Fertilizer Use in 2050
Lim, J., Fernández, C. A., Lee, S. W., & Hatzell, M. C. (2021) · ACS Energy Letters · doi:10.1021/acsenergylett.1c01614 · Cited by 523
Recent Advances in MOF‐Derived Single Atom Catalysts for Electrochemical Applications
Song, Z., Zhang, L., Doyle‐Davis, K., Fu, X., Luo, J., & Sun, X. (2020) · Advanced Energy Materials · doi:10.1002/aenm.202001561 · Cited by 412
Electrocatalysis of Single-Atom Sites: Impacts of Atomic Coordination
Lu, B., Liu, Q., & Chen, S. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c01950 · Cited by 394
Thermal Emitting Strategy to Synthesize Atomically Dispersed Pt Metal Sites from Bulk Pt Metal
Qu, Y., Chen, B., Li, Z., Duan, X., Wang, L., Lin, Y., Yuan, T., Zhou, F., Hu, Y., Yang, Z., et al. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.8b09834 · Cited by 392
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Metadata
- Authors
- Wang, X., Wang, W., Qiao, M., Wu, G., Chen, W., Yuan, T., Xu, Q., Chen, M., Zhang, Y., Wang, X., Wang, J., Ge, J., Hong, X., Li, Y., Wu, Y., & Li, Y.
- Venue
- Science Bulletin
- Publisher
- Elsevier BV
- Published
- 2018-10
- Volume
- 63
- Issue
- 19
- Pages
- 1246-1253
- ISSN
- 2095-9273 (ISSN-L)
- OpenAlex
- W2851134227
- Cited by
- 278
- References
- 2
- FWCI
- 8.23
- Type
- journal article
- Language
- en
- Open access
- closed
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