The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Curved Surface Boosts Electrochemical CO2 Reduction to Formate via Bismuth Nanotubes in a Wide Potential Window
Abstract
Electrochemical CO 2 reduction reaction (CO2RR) to formate is considered as one of the most promising routes for value-added fuels and chemical productions. The achievement of excellent activity and high Faradaic efficiency in a wide potential range is critical for mature applications. To this regard, we first employed density functional theory simulations to predict activity of Bi nanotubes and Bi nanosheets to CO2RR and selectivity toward formate. The theoretical thermodynamic analysis of the reaction energetics suggests that the limiting potential for CO 2 reduction to HCOOH decreases with the increase of the curvature, suggesting a wider potential window of Bi nanotubes for formate formation. Then, Bi nanotubes with highly curved surface were experimentally prepared, showing a large current density (−39.4 mA cm –2 at −1.1 V vs reversible hydrogen electrode (RHE)) for CO 2 reduction and a maximum formate selectivity of 97% at −1.0 V vs RHE. More importantly, compared with Bi nanosheets, an appreciable selectivity for formate was achieved on Bi nanotubes in a significantly wider potential window of ∼600 mV (selectivity > 80%). This research provides not only the CO2RR activity–surface structure relationship of metallic Bi but also an efficient strategy for the rational design of electrocatalysts with high activity and selectivity in a wide potential window for CO2RR, which is favorable for compatible application with varied types of photovoltaics and other renewable energy sources.
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Enhanced electrocatalytic CO2 reduction via field-induced reagent concentration
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Prabhu, P., Jose, V., & Lee, J. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201910768 · Cited by 432
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Role of oxygen-bound reaction intermediates in selective electrochemical CO 2 reduction
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Metadata
- Authors
- Fan, K., Jia, Y., Ji, Y., Kuang, P., Zhu, B., Liu, X., & Yu, J.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-11-27
- Volume
- 10
- Issue
- 1
- Pages
- 358-364
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2989589299
- Cited by
- 298
- References
- 52
- FWCI
- 7.47
- Type
- journal article
- Language
- en
- Open access
- closed
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