The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.
Revealing the Origin of Activity in Nitrogen‐Doped Nanocarbons towards Electrocatalytic Reduction of Carbon Dioxide
Abstract
Carbon nanotubes (CNTs) are functionalized with nitrogen atoms for reduction of carbon dioxide (CO 2). The investigation explores the origin of the catalyst′s activity and the role of nitrogen chemical states therein. The catalysts show excellent performances, with about 90 % current efficiency for CO formation and stability over 60 hours. The Tafel analyses and density functional theory calculations suggest that the reduction of CO 2 proceeds through an initial rate‐determining transfer of one electron to CO 2, which leads to the formation of carbon dioxide radical anion (CO 2.−). The initial reduction barrier is too high on pristine CNTs, resulting in a very high overpotentials at which the hydrogen evolution reaction dominates over CO 2 reduction. The doped nitrogen atoms stabilize the radical anion, thereby lowering the initial reduction barrier and improving the intrinsic activity. The most efficient nitrogen chemical state for this reaction is quaternary nitrogen, followed by pyridinic and pyrrolic nitrogen.
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Cites
How copper catalyzes the electroreduction of carbon dioxide into hydrocarbon fuels
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Electrocatalytic Conversion of Carbon Dioxide to Methane and Methanol on Transition Metal Surfaces
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Electrocatalysis for CO 2 conversion: from fundamentals to value-added products
Wang, G., Chen, J., Ding, Y., Cai, P., Yi, L., Li, Y., Tu, C., Hou, Y., Wen, Z., & Dai, L. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00071j · Cited by 1,295
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Metal‐Free Carbon Materials for CO2 Electrochemical Reduction
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Self-citationRecent Advances in Electrochemical CO2‐to‐CO Conversion on Heterogeneous Catalysts
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A Graphene‐Supported Single‐Atom FeN5 Catalytic Site for Efficient Electrochemical CO2 Reduction
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Carbon‐Based Metal‐Free Catalysts for Key Reactions Involved in Energy Conversion and Storage
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Metadata
- Authors
- Xu, J., Kan, Y., Huang, R., Zhang, B., Wang, B., Wu, K., Lin, Y., Sun, X., Li, Q., Centi, G., & Su, D.
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2016-04-21
- Volume
- 9
- Issue
- 10
- Pages
- 1085-1089
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W2337608824
- Cited by
- 172
- References
- 6
- FWCI
- 6.61
- Type
- journal article
- Language
- en
- Open access
- closed
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