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This publication was created as part of NCCR Catalysis (grant number 180544), a National Centre of Competence in Research funded by the Swiss National Science Foundation. B.S.Y. thanks the National Research Foundation of Singapore (Urban Solutions and Sustainability, Industry Alignment Fund (Pre-Positioning) Programme, A-0004543-00-00) and the Ministry of Education, Singapore (A-8001571-00-00) for financial support. R.R.S. and Z.L. acknowledge funding from the European Union's Horizon Europe research and innovation programmes Marie Sk & lstrok;odowska-Curie grant agreement nos. 754510 and 101064867. N.L., Z.L., and R.R.S. thank the Spanish Ministry of Science and Innovation (PID2021-122516OB-I00), Severo Ochoa (CEX2019-000925-S) and the Barcelona Supercomputing Center (BSC-RES). Dr. Georgios Giannakakis is thanked for assistance with XAS data analysis.

Analysis of institutional authors

Seemakurthi, Ranga RohitAuthorLian, ZanAuthorLopez, NuriaCorresponding Author

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Article

CO2 Electroreduction to Long-Chain Hydrocarbons on Cobalt Catalysts

Publicated to:Advanced Energy Materials. 14 (47): 2401447-- - 2024-09-24 14(47), DOI: 10.1002/aenm.202401447

Authors: Preikschas, Phil; Zhang, Jie; Seemakurthi, Ranga Rohit; Lian, Zan; Martin, Antonio Jose; Xi, Shibo; Krumeich, Frank; Ma, Haibin; Zhou, Yansong; Lopez, Nuria; Yeo, Boon Siang; Perez-Ramirez, Javier

Affiliations

ASTAR, Inst Sustainabil Chem Energy & Environm ISCE2, 1 Pesek Rd Jurong Isl, Singapore 627833, Singapore - Author
Barcelona Inst Sci & Technol, Inst Chem Res Catalonia ICIQ CERCA, Ave Paisos Catalans 16, Tarragona 43007, Spain - Author
Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore - Author
Swiss Fed Inst Technol, Dept Chem & Appl Biosci, Lab Inorgan Chem, Vladimir Prelog Weg 1, CH-8093 Zurich, Switzerland - Author
Swiss Fed Inst Technol, Inst Chem & Bioengn, Dept Chem & Appl Biosci, Vladimir Prelog Weg 1, CH-8093 Zurich, Switzerland - Author
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Abstract

Renewable-powered electrocatalytic CO2 conversion to long-chain hydrocarbons represents a sustainable path to produce chemicals and fuels. However, recently discovered systems still lack C-C coupling capabilities required to yield longer, more valuable carbon chains. This study reports cobalt catalysts with a focus on a Co3O4-derived material for the selective conversion of CO2 to C-1-C-7 hydrocarbons, following an Anderson-Schulz-Flory distribution. The obtained chain growth probability (alpha) of 0.54 substantially exceeds that of any other known electrocatalyst, which ranged from 0.2 to 0.4. Detailed in situ characterization and simulations indicated that Co-Co3O4 interfaces, formed in situ during CO2 electrolysis, are the active sites that promote enhanced chain growth. To prevent overreduction that causes the deactivation of these interfacial sites, the electrode is exposed to intermittent short reoxidation cycles during CO2 electrolysis. Consequently, the catalyst regained its oxidic phase and ability to form hydrocarbons. Overall, this study opens new frontiers in the one-step conversion of CO2 into multi-carbon products and suggests the exploration of metal-metal oxide interfaces as a promising strategy for further progress.

Keywords

Co2 reductionCo3o4CobaltElectrodeFischer-tropsch synthesisHeterogeneous catalysisHydrogen evolutionInitio molecular-dynamicsMetalMetal-metal oxide interfaceMulticarbon productNanoparticlesProductsReductionTransition

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Advanced Energy Materials due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 4/79, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Applied. Notably, the journal is positioned above the 90th percentile.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-30:

  • WoS: 2
  • Scopus: 7

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-30:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 47.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 47 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 7.2.
  • The number of mentions on the social network X (formerly Twitter): 12 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: http://hdl.handle.net/2072/537830

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Singapore; Switzerland.

the author responsible for correspondence tasks has been López Alonso, Núria.