Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte
Stephanie A. Nitopi,Erlend Bertheussen,Søren Bertelsen Scott,Xinyan Liu,Albert K. Engstfeld,Albert K. Engstfeld,Sebastian Horch,Brian Seger,Ifan E. L. Stephens,Ifan E. L. Stephens,Karen Chan,Karen Chan,Christopher Hahn,Christopher Hahn,Jens K. Nørskov,Jens K. Nørskov,Jens K. Nørskov,Thomas F. Jaramillo,Thomas F. Jaramillo,Ib Chorkendorff +19 more
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TLDR
A broad and historical view of different aspects and their complex interplay in CO2R catalysis on Cu is taken, with the purpose of providing new insights, critical evaluations, and guidance to the field with regard to research directions and best practices.Abstract:
To date, copper is the only heterogeneous catalyst that has shown a propensity to produce valuable hydrocarbons and alcohols, such as ethylene and ethanol, from electrochemical CO2 reduction (CO2R). There are variety of factors that impact CO2R activity and selectivity, including the catalyst surface structure, morphology, composition, the choice of electrolyte ions and pH, and the electrochemical cell design. Many of these factors are often intertwined, which can complicate catalyst discovery and design efforts. Here we take a broad and historical view of these different aspects and their complex interplay in CO2R catalysis on Cu, with the purpose of providing new insights, critical evaluations, and guidance to the field with regard to research directions and best practices. First, we describe the various experimental probes and complementary theoretical methods that have been used to discern the mechanisms by which products are formed, and next we present our current understanding of the complex reaction networks for CO2R on Cu. We then analyze two key methods that have been used in attempts to alter the activity and selectivity of Cu: nanostructuring and the formation of bimetallic electrodes. Finally, we offer some perspectives on the future outlook for electrochemical CO2R.read more
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Syngas Production from Electrochemical CO2 Reduction on Copper Oxide Electrodes in Aqueous Solution
Journal ArticleDOI
Tuning the C1/C2 Selectivity of Electrochemical CO2 Reduction on Cu–CeO2 Nanorods by Oxidation State Control
Seung-Ah Hong,Hafiz Ghulam Abbas,Kyuseon Jang,Kshirodra Kumar Patra,Beom-Sik Kim,Byeong-Uk Choi,Hak Hyeon Song,Kug-Seung Lee,Pyuck-Pa Choi,Stefan Ringe,Jihun Oh +10 more
TL;DR: In this paper , a Cu-CeO2 nanorod electrochemical CO2 reduction catalyst is presented, where the authors use operando analysis and computational techniques to find that, on the application of a reductive electrochemical potential, Cu undergoes an abrupt change in solubility in the ceria matrix converting from less stable randomly dissolved single atomic Cu2+ ions to (Cu0,Cu1+) nanoclusters.
Journal ArticleDOI
What We Currently Know about Carbon-Supported Metal and Metal Oxide Nanomaterials in Electrochemical CO2 Reduction
Milla Suominen,Tanja Kallio +1 more
TL;DR: In this paper, the USVA project (USVA project) and Academy of Finland (Aalto University Profi 5) provided financial support for the study of the problem.
Journal ArticleDOI
The effects of power ultrasound (24 kHz) on the electrochemical reduction of CO2 on polycrystalline copper electrodes.
Hujjatul Islam,Hamed Mehrabi,Robert H. Coridan,Odne Stokke Burheim,Jean-Yves Hihn,Bruno G. Pollet +5 more
TL;DR: It was found that power ultrasound increases the formation of smaller hydrocarbons through the CO2RR and may initiate new chemical reaction pathways through the sonolytic di-hydrogen splitting yielding other products, and simultaneously reducing the overall molecular hydrogen gas formation.
Journal ArticleDOI
Wheel-shaped icosanuclear Cu-containing polyoxometalate catalyst: Mechanistic and stability studies on light-driven hydrogen generation
Luana Martin-Russu,Liemin Ruan +1 more
TL;DR: A wheel-shaped icosanuclear-containing polyoxometalate (POM), K12Li13-Cu20P8W48, exhibits high efficiency for visible-light-driven H2 production in the presence of an [Ir(ppy)2(dtbbpy)][PF6] photosensitizer and a triethanolamine electron donor as discussed by the authors .
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