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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Tracking oxygen atoms in electrochemical CO oxidation – Part I: Oxygen exchange via CO2 hydration
TL;DR: Using chip-based electrochemistry mass spectrometry with 18 O -labeled electrolyte, this article reported a new method to measure the kinetic rate constant of CO 2 hydration using electrochemical oxidation of carbon monoxide (CO oxidation) in isotope labeled electrolyte.
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Tandem Electrocatalytic CO2 Reduction inside a Membrane with Enhanced Selectivity for Ethylene
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Theoretical Understanding of the Interface Effect in Promoting Electrochemical CO2 Reduction on Cu–Pd Alloys
Yanle Li,Ziqi Tian,Liang Chen +2 more
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Recent advances on enhancing the multicarbon selectivity of nanostructured Cu-based catalysts
Kim R Gustavsen,Kaiying Wang +1 more
TL;DR: In this article, the authors summarized the current progress and the most important strategies for tuning the selectivity towards multicarbon reaction products over nanostructured Cu-based catalysts.
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Copper, my precious!
TL;DR: In this paper, it was shown that copper possesses the unique ability to break the stable CO2 bonds and to form C-C bonds, a key step towards higher-value products.
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