Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte

Stephanie A. Nitopi, Erlend Bertheussen, Søren Bertelsen Scott, Xinyan Liu, Albert Kilian Engstfeld, Sebastian Horch, Brian Seger, Ifan Stephens, Karen Chan, Christopher Hahn, Jens Kehlet Nørskov, Thomas Jaramillo, Ib Chorkendorff*

*Corresponding author for this work

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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.
Original languageEnglish
JournalChemical Reviews
Volume119
Issue number12
Pages (from-to)7610-7672
Number of pages63
ISSN0009-2665
DOIs
Publication statusPublished - 2019

Cite this

Nitopi, Stephanie A. ; Bertheussen, Erlend ; Scott, Søren Bertelsen ; Liu, Xinyan ; Engstfeld, Albert Kilian ; Horch, Sebastian ; Seger, Brian ; Stephens, Ifan ; Chan, Karen ; Hahn, Christopher ; Nørskov, Jens Kehlet ; Jaramillo, Thomas ; Chorkendorff, Ib. / Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte. In: Chemical Reviews. 2019 ; Vol. 119, No. 12. pp. 7610-7672.
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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.",
author = "Nitopi, {Stephanie A.} and Erlend Bertheussen and Scott, {S{\o}ren Bertelsen} and Xinyan Liu and Engstfeld, {Albert Kilian} and Sebastian Horch and Brian Seger and Ifan Stephens and Karen Chan and Christopher Hahn and N{\o}rskov, {Jens Kehlet} and Thomas Jaramillo and Ib Chorkendorff",
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Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte. / Nitopi, Stephanie A.; Bertheussen, Erlend; Scott, Søren Bertelsen; Liu, Xinyan; Engstfeld, Albert Kilian; Horch, Sebastian; Seger, Brian; Stephens, Ifan; Chan, Karen; Hahn, Christopher; Nørskov, Jens Kehlet; Jaramillo, Thomas; Chorkendorff, Ib.

In: Chemical Reviews, Vol. 119, No. 12, 2019, p. 7610-7672.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte

AU - Nitopi, Stephanie A.

AU - Bertheussen, Erlend

AU - Scott, Søren Bertelsen

AU - Liu, Xinyan

AU - Engstfeld, Albert Kilian

AU - Horch, Sebastian

AU - Seger, Brian

AU - Stephens, Ifan

AU - Chan, Karen

AU - Hahn, Christopher

AU - Nørskov, Jens Kehlet

AU - Jaramillo, Thomas

AU - Chorkendorff, Ib

PY - 2019

Y1 - 2019

N2 - 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.

AB - 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.

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