Journal ArticleDOI
Potential Dependence of the Local pH in a CO2 Reduction Electrolyzer
Danielle A. Henckel,Michael J. Counihan,Hannah E. Holmes,Xinyi Chen,Xinyi Chen,Uzoma O. Nwabara,Uzoma O. Nwabara,Sumit Verma,Joaquín Rodríguez-López,Paul J. A. Kenis,Andrew A. Gewirth +10 more
TLDR
In this article, the local pH of a gas diffusion electrode undergoing CO2 reduction is quantified, owing to a multitude of competing processes, both electrochemical and transport-related.Abstract:
Quantifying the local pH of a gas diffusion electrode undergoing CO2 reduction is a complicated problem owing to a multitude of competing processes, both electrochemical- and transport-related, pos...read more
Citations
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Journal ArticleDOI
Absence of CO2 electroreduction on copper, gold and silver electrodes without metal cations in solution
Mariana C. O. Monteiro,Federico Dattila,Bellenod Hagedoorn,Rodrigo García-Muelas,Núria López,Marc T. M. Koper +5 more
TL;DR: In this article, the authors studied CO2 reduction on gold electrodes through cyclic voltammetry and showed that, without a metal cation, the reaction does not take place in a pure 1mM H2SO4 electrolyte.
Journal ArticleDOI
Investigation of Electrolyte-Dependent Carbonate Formation on Gas Diffusion Electrodes for CO2 Electrolysis.
TL;DR: In this paper, the degradation of gas diffusion electrodes (GDEs) in a flowing, alkaline CO2 electrolyzer via the formation of carbonate deposits on the GDE surface was investigated.
Journal ArticleDOI
Control over Electrochemical CO2 Reduction Selectivity by Coordination Engineering of Tin Single-Atom Catalysts
Jiangyi Guo,Wenlin Zhang,Lu-Hua Zhang,Datong Chen,Jiayu Zhan,Xueli Wang,N. Raveendran Shiju,Fengshou Yu +7 more
TL;DR: In this article, a single-atom catalysts (SAC) with atomically dispersed SnN3 O1 active sites supported on N-rich carbon matrix (Sn-NOC) for efficient electrochemical CO2 reduction is presented.
Journal ArticleDOI
Industrial-Current-Density CO2-to-C2+ Electroreduction by Anti-swelling Anion-Exchange Ionomer-Modified Oxide-Derived Cu Nanosheets.
Yuan Zhao,Xiaolong Zu,Run-feng Chen,Xiaodong Li,Yawen Jiang,Zhiqiang Wang,Shumin Wang,Yang Wu,Yongfu SunY. Sun,Yi Xie +9 more
TL;DR: In this paper , an anti-swelling anion exchange ionomer (AEI) was proposed to optimize the local environment for promoting industrial-current-density CO2-to-C2+ electroreduction.
Journal ArticleDOI
Binder-Focused Approaches to Improve the Stability of Cathodes for CO2 Electroreduction
Uzoma O. Nwabara,Anthony D. Hernandez,Danielle A. Henckel,Xinyi Chen,Emiliana R. Cofell,Michiel P. de-Heer,Sumit Verma,Andrew A. Gewirth,Paul J. A. Kenis +8 more
TL;DR: While the use of flow electrolyzers has enabled high selectivity (>80%) and activity (>200 mA cm-2) in the reduction of CO2 to value-added chemicals, the durability of these systems is still insuff...
References
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Journal ArticleDOI
Localized Surface Plasmon Resonance Spectroscopy and Sensing
TL;DR: This review describes recent fundamental spectroscopic studies that reveal key relationships governing the LSPR spectral location and its sensitivity to the local environment, including nanoparticle shape and size and introduces a new form of L SPR spectroscopy, involving the coupling between nanoparticle plasmon resonances and adsorbate molecular resonances.
Journal ArticleDOI
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
TL;DR: 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.
Journal ArticleDOI
CO2 electroreduction to ethylene via hydroxide-mediated copper catalysis at an abrupt interface
Cao-Thang Dinh,Thomas Burdyny,Golam Kibria,Ali Seifitokaldani,Christine M. Gabardo,F. Pelayo García de Arquer,Amirreza Kiani,Jonathan P. Edwards,Phil De Luna,Oleksandr S. Bushuyev,Chengqin Zou,Chengqin Zou,Rafael Quintero-Bermudez,Yuanjie Pang,David Sinton,Edward H. Sargent +15 more
TL;DR: A copper electrocatalyst at an abrupt reaction interface in an alkaline electrolyte reduces CO2 to ethylene with 70% faradaic efficiency at a potential of −0.55 volts versus a reversible hydrogen electrode (RHE).
Journal ArticleDOI
What would it take for renewably powered electrosynthesis to displace petrochemical processes
Phil De Luna,Phil De Luna,Phil De Luna,Christopher Hahn,Christopher Hahn,Drew Higgins,Drew Higgins,Drew Higgins,Shaffiq Jaffer,Thomas F. Jaramillo,Thomas F. Jaramillo,Edward H. Sargent +11 more
TL;DR: A comparative analysis of electrocatalyst and carbon emissions assessment of CO2 products such as ethylene, ethanol, and carbon monoxide shows that electrocatalytic production has the potential to yield the greatest reduction in carbon emissions, provided that a steady supply of clean electricity is available.
Journal ArticleDOI
Formation of hydrocarbons in the electrochemical reduction of carbon dioxide at a copper electrode in aqueous solution
TL;DR: In this paper, the authors studied the effect of CO2 adsorption strength on the production of CO at the Cu electrode in aqueous inorganic electrolytes and compared the mechanism of the Fishcher-Tropsch reaction.