Journal ArticleDOI
Insight in the behavior of bipolar membrane equipped carbon dioxide electrolyzers at low electrolyte flowrates
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In this article, the influence of product selectivity and current density on the pH of the catholyte in bipolar membrane electrolyzers was investigated, and it was shown that this phenomenon can negatively affect the cells performance due to a high concentration of protons in combination with a high residence time.About:
This article is published in Chemical Engineering Journal.The article was published on 2022-01-15. It has received 13 citations till now. The article focuses on the topics: Electrolysis & Formic acid.read more
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A State of the Art Update on Integrated CO2 Capture and Electrochemical Conversion Systems
TL;DR: In this article , the authors review the status of the integrated CO2 capture and electrochemical conversion technology, discussing the recent developments and advances both in the field of CO 2 capture and eCO2R.
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Narrow Pressure Stability Window of Gas Diffusion Electrodes Limits the Scale-Up of CO2 Electrolyzers
TL;DR: In this article , the authors studied the effects of the GDE structure on flooding behavior and CO2 reduction performance at a large scale by preparing GDEs from commercial substrates with a range of structural parameters (carbon fiber structure, thickness, and cracks).
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Engineering Aspects for the Design of a Bicarbonate Zero-Gap Flow Electrolyzer for the Conversion of CO2 to Formate.
TL;DR: In this article , the performance of bicarbonate zero-gap flow electrolyzers when converting CO2 to formate was evaluated in terms of energy efficiency, productivity, VCell, and EE in a broad range of current densities.
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Electrochemical Conversion of CO2 from Direct Air Capture Solutions
Oriol Gutiérrez-Sánchez,Bert De Mot,Nick Daems,Metin Bulut,Jan Vaes,Deepak Pant,Tom Breugelmans +6 more
TL;DR: In this article , a proof-of-concept experimental setup where CO2 is captured from air, in the form of a (bi)carbonate solution, through direct air capture and then converted to formate and CO in a zero-gap flow electrolyzer is presented.
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When Flooding Is Not Catastrophic─Woven Gas Diffusion Electrodes Enable Stable CO<sub>2</sub> Electrolysis
TL;DR: In this paper , the effect of flooding behavior on CO2 reduction performance was investigated for six commercial gas diffusion layer materials with different microstructures (carbon cloth and carbon paper) and thicknesses coated with a Ag catalyst and exposed to differential pressures corresponding to different flow regimes (gas breakthrough, flow-by and liquid breakthrough).
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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).
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Utilisation of CO2 as a chemical feedstock: opportunities and challenges
TL;DR: The utilization of CO(2) as a building block may represent an interesting approach to synthetic methodologies less intensive in carbon and energy.
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Prospects of CO2 Utilization via Direct Heterogeneous Electrochemical Reduction
TL;DR: In this article, the authors highlight recent efforts and opportunities in the heterogeneous electrochemical conversion of carbon dioxide to help address the global issues of climate change and sustainable energy production, and highlight the potential of electrochemical reduction of CO2 to produce a variety of organic compounds such as formic acid, carbon monoxide, methane, and ethylene with high current efficiency.
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Nanostructured Tin Catalysts for Selective Electrochemical Reduction of Carbon Dioxide to Formate
TL;DR: High surface area tin oxide nanocrystals prepared by a facile hydrothermal method are evaluated as electrocatalysts toward CO2 reduction to formate and a compromise between the strength of the interaction between CO2(•-) and the nanoscale tin surface and subsequent kinetic activation toward protonation and further reduction is found.
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What Should We Make with CO2 and How Can We Make It
Oleksandr S. Bushuyev,Phil De Luna,Cao-Thang Dinh,Ling Tao,Genevieve Saur,Jao van de Lagemaat,Shana O. Kelley,Edward H. Sargent +7 more
TL;DR: An optimistic prediction of technology advancement in the future, the gradual rise of photocatalytic, CO 2 polymerization, biohybrid, and molecular machine technologies to augment and enhance already practical electrocatalytic CO 2 conversion methods is proposed.