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
TLDR
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).Abstract:
Carbon dioxide (CO 2 ) electroreduction could provide a useful source of ethylene, but low conversion efficiency, low production rates, and low catalyst stability limit current systems. Here we report that a copper electrocatalyst at an abrupt reaction interface in an alkaline electrolyte reduces CO 2 to ethylene with 70% faradaic efficiency at a potential of −0.55 volts versus a reversible hydrogen electrode (RHE). Hydroxide ions on or near the copper surface lower the CO 2 reduction and carbon monoxide (CO)–CO coupling activation energy barriers; as a result, onset of ethylene evolution at −0.165 volts versus an RHE in 10 molar potassium hydroxide occurs almost simultaneously with CO production. Operational stability was enhanced via the introduction of a polymer-based gas diffusion layer that sandwiches the reaction interface between separate hydrophobic and conductive supports, providing constant ethylene selectivity for an initial 150 operating hours.read more
Citations
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Journal ArticleDOI
In Situ Thermal Atomization To Convert Supported Nickel Nanoparticles into Surface‐Bound Nickel Single‐Atom Catalysts
Jian Yang,Zongyang Qiu,Changming Zhao,Weichen Wei,Wenxing Chen,Zhijun Li,Yunteng Qu,Juncai Dong,Jun Luo,Zhenyu Li,Yuen Wu +10 more
TL;DR: CO2 electroreduction testing shows that the surface enriched with Ni single atoms delivers better performance than supported Ni NPs and other similar catalysts.
Journal ArticleDOI
Binding Site Diversity Promotes CO2 Electroreduction to Ethanol.
Yuguang C. Li,Ziyun Wang,Tiange Yuan,Dae-Hyun Nam,Mingchuan Luo,Joshua Wicks,Bin Chen,Jun Li,Fengwang Li,F. Pelayo García de Arquer,Ying Wang,Cao-Thang Dinh,Oleksandr Voznyy,David Sinton,Edward H. Sargent +14 more
TL;DR: A bimetallic Ag/Cu catalyst is developed that implements the proposed design toward an improved ethanol catalyst and presents a framework to design multimetallic catalysts to control reaction paths in CO2 reductions toward desired products.
Journal ArticleDOI
Copper nanocavities confine intermediates for efficient electrosynthesis of C3 alcohol fuels from carbon monoxide
Tao Tao Zhuang,Yuanjie Pang,Zhi Qin Liang,Ziyun Wang,Yi Li,Chih Shan Tan,Jun Li,Cao-Thang Dinh,Phil De Luna,Pei-Lun Hsieh,Thomas Burdyny,Hui-Hui Li,Mengxia Liu,Yuhang Wang,Fengwang Li,Andrew H. Proppe,Andrew Johnston,Dae-Hyun Nam,Zhen-Yu Wu,Ya-Rong Zheng,Alexander H. Ip,Hairen Tan,Lih-Juann Chen,Shu-Hong Yu,Shana O. Kelley,David Sinton,Edward H. Sargent +26 more
TL;DR: Sargent et al. as mentioned in this paper proposed a catalyst design strategy that promotes C3 formation via the nanoconfinement of C2 intermediates, and thereby promotes C2:C1 coupling inside a reactive nanocavity.
Journal ArticleDOI
Metal-Organic Frameworks Mediate Cu Coordination for Selective CO2 Electroreduction.
Dae-Hyun Nam,Oleksandr S. Bushuyev,Jun Li,Phil De Luna,Ali Seifitokaldani,Cao-Thang Dinh,F. Pelayo García de Arquer,Yuhang Wang,Zhiqin Liang,Andrew H. Proppe,Chih Shan Tan,Petar Todorović,Osama Shekhah,Christine M. Gabardo,Jea Woong Jo,Jongmin Choi,Min-Jae Choi,Se-Woong Baek,Junghwan Kim,David Sinton,Shana O. Kelley,Mohamed Eddaoudi,Edward H. Sargent +22 more
TL;DR: A strategy involving metal-organic framework (MOF)-regulated Cu cluster formation that shifts CO2 electroreduction toward multiple-carbon product generation is reported, and the tuning of the Cu-Cu CN in Cu clusters determines the CO2RR selectivity.
Journal ArticleDOI
Continuous Carbon Dioxide Electroreduction to Concentrated Multi-carbon Products Using a Membrane Electrode Assembly
Christine M. Gabardo,Colin P. O’Brien,Jonathan P. Edwards,Christopher McCallum,Yi Xu,Cao-Thang Dinh,Jun Li,Edward H. Sargent,David Sinton +8 more
TL;DR: In this paper, a membrane electrode assembly (MEAMEA) electrolyzer was proposed to convert CO2 to C2+ products and then demonstrate an approach to release concentrated gas and liquid products from the cathode outlet.
References
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Journal ArticleDOI
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Journal ArticleDOI
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A grid-based Bader analysis algorithm without lattice bias
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