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
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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
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A Metal–Organic Framework derived CuxOyCz Catalyst for Electrochemical CO2 Reduction and Impact of Local pH Change
Nivedita Sikdar,João R. C. Junqueira,Stefan Dieckhöfer,Thomas Quast,Michael Braun,Yanfang Song,Harshitha Barike Aiyappa,Sabine Seisel,Jonas Weidner,Denis Öhl,Corina Andronescu,Wolfgang Schuhmann +11 more
TL;DR: In this article, a series of Cux Oy Cz nanostructured electrocatalysts derived from a Cu-based MOF as porous self-sacrificial template was reported.
Journal ArticleDOI
Tailoring the Surface and Interface Structures of Copper-Based Catalysts for Electrochemical Reduction of CO2 to Ethylene and Ethanol.
TL;DR: In this paper, the effects of surface and interface structures in Cu-based catalysts for CO2-to-ethylene/ethanol production are systematically discussed, and the guidance for the design of Cu based catalysts is provided for the highly efficient reduction of CO2.
Journal ArticleDOI
Uncovering the reaction mechanism behind CoO as active phase for CO2 hydrogenation
I. C. ten Have,Josepha J. G. Kromwijk,M. Monai,David Ferry,Ellen B. Sterk,Florian Meirer,Bert M. Weckhuysen +6 more
TL;DR: In this paper , the authors presented catalysts comprising of cobalt (oxide) nanoparticles stabilized on various support oxides for hydrocarbon production from carbon dioxide, and demonstrated that the activity and selectivity can be tuned by selection of the support oxide and cobalt oxidation state.
Journal ArticleDOI
Self-assembled Cuprous Coordination Polymer as a Catalyst for CO2 Electrochemical Reduction into C2 Products
Naonari Sakamoto,Yusaku F. Nishimura,Takamasa Nonaka,Masataka Ohashi,Nobuhiro Ishida,Kosuke Kitazumi,Yuichi Kato,Keita Sekizawa,Takeshi Morikawa,Takeo Arai +9 more
TL;DR: In this article, the authors presented the electrochemical reduction of CO2 into C2 products such as ethylene and ethanol with metal complex catalysts, which is a significant challenge.
Journal ArticleDOI
Partial Coordination-Perturbed Bi-Copper Sites for Selective Electroreduction of CO2 to Hydrocarbons.
Rui Wang,Jiang Liu,Jiang Liu,Qing Huang,Long-Zhang Dong,Shun-Li Li,Shun-Li Li,Ya-Qian Lan,Ya-Qian Lan +8 more
TL;DR: In this paper, a stable single-chain catalyst model system for electrochemical CO2 reduction reaction (CO2 RR) was designed and synthesized, which involves four homomorphic one-dimensional chain-like compounds.
References
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Journal ArticleDOI
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