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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Tuning single atom-nanoparticle ratios of Ni-based catalysts for synthesis gas production from CO2
Wenlei Zhu,Jiaju Fu,Juan Liu,Ying Chen,Xing Li,Xing Li,Kaikai Huang,Yanming Cai,Yiming He,Yang Zhou,Dong Su,Jun-Jie Zhu,Yuehe Lin +12 more
TL;DR: In this article, a facile method was developed to synthesize a series of single atomic Ni and 4.1 nm Ni nanoparticles (Ni NPs) co-doped 100 nm mesoporous nitrogen doped carbon nanorods for controlled syngas producing from CO2.
Journal ArticleDOI
Reorganization of Interfacial Water by an Amphiphilic Cationic Surfactant Promotes CO2 Reduction.
TL;DR: The role of additives in improving CO2-to-fuels electrocatalysis is unraveled and this as a powerful methodology for directing product selectivity is established.
Journal ArticleDOI
Spectroelectrochemical Analysis of the Water Oxidation Mechanism on Doped Nickel Oxides
Reshma R. Rao,Sacha Corby,Alberto Bucci,Miguel García-Tecedor,Camilo A. Mesa,Jan Rossmeisl,Sixto Gimenez,Julio Lloret-Fillol,Ifan E. L. Stephens,James R. Durrant +9 more
TL;DR: In this paper , a series of Mn-, Co-, Fe-, and Zn-doped nickel oxides were investigated using operando UV-vis spectroscopy coupled with time-resolved stepped potential spectroelectrochemistry.
Journal ArticleDOI
Ligand-Engineered Metal–Organic Frameworks for Electrochemical Reduction of Carbon Dioxide to Carbon Monoxide
Tareq A. Al-Attas,Nedal N. Marei,Xue Yong,Nael G. Yasri,Venkataraman Thangadurai,George K. H. Shimizu,Samira Siahrostami,Golam Kibria +7 more
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Pulse check: Potential opportunities in pulsed electrochemical CO2 reduction
TL;DR: In this article, the authors summarized the recent findings of p-eCO2R on copper electrodes as a function of applied potential and pulse duration, and discussed how pulse methods present scientific and technological opportunities for electrochemical technologies beyond p-electrochemical CO2 reduction, in particular those involving competing reactions or electrode deactivation.
References
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Journal ArticleDOI
Generalized Gradient Approximation Made Simple
TL;DR: A simple derivation of a simple GGA is presented, in which all parameters (other than those in LSD) are fundamental constants, and only general features of the detailed construction underlying the Perdew-Wang 1991 (PW91) GGA are invoked.
Journal ArticleDOI
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set.
Georg Kresse,Jürgen Furthmüller +1 more
TL;DR: An efficient scheme for calculating the Kohn-Sham ground state of metallic systems using pseudopotentials and a plane-wave basis set is presented and the application of Pulay's DIIS method to the iterative diagonalization of large matrices will be discussed.
Journal ArticleDOI
From ultrasoft pseudopotentials to the projector augmented-wave method
Georg Kresse,Daniel P. Joubert +1 more
TL;DR: In this paper, the formal relationship between US Vanderbilt-type pseudopotentials and Blochl's projector augmented wave (PAW) method is derived and the Hamilton operator, the forces, and the stress tensor are derived for this modified PAW functional.
Journal ArticleDOI
Improved tangent estimate in the nudged elastic band method for finding minimum energy paths and saddle points
Graeme Henkelman,Hannes Jónsson +1 more
TL;DR: An improved way of estimating the local tangent in the nudged elastic band method for finding minimum energy paths is presented, and examples given where a complementary method, the dimer method, is used to efficiently converge to the saddle point.
Journal ArticleDOI
A grid-based Bader analysis algorithm without lattice bias
TL;DR: This paper describes how accurate off-lattice ascent paths can be represented with respect to the grid points, and maintains the efficient linear scaling of an earlier version of the algorithm, and eliminates a tendency for the Bader surfaces to be aligned along the grid directions.
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