Engineering Transition‐Metal‐Coated Tungsten Carbides for Efficient and Selective Electrochemical Reduction of CO<sub>2</sub> to Methane

Wannakao, Sippakorn; Artrith, Nongnuch; Limtrakul, Jumras; Kolpak, Alexie M.

doi:10.1002/cssc.201500245

Cited by 45 publications

(52 citation statements)

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“…Transition metal carbides are another class of promising catalysts with low cost, favorable carbophobic and oxophilic properties. In 2015, to understand the relationships between the binding energies of reaction intermediates and active sites of metal carbides, Wannakao et al studied the CO 2 reduction mechanism of Fe‐, Co‐, and Pt‐doped W carbides through DFT method . The results showed that the d‐band center of transition metal was related to the adsorption energies, which relatively influenced the binding site preferences and geometries of the active intermediates.…”

Section: Electrocatalysts For Electrocatalytic Co2 Reductionmentioning

confidence: 99%

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

et al. 2017

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The worldwide unrestrained emission of carbon dioxide (CO2) has caused serious environmental pollution and climate change issues. For the sustainable development of human civilization, it is very desirable to convert CO2 to renewable fuels through clean and economical chemical processes. Recently, electrocatalytic CO2 conversion is regarded as a prospective pathway for the recycling of carbon resource and the generation of sustainable fuels. In this review, recent research advances in electrocatalytic CO2 reduction are summarized from both experimental and theoretical aspects. The referred electrocatalysts are divided into different classes, including metal–organic complexes, metals, metal alloys, inorganic metal compounds and carbon‐based metal‐free nanomaterials. Moreover, the selective formation processes of different reductive products, such as formic acid/formate (HCOOH/HCOO−), monoxide carbon (CO), formaldehyde (HCHO), methane (CH4), ethylene (C2H4), methanol (CH3OH), ethanol (CH3CH2OH), etc. are introduced in detail, respectively. Owing to the limited energy efficiency, unmanageable selectivity, low stability, and indeterminate mechanisms of electrocatalytic CO2 reduction, there are still many tough challenges need to be addressed. In view of this, the current research trends to overcome these obstacles in CO2 electroreduction field are summarized. We expect that this review will provide new insights into the further technique development and practical applications of CO2 electroreduction.

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Section: Electrocatalysts For Electrocatalytic Co2 Reductionmentioning

confidence: 99%

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

et al. 2017

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“…[137] But after introducing single metal atom into the surface, the onset potential would be reduced remarkably. [139,140] Compared with bulk noble metals, core-shell structure could reduce the catalyst cost. Besides bulk carbide, metal-coated composite systems were further explored.…”

Section: Metal-nonmetal Compounds (Oxides Chalcogenides and Carbides)mentioning

confidence: 99%

“…For an Ir defect, the simulated onset potential for CO 2 reduction to methane was −0.09 V (Figure 15), simultaneously HER was strongly suppressed with overpotential of 0.38 V. This work paved the way to improved metal carbide electrocatalysts via single atom catalyst. [139] Cu/WC and Pd/WC composite particles could be used for CO production with low overpotential. Advanced synthesis technology is able to prepare metal-coated WC nanoparticles with highly controllable size and composition.…”

Section: Metal-nonmetal Compounds (Oxides Chalcogenides and Carbides)mentioning

confidence: 99%

“…[138] Wannakao et al studied a series of monolayered-metal coated tungsten carbides, M/WC. [139,140] Compared with bulk noble metals, core-shell structure could reduce the catalyst cost. They found that adsorption energy of various intermediate is governed by site-specific directional electronic effects, arising from mixed covalent/metallic character.…”

Section: Metal-nonmetal Compounds (Oxides Chalcogenides and Carbides)mentioning

confidence: 99%

“…Coated with sub-monolayer Fe, one could tailor the composite system with desirable product selectivity and decreased overpotential. [139] Cu/WC and Pd/WC composite particles could be used for CO production with low overpotential. [140]…”

Section: Metal-nonmetal Compounds (Oxides Chalcogenides and Carbides)mentioning

confidence: 99%

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Recent Progress in the Theoretical Investigation of Electrocatalytic Reduction of CO₂

Tian

Priest

Chen

2018

Advcd Theory and Sims

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The worldwide combustion of fossils produces anthropogenic CO 2 , which has deleterious effects on global climate patterns. An ideal solution is to develop high-performance CO 2 capture and utilization technologies that can convert CO 2 into commercial products by means of electrocatalytic reduction with renewable energy. The design of electrocatalysts can be facilitated by accurate computational simulations based on density functional theory (DFT). Herein, commonly used models, from the computational hydrogen electrode model with constant charge assumption, to the explicit and implicit solvation model under constant potential condition, are reviewed. Thereafter, the applications of recent data-driven methods, such as neutral network and machine learning, are introduced. Also, based on DFT calculations, four composition based classes of electrodes are further discussed, including (1) bulk metals and alloys, (2) nanoparticles, (3) metal-nonmetal compounds and (4) carbon-based materials. In this Review, several theoretical investigations which have been realized in practice are highlighted in particular, such as metal-hydride nanocluster and carbon nitride supported copper complex for high-efficiency CO 2 reduction. It shows that the theoretical study can not only explain experimental phenomena but also predict improved candidates.

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Process Parameters in the Electrochemical Reduction of Carbon Dioxide to Ethylene

Sturman

Oelgemöller

2021

ChemBioEng Reviews

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Ethylene is one of the most widely used chemical compounds. It is readily transformed to a variety of useful products that can replace those derived from fossil sources. Further, the ability to produce ethylene from atmospheric carbon dioxide would significantly assist in the urgent need to stabilize, and ultimately to reduce, the concentration of greenhouse gases in the atmosphere. This review covers the electrochemical reduction of carbon dioxide at copper‐based cathodes. The direct production of ethylene is the focus of the review, but it is also relevant to include the important ethylene precursor and intermediate in the carbon dioxide reduction reaction, carbon monoxide. Carbon monoxide can be reduced to ethylene on a copper cathode under similar conditions to carbon dioxide. Ethanol is another potential product of the reduction of carbon dioxide at a copper cathode. It can be readily dehydrated to ethylene, further enhancing the overall yield of ethylene. The aim of the review is to show that there are many interacting parameters that influence the effectiveness and efficiency of the electrochemical reduction of carbon dioxide at copper‐based cathodes.

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Engineering Transition‐Metal‐Coated Tungsten Carbides for Efficient and Selective Electrochemical Reduction of CO₂ to Methane

Cited by 45 publications

References 56 publications

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

Recent Progress in the Theoretical Investigation of Electrocatalytic Reduction of CO₂

Process Parameters in the Electrochemical Reduction of Carbon Dioxide to Ethylene

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Engineering Transition‐Metal‐Coated Tungsten Carbides for Efficient and Selective Electrochemical Reduction of CO2 to Methane

Cited by 45 publications

References 56 publications

Progress and Perspective of Electrocatalytic CO2 Reduction for Renewable Carbonaceous Fuels and Chemicals

Progress and Perspective of Electrocatalytic CO2 Reduction for Renewable Carbonaceous Fuels and Chemicals

Recent Progress in the Theoretical Investigation of Electrocatalytic Reduction of CO2

Process Parameters in the Electrochemical Reduction of Carbon Dioxide to Ethylene

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Product

Resources

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Engineering Transition‐Metal‐Coated Tungsten Carbides for Efficient and Selective Electrochemical Reduction of CO₂ to Methane

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

Progress and Perspective of Electrocatalytic CO₂ Reduction for Renewable Carbonaceous Fuels and Chemicals

Recent Progress in the Theoretical Investigation of Electrocatalytic Reduction of CO₂