Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite

Xie, Jiafang; Huang, Yu-Xi; Li, Wen‐Wei; Song, Xin; Xiong, Lu; Yu, Han‐Qing

doi:10.1016/j.electacta.2014.06.034

Cited by 117 publications

(62 citation statements)

References 46 publications

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“…A CuO-derived Cu nanoflower was also reported and exhibited an FE of 40% for HCOOH at a high overpotential. The deposition of amorphous carbon on the electrodes after catalysis was directly observed in this study [75]. Except for oxide-derived Cu, 3D Cu nanostructures can be prepared by electrodeposition of Cu 0 .…”

Section: Metal Catalysts (Cu and Zn)mentioning

confidence: 98%

“…With the progress in nanofabrication technologies, complicated nanostructured Cu catalysts with 3D morphologies have been prepared for CO 2 reduction [66][67][68][69][70][71][72][73][74][75][76][77]. Zero-dimensional nanoparticles, 1D nanowires or nanorods, or 2D nanosheets are assembled into 3D hierarchical structures, which greatly increase specific areas with more exposed active sites and improve the capability of mass transfer.…”

Section: Metal Catalysts (Cu and Zn)mentioning

confidence: 99%

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Nanostructured nonprecious metal catalysts for electrochemical reduction of carbon dioxide

2016

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a b s t r a c tElectrochemical reduction of carbon dioxide powered by renewable electricity represents a promising solution for energy and environmental sustainability. To enable this technology, active and selective catalysts must be developed. Noble metals exhibit excellent activity but are hampered by their low abundance and high cost. Thus, searching for efficient nonprecious metal catalysts for practical applications is vital. In this review, the recent progress on nanostructured nonprecious metal catalysts for electrochemical reduction of carbon dioxide is summarized. These catalysts are classified into five categories: metals, partially oxidized metals, metal oxides and sulfides, doped carbons, and organic frameworks. The areas of focus are material synthesis, structure and components, catalytic performance, and reaction mechanisms. Several important factors that affect activity, such as particle size, interface strain, grain boundary, crystal facet, oxidation state, heteroatom configuration, and organic hybrid, are discussed. Finally, some perspectives are provided for future developments and directions of the synthesis and functionalization of nonprecious metal catalysts, with emphasis on the potential advantages of nanoporous materials for carbon dioxide reduction.

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Section: Metal Catalysts (Cu and Zn)mentioning

confidence: 98%

Section: Metal Catalysts (Cu and Zn)mentioning

confidence: 99%

Nanostructured nonprecious metal catalysts for electrochemical reduction of carbon dioxide

2016

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“…5,6) Then, a lot of works were reported electroreduction of CO2; however, most of all works were conducted under severe reaction conditions, slow formation rates of products, low faradic efficiency. [7][8][9][10][11][12][13][14] Purposes of this work are to develop a gas-electrolysis cell for CO2 reduction and to fine new electrocatalyst to reduce CO2 with a high formation rate and faradic efficiency in mild conditions.…”

Section: Introductionmentioning

confidence: 99%

Electroreduction of Carbon Dioxide to Carbon Monoxide by Co-pthalocyanine Electrocatalyst under Ambient Conditions

et al. 2015

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Electrochemical reduction of carbon dioxide using a gas-electrolysis cell reactor was studied. A new electrocatalyst has been screened and Co-phthalocyanine (Co-Pc) supported on carbon support was found to reduce CO2 to CO. Effects of reaction conditions on a formation rate of CO and a selectivity to CO corresponding to a current efficiency (CE) were studied. Loadings of Co-Pc, kinds of carbon materials as a support, reaction temperatures and cathode potentials strongly affected the performance of the electroreduction of CO2 to CO. A maximum CE to CO formation was achieved to 70% with 14 mA cm -2 by use of 0.1 wt% Co-Pc supported vapor-grown-carbon-fiber (VGCF) electrocatalyst at -0.90 V (Ag/AgCl) and 273 K. The reaction model of electroreduction of CO2 was proposed in this work.

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“…The chrysanthemum-like CuO [51] had an open framework to facilitate mass transportation and had a large number of low-coordination sites which might have suitable binding strengths for achieving a high reaction rate. There are several possible reasons for the high performance of nanostructured catalysts: (1) the greatly increased specific areas that can provide more active sites and improve the antipoison ability, (2) the open 3D framework that facilitates mass transfer, and (3) the existence of abundant defects on the surfaces.…”

Section: Nanostructure Patterningmentioning

confidence: 99%

Surface structure and composition effects on electrochemical reduction of carbon dioxide

Zhu

Shao

2015

J Solid State Electrochem

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Carbon dioxide electrochemical reduction has attracted significant attention due to its great potential in environmental protection and energy storage. In this mini-review, some recent progress in heterogeneous electrochemical reduction of carbon dioxide is summarized, with a particular emphasis on the effects of catalyst surface modification. Several structural (metal overlayers, particle size adjustment, roughness creation, special 2D or 3D structure patterning) and compositional (alloy, doping, oxide, and composite) modification techniques are reviewed and discussed. Research directions towards more advanced catalysts design are proposed.

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Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite

Cited by 117 publications

References 46 publications

Nanostructured nonprecious metal catalysts for electrochemical reduction of carbon dioxide

Nanostructured nonprecious metal catalysts for electrochemical reduction of carbon dioxide

Electroreduction of Carbon Dioxide to Carbon Monoxide by Co-pthalocyanine Electrocatalyst under Ambient Conditions

Surface structure and composition effects on electrochemical reduction of carbon dioxide

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