The use of graphite oxide to produce mesoporous carbon supporting Pt, Ru, or Pd nanoparticles

This review selectively summarizes the latest developments in the Pd-based cataysts for low temperature proton exchange membrane fuel cells, especially in the application of formic acid oxidation, alcohol oxidation and oxygen reduction reaction. The advantages and shortcomings of the Pd-based catalysts for electrocatalysis are analyzed. The influence of the structure and morphology of the Pd materials on the performance of the Pd-based catalysts were described. Finally, the perspectives of future trends on Pd-based catalysts for different applications were considered.

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“…Gotoh et al [220,221] also proved that Pd supported on graphene oxide showed better performance in ORR than Pt.…”

Section: Pd Supported On Graphenementioning

confidence: 99%

Recent Development of Pd-Based Electrocatalysts for Proton Exchange Membrane Fuel Cells

2015

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“…Those catalysts were active, however no comparison with other systems was made and the metal loading was higher than that employed in the present work, i.e. 10-25 wt.% [45][46]. Alternatively, the impregnation could have been performed before the reduction of GO but, in that case, the inert surface may also lead to low dispersion.…”

Section: Reactionmentioning

confidence: 88%

Synthesis of palladium nanoparticles over graphite oxide and carbon nanotubes by reduction in ethylene glycol and their catalytic performance on the chemoselective hydrogenation of para-chloronitrobenzene

Dongil

Pastor‐Pérez

Fierro

et al. 2016

Applied Catalysis A: General

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A.Sepúlveda-Escribano, Synthesis of palladium nanoparticles over graphite oxide and carbon nanotubes by reduction in ethylene glycol and their catalytic performance on the chemoselective hydrogenation of para-chloronitrobenzene., Applied Catalysis A, General http://dx.doi.org/10.1016/j.apcata. 2015.11.048 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Synthesis of palladium nanoparticles Graphical abstractHighlights  The synthesis of palladium nanoparticles by reduction of the organometallic precursor Pd (acac)2 with ethylene glycol and their deposition over carbon nanotubes (CNT) and graphite oxide (GO) was studied. Well-dispersed metallic palladium nanoparticles of similar average size were obtained over Pd/CNTEG and Pd/GOEG, this suggesting that the morphology and surface chemistry do not affect the size of the nanoparticles obtained by this methodology  The catalytic performance of Pd/CNTEG and Pd/GOEG was studied on the parachloronitrobenzene chemoselective hydrogenation and compared with analogous catalysts prepared by traditional impregnation. The activity of Pd/CNTEG and Pd/GOEG was higher than that obtained with the catalysts prepared by impregnation and both catalysts could be reused on successive cycles.

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“…Heterogeneous surfaces are reported to better stabilise the metal in a highly dispersed state. It has been reported that Pd/GRO shows a better ORR activity and forms a four-electron oxygen-reduction process compared to Pt [87][88][89]. N-doped graphene has been reported to show an improved electrocatalytic activity towards ORR compared to graphene in acidic and alkaline media [90].…”

Section: Electrocatalysts For Fuel Cells and Hydrogen Evolution -Theomentioning

confidence: 99%

Oxygen Reduction Reaction

Khotseng¹

2018

Electrocatalysts for Fuel Cells and Hydrogen Evolution - Theory to Design

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In this chapter, the oxygen reduction reaction (ORR), which is one of the most important reactions in energy conversion systems such as fuel cells, including its reaction kinetics, is presented. Recent developments in electrocatalysts for ORR in fuel cells, including low and non-Pt electrocatalysts, metal oxides, transition metal macrocycles and chalgogenides, are discussed. Understanding of the interdependence of size, shape and activity of the electrocatalysts is evaluated. The recent development of ORR electrocatalysts with novel nanostructures is also reported. The mechanism catalysed by these electrocatalysts is presented. Finally, the perspectives of future trends for ORR are discussed.

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The use of graphite oxide to produce mesoporous carbon supporting Pt, Ru, or Pd nanoparticles

Cited by 41 publications

References 8 publications

Recent Development of Pd-Based Electrocatalysts for Proton Exchange Membrane Fuel Cells

Recent Development of Pd-Based Electrocatalysts for Proton Exchange Membrane Fuel Cells

Synthesis of palladium nanoparticles over graphite oxide and carbon nanotubes by reduction in ethylene glycol and their catalytic performance on the chemoselective hydrogenation of para-chloronitrobenzene

Oxygen Reduction Reaction

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