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Catalysts, Volume 8, Issue 11

November 2018 - 84 articles

Cover Story: Solid Oxide Fuel Cell electrodes are characterized by their complex microstructure. Each phase serves a specific transport function: the metallic phase conducts electrons, the ceramic phase conducts oxide ions, and gaseous reagents diffuse through open pores. SOFC reaction sites are distributed stochastically, and in order to analyze heterogeneous phenomena, it is often necessary to perform computations in a domain of highly irregular, three-dimensional geometry. The picture shows the results of 3D numerical computations using a mesh based on an experimental microstructure reconstruction. The electric potential field in the ion-conducting phase, and the distribution of the exchange current, are presented. View this paper.
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Articles (84)

  • Article
  • Open Access
23 Citations
6,610 Views
16 Pages

In Situ Regeneration of Alumina-Supported Cobalt–Iron Catalysts for Hydrogen Production by Catalytic Methane Decomposition

  • Anis H. Fakeeha,
  • Siham Barama,
  • Ahmed A. Ibrahim,
  • Raja-Lafi Al-Otaibi,
  • Akila Barama,
  • Ahmed E. Abasaeed and
  • Ahmed S. Al-Fatesh

21 November 2018

A novel approach to the in situ regeneration of a spent alumina-supported cobalt–iron catalyst for catalytic methane decomposition is reported in this work. The spent catalyst was obtained after testing fresh catalyst in catalytic methane decom...

  • Article
  • Open Access
9 Citations
4,996 Views
13 Pages

TiO2-SiO2-PMMA Terpolymer Floating Device for the Photocatalytic Remediation of Water and Gas Phase Pollutants

  • Valentina Sabatini,
  • Luca Rimoldi,
  • Laura Tripaldi,
  • Daniela Meroni,
  • Hermes Farina,
  • Marco Aldo Ortenzi and
  • Silvia Ardizzone

21 November 2018

Floating photocatalytic devices are highly sought-after as they represent good candidates for practical application in pollutant remediation of large water basins. Here, we present a multilayer floating device for the photocatalytic remediation of co...

  • Review
  • Open Access
72 Citations
9,370 Views
14 Pages

20 November 2018

Biodiesel can be a significant alternative for diesel. Usually, it is produced through transesterification with a base catalyst. Using heterogeneous catalysts for transesterification, the process can be more efficient. Among the possible catalysts th...

  • Article
  • Open Access
12 Citations
4,258 Views
18 Pages

Promotional Effect of Gold on the WGS Activity of Alumina-Supported Copper-Manganese Mixed Oxides

  • Tatyana Tabakova,
  • Ivan Ivanov,
  • Yordanka Karakirova,
  • Daniela Karashanova,
  • Anna Maria Venezia,
  • Petya Petrova,
  • Georgi Avdeev,
  • Elitsa Kolentsova and
  • Krasimir Ivanov

20 November 2018

The water-gas shift (WGS) reaction is a well-known industrial process used for the production of hydrogen. During the last few decades, it has attracted renewed attention due to the need for high-purity hydrogen for fuel-cell processing systems. The...

  • Article
  • Open Access
6 Citations
6,509 Views
11 Pages

Three Component Controls in Pillared Metal-Organic Frameworks for Catalytic Carbon Dioxide Fixation

  • Jinmi Noh,
  • Dasom Kim,
  • Jihyun Lee,
  • Minyoung Yoon,
  • Myung Hwan Park,
  • Kang Mun Lee,
  • Youngjo Kim and
  • Min Kim

20 November 2018

Three components of pillared metal-organic frameworks (MOFs, three components = metal ion, carboxylic acid ligand, and N-chelating ligand) were controlled for CO2 cycloaddition catalysts to synthesize organic cyclic carbonates. Among the divalent met...

  • Article
  • Open Access
17 Citations
7,825 Views
12 Pages

20 November 2018

We have demonstrated a convenient method of synthesizing nickel nanowires (NiNWs), which could be easily tuned to produce materials with a carefully defined nanostructure. By varying the concentration of the Ni precursor, pH of the medium or reaction...

  • Review
  • Open Access
26 Citations
6,845 Views
14 Pages

20 November 2018

V-containing mixed oxide catalytic materials are well known as active for partial oxidation reactions. Oxidation reactions are used in industrial chemistry and for the abatement of pollutants. An analysis of the literature in this field during the pa...

  • Article
  • Open Access
7 Citations
4,373 Views
19 Pages

Synthesis, APPI Mass-Spectrometric Characterization, and Polymerization Studies of Group 4 Dinuclear Bis(ansa-metallocene) Complexes

  • Gilles Schnee,
  • Mathilde Farenc,
  • Leslie Bitard,
  • Aurelien Vantomme,
  • Alexandre Welle,
  • Jean-Michel Brusson,
  • Carlos Afonso,
  • Pierre Giusti,
  • Jean-François Carpentier and
  • Evgueni Kirillov

19 November 2018

New ligand platforms of the type p- or m-Ph{-CR(3,6-tBu2Flu)(Cp)}2 (para-, R = Me (2a), H (2b); meta-, R = Me (2c)) were synthesized via nucleophilic addition of the 3,6-tBu2-fluorenyl-anion onto the parent phenylene-bridged difulvenes (1a–c)....

  • Review
  • Open Access
140 Citations
21,996 Views
43 Pages

Recent Advances of Cobalt-Based Electrocatalysts for Oxygen Electrode Reactions and Hydrogen Evolution Reaction

  • Haihong Zhong,
  • Carlos A. Campos-Roldán,
  • Yuan Zhao,
  • Shuwei Zhang,
  • Yongjun Feng and
  • Nicolas Alonso-Vante

19 November 2018

This review summarizes recent progress in the development of cobalt-based catalytic centers as the most potentially useful alternatives to noble metal-based electrocatalysts (Pt-, Ir-, and Ru-based) towards the oxygen reduction reaction (ORR), oxygen...

  • Article
  • Open Access
21 Citations
6,250 Views
24 Pages

Effect of Ni–Mo Carbide Catalyst Formation on Furfural Hydrogenation

  • Ivan N. Shilov,
  • Andrey A. Smirnov,
  • Olga A. Bulavchenko and
  • Vadim A. Yakovlev

19 November 2018

High-loading Ni–Mo carbide catalysts were prepared by the modified gel-combustion method under various thermal treatment conditions. All samples were studied by X-ray diffraction (XRD) analysis, which showed that the catalysts could contain cub...

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Catalysts - ISSN 2073-4344