Carbon Composites for Catalysis, Energy, Environmental and Sensing Advanced Applications

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Carbon Composites".

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 4330

Special Issue Editor


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Guest Editor
Department of Engineering, University of Messina, Messina, Italy
Interests: heterogeneous catalysis; catalytic conversion of renewable biomass for the production of bulk chemicals; development of innovative catalytic materials for sensing applications
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Special Issue Information

Dear Colleagues,

Carbon-based materials, such as nanostructured carbon (e.g., activated carbons (ACs), carbon nanotubes (CNTs), graphene nanosheets (GNS), and ordered mesoporous carbons (OMCs), have great versatility and the potential to be chemically combined with other carbon materials with a range of different elements to form strong covalent bonds in carbon composite systems. As a result, they exhibit excellent characteristics, such as high strength, high density, and high hardness. Indeed, during the last few decades, they have attracted the attention of scientists in various fields of application, such as in heterogeneous catalysis, energy production, and environmental remediation, as well as in gas sensors, batteries, optoelectronic devices, and biomedical and agricultural applications. Considering the several possible claims of carbon-based materials, a thorough study of their features, including their design, synthesis, and characterization, is significant to understanding the basis of certain properties presented by these materials and to determine their best field of application. This Special Issue on "Carbon Composites for Catalysis, Energy, Environmental, and Advanced Sensing Applications” will attempt to cover the most recent advances in carbon composite materials, concerning not only synthesis and characterization, but also their functional and smart properties to be applied in scaling factors, giving great emphasis to materials that have been proven to have promise for various applications aimed at solving current environmental and energy problems, such as CO2 reduction, battery production, clean energy from oxygen reduction reactions, degradation of organic pollutants, and sensor development. The articles presented in this Special Issue will cover various topics, ranging from different techniques for synthesis and morphological modification to the preparation of catalytic systems and their applications in several areas of interest, as well as energy, environmental, and advanced sensing applications. Therefore, this Special Issue welcomes contributions from all researchers working on carbon composite materials, as well as on their characterization, properties, and applications.

The Special Issue will cover, but will not be limited to, the following topics:

  • Advanced synthesis;
  • Carbon–carbon composites;
  • Characterizations;
  • Novel multifunctional materials;
  • Energy harvesting/storage devices;
  • Sensors;
  • Carbon fibers;
  • New application in heterogeneous catalysis by supported carbon nanoparticles;
  • Electrochemical and optical properties of carbon composites.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are welcome.

Prof. Claudia Espro
Guest Editor

Manuscript Submission Information

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Keywords

  • Advanced synthesis
  • Carbon–carbon composites
  • Characterizations
  • Novel multifunctional materials
  • Energy harvesting/storage devices
  • Sensors
  • Carbon fibers
  • New application in heterogeneous catalysis by supported carbon nanoparticles
  • Electrochemical and optical properties of carbon composites

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Published Papers (2 papers)

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Research

14 pages, 4346 KiB  
Article
Application of Palladium Mesoporous Carbon Composite Obtained from a Sustainable Source for Catalyzing Hydrogen Generation Reaction
by Erik Biehler, Qui Quach and Tarek M. Abdel-Fattah
J. Compos. Sci. 2024, 8(7), 270; https://doi.org/10.3390/jcs8070270 - 12 Jul 2024
Cited by 1 | Viewed by 622
Abstract
Alternative fuel sources are necessary in today’s economic and environmental climate. Hydrogen fuel arises as an environmentally friendly and energy dense option; however, the volatility of hydrogen gas makes it dangerous to store and utilize. The evolution of hydrogen from hydrogen feedstock materials [...] Read more.
Alternative fuel sources are necessary in today’s economic and environmental climate. Hydrogen fuel arises as an environmentally friendly and energy dense option; however, the volatility of hydrogen gas makes it dangerous to store and utilize. The evolution of hydrogen from hydrogen feedstock materials may prove to overcome this safety barrier, but a catalyst for this reaction is necessary to optimize production. In this work, a composite catalyst comprised of palladium nanoparticles embedded on mesoporous carbon materials (Pd-MCM) was synthesized and characterized by Transmission Electron Microscope (TEM), Powder X-Ray diffraction (P-XRD), Scanning Electron Microscope (SEM) and Energy Dispersive Spectroscope (EDS). Various reaction conditions such as concentration of reactant, temperature, and pH were applied in measuring the catalytic activity of Pd-MCM. Results show the catalytic activity of the Pd-MCM composite catalysts increased with increasing concentrations of sodium borohydride, increasing temperature, and lower pH. The reaction involving the Pd-MCM composite had an activation energy of 27.9 kJ mol−1. Reusability trials showed the Pd-MCM composite remained stable for up to five consecutive trials. Full article
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19 pages, 3760 KiB  
Article
Scalable Carbon Nanotube/Platinum Nanoparticle Composite Inks from Salt Templates for Oxygen Reduction Reaction Electrocatalysis for PEM Fuel Cells
by Enoch A. Nagelli, F. John Burpo, Delaney A. Marbach, Aaron N. Romero, Daniel J. Rabbia, Hugh W. Mahr, Mark H. Jaskot, Asia N. Murray and Deryn D. Chu
J. Compos. Sci. 2020, 4(4), 160; https://doi.org/10.3390/jcs4040160 - 26 Oct 2020
Cited by 3 | Viewed by 3267
Abstract
Platinum nanoparticles supported on multi-walled carbon nanotubes (CNTs) were synthesized by the chemical reduction of Magnus’s salt templates formed by the electrostatic stacking of oppositely charged platinum coordinated ions. The Magnus’s salt templated synthesis of platinum macrotubes, previously demonstrated, results in sidewalls made [...] Read more.
Platinum nanoparticles supported on multi-walled carbon nanotubes (CNTs) were synthesized by the chemical reduction of Magnus’s salt templates formed by the electrostatic stacking of oppositely charged platinum coordinated ions. The Magnus’s salt templated synthesis of platinum macrotubes, previously demonstrated, results in sidewalls made up of individual textured nanoparticles 100 nm in diameter and comprised of 5 nm diameter fibrils. Here we demonstrate a new platform method that utilizes the individual nanoparticles that make up the platinum macrotubes formed from salt templates and subsequently disperse them through a CNT network by ultrasonication to develop an electrocatalyst nanocomposite for the oxygen reduction reaction (ORR) critical for the development of proton exchange membrane (PEM) fuel cell applications. The structural morphology and composition of the nanocomposite catalysts was characterized using scanning electron microscopy (SEM), X-ray diffractometry (XRD), and Raman spectroscopy to confirm the presence of platinum nanoparticles throughout the CNT network of the nanocomposite. The electrocatalytic activity of the nanocomposite inks was verified with cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and linear sweep voltammetry (LSV) for ORR. Furthermore, this all aqueous-based and scalable approach for the synthesis and dispersion of platinum nanoparticles with CNTs can lead to a new formulation process for the production of electrocatalytic nanocomposite inks for PEM fuel cells using the nanoparticles that form within salt templates after chemical reduction. Full article
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