Carbon Composites for Energy Conversion and Storage

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 April 2021) | Viewed by 2185

Special Issue Editors


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Guest Editor
College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK
Interests: synthesis, characterization, and applications of various novel functional nanomaterials in energy conversion and storage
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Co-Guest Editor
Advanced Materials Research Group, Faculty of Engineering, The University of Nottingham, Nottingham, UK
Interests: design, synthesis, and characterization of functional nanomaterials for sensing, energy conversion (i.e., water splitting, solar fuels production), and storage (supercapacitors, batteries, and fuel cells)
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Co-Guest Editor
School of Resources, Environment and Materials, Guangxi University, Nanning, China
Interests: synthesis and characterization of IF-WS2, CNT, graphene, 2D materials, W18O49/NiO for energy generation and storage applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With increasing energy demands and rising concerns about energy shortages, there is an intense effort worldwide to find sustainable and green energy sources as alternatives to widely used fossil fuels. Whilst energy generation from these sustainable sources is of the utmost importance, energy conversion and storage are equally essential. The latter issue relies heavily on the development of smart materials and novel strategies that may generate cost-effective nanomaterials and nanocomposites with superb performance in energy conversion and storage technologies.

Among a plethora of new materials being investigated, carbon combined with various forms of metals/oxides/chalcogenides to create composites with complex structural configurations has shown promising performance, at low cost, in the diverse area of energy conversion and storage. This is an area of particular interest for this Special Issue.

The above interests are the driving force of this Special Issue, which will address the different challenges directly linked to carbon-based advanced composites and summarize recent developments achieved in the broad range of energy conversion and storage applications. The scope of this Special Issue will cover the composite synthesis, characterization, and performance evaluation that is associated with the conversion and storage of thermal, solar, electrochemical, mechanical, and hydrogen energies.

Prof. Yanqiu Zhu
Dr. Oluwafunmilola Ola
Dr. Nannan Wang
Guest Editors

Manuscript Submission Information

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Keywords

  • Nanocomposites
  • Functional materials
  • Carbon
  • Energy conversion
  • Energy storage

Published Papers (1 paper)

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Research

13 pages, 3629 KiB  
Article
Influence of High Energy Ball Milling and Dispersant on Capacitive Properties of Fe2O3—Carbon Nanotube Composites
by Chengwei Zhang and Igor Zhitomirsky
J. Compos. Sci. 2022, 6(6), 177; https://doi.org/10.3390/jcs6060177 - 17 Jun 2022
Cited by 7 | Viewed by 1800
Abstract
This investigation is motivated by increasing interest in ferrimagnetic materials and composites, which exhibit electrical capacitance. It addresses the need for the development of magnetic materials with enhanced capacitive properties and low electrical resistance. γ-Fe2O3-multiwalled carbon nanotube (MWCNT) composites [...] Read more.
This investigation is motivated by increasing interest in ferrimagnetic materials and composites, which exhibit electrical capacitance. It addresses the need for the development of magnetic materials with enhanced capacitive properties and low electrical resistance. γ-Fe2O3-multiwalled carbon nanotube (MWCNT) composites are developed by colloidal processing and studied for energy storage in negative electrodes of supercapacitors. High energy ball milling (HEBM) of ferrimagnetic γ-Fe2O3 nanoparticles results in enhanced capacitive properties. The effect of HEBM on particle morphology is analyzed. Gallocyanine is used as a co-dispersant for γ-Fe2O3 and MWCNTs. The polyaromatic structure and catechol ligand of gallocyanine facilitated its adsorption on γ-Fe2O3 and MWCNTs, respectively, and facilitated their electrostatic dispersion and mixing. The adsorption mechanisms are discussed. The highest capacitance of 1.53 F·cm−2 is achieved in 0.5 M Na2SO4 electrolyte for composites, containing γ-Fe2O3, which is high energy ball milled and co-dispersed with MWCNTs using gallocyanine. HEBM and colloidal processing strategies allow high capacitance at low electrical resistance, which facilitates efficient charge–discharge. Obtained composites are promising for fabrication of multifunctional devices based on mutual interaction of ferrimagnetic and capacitive properties. Full article
(This article belongs to the Special Issue Carbon Composites for Energy Conversion and Storage)
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