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Advances in Nanostructured Materials for Energy Storage Applications
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Advances in Nanostructured Materials for Energy Storage Applications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 2928

Special Issue Editor

Prof. Dr. Douglas B. Chrisey

E-Mail Website
Guest Editor
Department of Physics and Engineering Physics, Tulane University, New Orleans, LA 70118, USA
Interests: materials for energy storage applications; transition metal oxides; nanocomposites; pulsed laser deposition; scalable synthesis of nanostructured materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

“Nanostructured Materials for Energy Storage Applications” is a Special Issue that will focus on the novel synthesis techniques, improved performance, and scalability of nanostructured materials for energy storage applications. This will be an important issue that includes contributions representing all aspects of nanostructure and energy storage. 

For over 20 years, we have witnessed an astounding contribution of nanomaterials and nanostructured materials to disparate application areas, such as functional materials for energy storage and energy harvesting. The potential of nanomaterials in energy storage, however, is far from being completely exploited. As our understanding of the mechanisms of energy storage in nanomaterials improves, gravimetric storage densities are increasing. Novel nanostructured materials, with a better performance in energy storage applications, are constantly being discovered through creative, synthetic ways to control their nanostructure. Synthesis methods are concomitantly becoming less cost-intensive with innovations in fabrication techniques. To achieve the goal of making the generation and consumption of clean energy sustainable, the potential of nanomaterials needs to be transitioned to large-scale manufacturing.

This Special Issue aims to focus on the novel synthesis techniques, improved performance, and scalability of nanostructured materials with increased ionic and electronic conductivity, higher surface area, improved electrolyte penetration, and better resistance against mechanical degradation. Nanostructured materials prepared by thoughtful design techniques including but not limited to change in atomic composition, microstructure, and morphology are of interest for this issue. Research papers exploring potential of nanostructured materials by modification techniques, including doping, functionalization, pre-intercalation, templating, coating, and other new techniques will also be considered for publication.

Original research contributing to improvements in the performance, synthesis method, safety profile, characterization techniques, as well as reducing the cost of new and improved nanostructured materials, is invited. Review papers in this field that cover the latest advances in nanostructured materials for energy storage applications are also welcome.

Prof. Dr. Douglas B. Chrisey
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electrodes
  • doping
  • functionalization
  • intercalation
  • templating
  • coating
  • metal oxides
  • composites
  • batteries
  • supercapacitors
  • dielectrics

Published Papers (2 papers)

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Research

12 pages, 5054 KiB  
Article
Nanoparticle-Polymer Surface Functionalizations for Capacitive Energy Storage: Experimental Comparison to First Principles Simulations
by Joshua Shipman, Binod Subedi, Christopher Keller, Brian Riggs, Scott Grayson and Douglas Chrisey
Int. J. Mol. Sci. 2023, 24(17), 13321; https://doi.org/10.3390/ijms241713321 - 28 Aug 2023
Viewed by 715
Abstract
Dielectric capacitors present many advantages for large-scale energy storage, but they presently require higher energy density. We demonstrate novel high energy density polymer-nanoparticle composite capacitors utilizing thiol-ene click chemistry surface groups to bond the nanoparticles covalently to the polymer matrix. Interfacial effects in [...] Read more.
Dielectric capacitors present many advantages for large-scale energy storage, but they presently require higher energy density. We demonstrate novel high energy density polymer-nanoparticle composite capacitors utilizing thiol-ene click chemistry surface groups to bond the nanoparticles covalently to the polymer matrix. Interfacial effects in composites cannot be observed directly, and in our previous work, we examined the nanoparticle–polymer interface in silico. In this work, we experimentally examine the five surface functionalizations modeled previously, fabricating high energy density thin film capacitors to test our predictions. Results from this study, in conjunction with properties previously determined in silico, further improve the understanding of the role of surface functionalizations in composites prepared using click chemistry. The coating density of the surface functionalizations is shown to be a key factor in relating our computational results to experimental results. We show how using both coating density and our previous modeling in combination allows for prescreening of surface functionalizations for future composites, reducing experimental cost. We also demonstrate high energy density capacitors with ~20 J/cm3. Full article
(This article belongs to the Special Issue Advances in Nanostructured Materials for Energy Storage Applications)
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19 pages, 6519 KiB  
Article
Enhanced Performance of WO3/SnO2 Nanocomposite Electrodes with Redox-Active Electrolytes for Supercapacitors
by Tamiru Deressa Morka and Masaki Ujihara
Int. J. Mol. Sci. 2023, 24(7), 6045; https://doi.org/10.3390/ijms24076045 - 23 Mar 2023
Cited by 7 | Viewed by 1637
Abstract
For effective supercapacitors, we developed a process involving chemical bath deposition, followed by electrochemical deposition and calcination, to produce WO3/SnO2 nanocomposite electrodes. In aqueous solutions, the hexagonal WO3 microspheres were first chemically deposited on a carbon cloth, and then [...] Read more.
For effective supercapacitors, we developed a process involving chemical bath deposition, followed by electrochemical deposition and calcination, to produce WO3/SnO2 nanocomposite electrodes. In aqueous solutions, the hexagonal WO3 microspheres were first chemically deposited on a carbon cloth, and then tin oxides were uniformly electrodeposited. The synthesized WO3/SnO2 nanocomposite was characterized by XRD, XPS, SEM, and EDX techniques. Electrochemical properties of the WO3/SnO2 nanocomposite were analyzed by cyclic voltammetry, galvanostatic charge-discharge tests, and electrochemical impedance spectroscopy in an aqueous solution of Na2SO4 with/without the redox-active electrolyte K3Fe(CN)6. K3Fe(CN)6 exhibited a synergetic effect on the electrochemical performance of the WO3/SnO2 nanocomposite electrode, with a specific capacitance of 640 F/g at a scan rate of 5 mV/s, while that without K3Fe(CN)6 was 530 F/g. The WO3/SnO2 nanocomposite catalyzed the redox reactions of [Fe(CN)6]3/[Fe(CN)6]4− ions, and the [Fe(CN)6]3−/[Fe(CN)6]4− ions also promoted redox reactions of the WO3/SnO2 nanocomposite. A symmetrical configuration of the nanocomposite electrodes provided good cycling stability (coulombic efficiency of 99.6% over 2000 cycles) and satisfied both energy density (60 Whkg−1) and power density (540 Wkg−1) requirements. Thus, the WO3/SnO2 nanocomposite prepared by this simple process is a promising component for a hybrid pseudocapacitor system with a redox-flow battery mechanism. Full article
(This article belongs to the Special Issue Advances in Nanostructured Materials for Energy Storage Applications)
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