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Nanomaterials
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Advanced Functional Nanomaterials for Energy Storage Applications, Volume II
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Advanced Functional Nanomaterials for Energy Storage Applications, Volume II

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 3985

Special Issue Editors

Prof. Dr. Likun Pan

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Guest Editor
School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
Interests: functional nanomaterials; intelligent materials; lithium/sodium-ion batteries; aqueous zinc-ion batteries; capacitive deionization; supercapacitors; solar desalination; flexible device; photocatalysis
Special Issues, Collections and Topics in MDPI journals
Dr. Jinliang Li

E-Mail Website1 Website2
Guest Editor
Department of Physics, Jinan University, Guangzhou 510632, China
Interests: electrode materials; electrolyte; lithium/sodium/potassium ion batteries; photocatalysis
Special Issues, Collections and Topics in MDPI journals
Dr. Jiabao Li

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
Interests: electrode materials for battery applications; materials chemistry; electrochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Currently, most renewable energy sources present some obvious disadvantages, including an intermittent and unstable power supply, resulting in the mismatching between energy supply and actual demand, which seriously restrains their large-scale applications. To improve the energy utilization efficiency, exploring high-performance large-scale energy storage systems becomes a key factor, and high-performance electrode materials are the core component. Nanomaterials possess a large specific surface area, rich pore structure, and special physical and chemical properties, which is deemed to be suitable materials for energy storage. However, simply utilizing these nanomaterials is not enough. To further enhance electrochemical performance, functionalization of nanomaterials, including structure optimization, composite architecture, and elemental doping is necessary. However, some breakthroughs on functional nanomaterials are still needed, including understanding the energy storage behavior at nanoscale, exploring the relationship of functionalization and energy storage performance, as well as studying the potential chemical and physical mechanisms of functional nanomaterials for energy storage.

This is the second volume of the Special Issue "Advanced Functional Nanomaterials for Energy Storage Applications". This Special Issue mainly focuses on the energy storage applications of functional nanomaterials, which can accelerate the development of highly efficient, rapid, and low-cost energy storage systems. We also welcome research related to integrated devices and flexible devices for energy storage. We sincerely hope this Special Issue will provide some new insights into functional nanomaterials for energy storage application.

Prof. Dr. Likun Pan
Dr. Jinliang Li
Dr. Jiabao Li
Guest Editors

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. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). 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

  • synthesis of functional nanomaterials
  • lithium-ion battery
  • sodium-ion battery
  • zinc-ion battery
  • aqueous secondary battery
  • desalination battery
  • supercapacitors
  • simulation of functional nanomaterials
  • photocatalysis for hydrogen generation
  • electrocatalysis for hydrogen generation
  • new types of energy storage devices
  • flexible energy storage devices
  • integrated energy storage devices
  • energy harvesting devices

Published Papers (3 papers)

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Research

13 pages, 4226 KiB  
Article
In Situ Grown Mesoporous Structure of Fe-Dopant@NiCoOX@NF Nanoneedles as an Efficient Supercapacitor Electrode Material
by Yedluri Anil Kumar, Ganesh Koyyada, Dasha Kumar Kulurumotlakatla, Jae Hong Kim, Md Moniruzzaman, Salem Alzahmi and Ihab M. Obaidat
Nanomaterials 2023, 13(2), 292; https://0-doi-org.brum.beds.ac.uk/10.3390/nano13020292 - 10 Jan 2023
Cited by 4 | Viewed by 2244
Abstract
In this study, we designed mixed metal oxides with doping compound nano-constructions as efficient electrode materials for supercapacitors (SCs). We successfully prepared the Fe-dopant with NiCoOx grown on nickel foam (Fe-dopant@NiCoOx@NF) through a simple hydrothermal route with annealing procedures. This [...] Read more.
In this study, we designed mixed metal oxides with doping compound nano-constructions as efficient electrode materials for supercapacitors (SCs). We successfully prepared the Fe-dopant with NiCoOx grown on nickel foam (Fe-dopant@NiCoOx@NF) through a simple hydrothermal route with annealing procedures. This method provides an easy route for the preparation of high activity SCs for energy storage. Obtained results revealed that the Fe dopant has successfully assisted NiCoOx lattices. The electrochemical properties were investigated in a three-electrode configuration. As a composite electrode for SC characteristics, the Fe-dopant@NiCoOx@NF exhibits notable electrochemical performances with very high specific capacitances of 1965 F g−1 at the current density of 0.5 A g−1, and even higher at 1296 F g−1 and 30 A g−1, respectively, which indicate eminent and greater potential for SCs. Moreover, the Fe-dopant@NiCoOx@NF nanoneedle composite obtains outstanding cycling performances of 95.9% retention over 4500 long cycles. The improved SC activities of Fe-dopant@NiCoOx@NF nanoneedles might be ascribed to the synergistic reactions of the ternary mixed metals, Fe-dopant, and the ordered nanosheets grown on NF. Thus, the Fe-dopant@NiCoOx@NF nanoneedle composite with unique properties could lead to promising SC performance. Full article
(This article belongs to the Special Issue Advanced Functional Nanomaterials for Energy Storage Applications, Volume II)
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12 pages, 2706 KiB  
Article
Engineering of Nanostructured WO3 Powders for Asymmetric Supercapacitors
by Giacometta Mineo, Mario Scuderi, Gianni Pezzotti Escobar, Salvo Mirabella and Elena Bruno
Nanomaterials 2022, 12(23), 4168; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12234168 - 24 Nov 2022
Cited by 5 | Viewed by 1272
Abstract
Transition metal oxide nanostructures are promising materials for energy storage devices, exploiting electrochemical reactions at nanometer solid–liquid interface. Herein, WO3 nanorods and hierarchical urchin-like nanostructures were obtained by hydrothermal method and calcination processes. The morphology and crystal phase of WO3 nanostructures [...] Read more.
Transition metal oxide nanostructures are promising materials for energy storage devices, exploiting electrochemical reactions at nanometer solid–liquid interface. Herein, WO3 nanorods and hierarchical urchin-like nanostructures were obtained by hydrothermal method and calcination processes. The morphology and crystal phase of WO3 nanostructures were investigated by scanning and transmission electron microscopy (SEM and TEM) and X-ray diffraction (XRD), while energy storage performances of WO3 nanostructures-based electrodes were evaluated by cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) tests. Promising values of specific capacitance (632 F/g at 5 mV/s and 466 F/g at 0.5 A/g) are obtained when pure hexagonal crystal phase WO3 hierarchical urchin-like nanostructures are used. A detailed modeling is given of surface and diffusion-controlled mechanisms in the energy storage process. An asymmetric supercapacitor has also been realized by using WO3 urchin-like nanostructures and a graphene paper electrode, revealing the highest energy density (90 W × h/kg) at a power density of 90 W × kg−1 and the highest power density (9000 W/kg) at an energy density of 18 W × h/kg. The presented correlation among physical features and electrochemical performances of WO3 nanostructures provides a solid base for further developing energy storage devices based on transition metal oxides. Full article
(This article belongs to the Special Issue Advanced Functional Nanomaterials for Energy Storage Applications, Volume II)
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12 pages, 3460 KiB  
Article
Investigation on Crystal-Structure, Thermal and Electrical Properties of PVDF Nanocomposites with Cobalt Oxide and Functionalized Multi-Wall-Carbon-Nanotubes
by Farhan, Shabir Ahmad, Hameed Ullah, Zia Ur Rehman, Mohsan Nawaz, Imad Uddin, Anand Parkash, Hatem R Alamri, Norah Salem Alsaiari and Muhammad Sufyan Javed
Nanomaterials 2022, 12(16), 2796; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12162796 - 15 Aug 2022
Cited by 5 | Viewed by 1776
Abstract
Nanocomposites of polyvinylidene fluoride (PVDF) with dimensional (1D) cobalt oxide (Co3O4) and f-MWCNTs were prepared successfully by the solution casting method. The impact of 1D Co3O4 filler and 1D Co3O4/f [...] Read more.
Nanocomposites of polyvinylidene fluoride (PVDF) with dimensional (1D) cobalt oxide (Co3O4) and f-MWCNTs were prepared successfully by the solution casting method. The impact of 1D Co3O4 filler and 1D Co3O4/f-MWCNTs co-fillers on the structural, thermal, and electrical behavior of PVDF were studied. The crystal structural properties of pure PVDF and its nanocomposite films were studied by XRD, which revealed a significant enhancement of β-phase PVDF in the resulting nanocomposite films. The increase in β-phase was further revealed by the FTIR spectroscopic analysis of the samples. TG, DTA, and DSC analyses confirmed an increase in thermal stability of PVDF with the addition of nano-fillers as well as their increasing wt.%. From impedance spectroscopic studies, it was found that the DC conductivity of PVDF increases insignificantly initially (up to 0.1 wt.% of nano-fillers addition), but a significant improvement in DC conductivity was found at higher concentrations of the nano-fillers. Furthermore, it was observed that the DC conductivity decreases with frequency. The increase in DC conductivity corresponded to the strong interactions of nano-fillers with PVDF polymer chains. Full article
(This article belongs to the Special Issue Advanced Functional Nanomaterials for Energy Storage Applications, Volume II)
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