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Nanomaterials
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Synthesis and Application of Nanostructured Materials for Energy-Related Fields
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Synthesis and Application of Nanostructured Materials for Energy-Related Fields

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

Deadline for manuscript submissions: closed (30 August 2023) | Viewed by 4472

Special Issue Editors

Dr. Xiubo Xie

E-Mail Website
Guest Editor
School of Environmental and Materials Engineering, Yantai University, Yantai 264005, China
Interests: hydrogen storage materials; wave absorbing materials; supercapacitor electrode materials
Prof. Dr. Wei Du

E-Mail Website
Guest Editor
School of Environmental and Materials Engineering, Yantai University, Yantai 264005, China
Interests: porous carbon materials; energy materials and devices; growth of artificial crystal

Special Issue Information

Dear Colleagues,

With the rapid consumption of traditional fossil energy and increasing environmental pollution all over the world, developing effective energy storage, conversion and application materials is a priority research area nowadays. Additionally, the development of high-performance clean energy storage and conversion devices would boost global sustainable development. In the past decades, new energy technologies, such as hydrogen production, supercapacitors and lithium-ion batteries, provided alternatives for future energy supply and utilization. To promote the commercialization process of the alternative energies, this Research Topic aims to collect papers focusing on clean energy storage and conversion devices, and provide researchers with an in-depth understanding of the recent difficulties and progress in the production, storage and application of clean energy.

The goal of this Research Topic is to seek advanced materials including carbon, metallic oxide, metallic sulfide and their composites that can be used as electrodes for supercapacitors and lithium-ion batteries, as well as catalysts for hydrogen generation and storage. This collection would be a comprehensive discussion of the existing problems for clean energy storage and conversion materials.

Areas of interest for this Research Topic include, but are not limited to, the following:

  • Carbon materials including graphene, nanotubes, biomass-derived carbon and other carbons.
  • Metallic oxide materials and their composites.
  • Metallic sulfide materials and their composites.

Dr. Xiubo Xie
Prof. Dr. Wei Du
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

  • carbon
  • metallic oxide
  • metallic sulfide
  • supercapacitors
  • lithium-ion battery
  • hydrogen energy

Published Papers (3 papers)

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Research

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13 pages, 5497 KiB  
Article
Phase Transformation and Performance of Mg-Based Hydrogen Storage Material by Adding ZnO Nanoparticles
by Bing Zhang, Ronghan Liu, Hideo Kimura, Yuming Dou, Ziyin Dai, Lirong Xiao, Cui Ni, Chuanxin Hou, Xueqin Sun, Ronghai Yu, Wei Du and Xiubo Xie
Nanomaterials 2023, 13(8), 1321; https://doi.org/10.3390/nano13081321 - 9 Apr 2023
Viewed by 1345
Abstract
ZnO nanoparticles in a spherical-like structure were synthesized via filtration and calcination methods, and different amounts of ZnO nanoparticles were added to MgH2 via ball milling. The SEM images revealed that the size of the composites was about 2 μm. The composites [...] Read more.
ZnO nanoparticles in a spherical-like structure were synthesized via filtration and calcination methods, and different amounts of ZnO nanoparticles were added to MgH2 via ball milling. The SEM images revealed that the size of the composites was about 2 μm. The composites of different states were composed of large particles with small particles covering them. After the absorption and desorption cycle, the phase of composites changed. The MgH2-2.5 wt% ZnO composite reveals excellent performance among the three samples. The results show that the MgH2-2.5 wt% ZnO sample can swiftly absorb 3.77 wt% H2 in 20 min at 523 K and even at 473 K for 1 h can absorb 1.91 wt% H2. Meanwhile, the sample of MgH2-2.5 wt% ZnO can release 5.05 wt% H2 at 573 K within 30 min. Furthermore, the activation energies (Ea) of hydrogen absorption and desorption of the MgH2-2.5 wt% ZnO composite are 72.00 and 107.58 KJ/mol H2, respectively. This work reveals that the phase changes and the catalytic action of MgH2 in the cycle after the addition of ZnO, and the facile synthesis of the ZnO can provide direction for the better synthesis of catalyst materials. Full article
(This article belongs to the Special Issue Synthesis and Application of Nanostructured Materials for Energy-Related Fields)
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13 pages, 3445 KiB  
Article
A New CuSe-TiO2-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor
by Muhammad Sajjad, Abdul Jabbar Khan, Sayed M. Eldin, Asma A. Alothman, Mohamed Ouladsmane, Patrizia Bocchetta, Waqas Ul Arifeen, Muhammad Sufyan Javed and Zhiyu Mao
Nanomaterials 2023, 13(1), 123; https://doi.org/10.3390/nano13010123 - 26 Dec 2022
Cited by 11 | Viewed by 2668
Abstract
A high capacitance and widened voltage frames for an aqueous supercapacitor system are challenging to realize simultaneously in an aqueous medium. The severe water splitting seriously restricts the narrow voltage of the aqueous electrolyte beyond 2 V. To overcome this limitation, herein, we [...] Read more.
A high capacitance and widened voltage frames for an aqueous supercapacitor system are challenging to realize simultaneously in an aqueous medium. The severe water splitting seriously restricts the narrow voltage of the aqueous electrolyte beyond 2 V. To overcome this limitation, herein, we proposed the facile wet-chemical synthesis of a new CuSe-TiO2-GO ternary nanocomposite for hybrid supercapacitors, thus boosting the specific energy up to some maximum extent. The capacitive charge storage mechanism of the CuSe-TiO2-GO ternary nanocomposite electrode was tested in an aqueous solution with 3 M KOH as the electrolyte in a three-cell mode assembly. The voltammogram analysis manifests good reversibility and a remarkable capacitive response at various currents and sweep rates, with a durable rate capability. At the same time, the discharge/charge platforms realize the most significant capacitance and a capacity of 920 F/g (153 mAh/g), supported by the impedance analysis with minimal resistances, ensuring the supply of electrolyte ion diffusion to the active host electrode interface. The built 2 V CuSe-TiO2-GO||AC-GO||KOH hybrid supercapacitor accomplished a significant capacitance of 175 F/g, high specific energy of 36 Wh/kg, superior specific power of 4781 W/kg, and extraordinary stability of 91.3% retention relative to the stable cycling performance. These merits pave a new way to build other ternary nanocomposites to achieve superior performance for energy storage devices. Full article
(This article belongs to the Special Issue Synthesis and Application of Nanostructured Materials for Energy-Related Fields)
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Review

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35 pages, 21757 KiB  
Review
Review of NiS-Based Electrode Nanomaterials for Supercapacitors
by Yuhao Guan, Kexie Hu, Nan Su, Gaohe Zhang, Yujia Han and Minrong An
Nanomaterials 2023, 13(6), 979; https://doi.org/10.3390/nano13060979 - 8 Mar 2023
Cited by 7 | Viewed by 2703
Abstract
As a new type of energy storage device, supercapacitors have the advantages of high-power densities, high safety factors, and low maintenance costs, so they have attracted widespread attention among researchers. However, a major problem with supercapacitors is that their energy densities are not [...] Read more.
As a new type of energy storage device, supercapacitors have the advantages of high-power densities, high safety factors, and low maintenance costs, so they have attracted widespread attention among researchers. However, a major problem with supercapacitors is that their energy densities are not high enough, which limits their application. Therefore, it is crucial to expand the application scenarios of supercapacitors to increase their energy density as much as possible without diminishing their advantages. The classification and working principles of supercapacitors are introduced in this paper. The electrochemical properties of pure NiS materials, NiS composites with carbon materials, NiS composites with sulfide materials, and NiS composites with transition metal oxides for supercapacitors are summarized. This paper may assist in the design of new electrode materials for NiS-based supercapacitors. Full article
(This article belongs to the Special Issue Synthesis and Application of Nanostructured Materials for Energy-Related Fields)
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