Special Issue "Innovative Advanced Materials for Energy Storage and Beyond: Synthesis, Characterization and Applications"

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: 15 November 2019

Special Issue Editor

Guest Editor
Dr. Vijay Kumar Thakur

Enhanced Composites & Structures Centre, Cranfield University, Cranfield MK43 0AL, UK
Website 1 | Website 2 | E-Mail
Interests: biomacromolecules; composites; electronic materials; fibers; green chemistry; hydrogels; monomers; multifunctional materials; manufacturing; nanomaterials; polymers; polysaccharides; sustainability

Special Issue Information

Dear Colleagues,

Recently, advanced materials have attracted considerable interest owing to their possible applications in different fields such as in supercapacitors, capacitors, batteries and other energy storage systems. Many of the 21st century’s advancing technologies, e.g., electric vehicles (and hybrids), portable electronic devices, and renewable energy systems, drive the demand for high-performance energy storage systems. In fact, the increasing demand for processable, lightweight, flexible energy storage materials has motivated researchers from both academia and industry to develop and manufacture new materials that offer excellent properties depending on the targeted applications. This Special Issue is aimed at presenting the current state-of-the-art in new advanced materials to address the various challenging issues researchers have been confronted with in this field for a number of applications, especially for energy storage.

This Special Issue of Nanomaterials will publish high quality short communications, and research papers covering the most recent advances, as well as comprehensive reviews addressing novel and state-of-the-art topics from active researchers in innovative advanced materials and hybrid materials, concerning not only their synthesis, preparation and characterization, but especially focusing on the applications of such  materials with outstanding performances.

Dr. Vijay Kumar Thakur
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 papers will be 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 monthly 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 1600 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

  • New advanced materials for supercapacitors; batteries; solar cells; dielectric materials
  • Structure, chemistry and processing of innovative materials
  • Modeling and simulation study of materials for energy storage
  • New innovative nanostructures and functional materials
  • Solid-electrolyte interphase; high-performance anode; electrochemical energy storage
  • Double-layer capacitors; nanotechnology
  • Electric vehicle applications, superior cycling stability
  • Other materials and nano-devices

Published Papers (4 papers)

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Open AccessArticle
Dual Substitution and Spark Plasma Sintering to Improve Ionic Conductivity of Garnet Li7La3Zr2O12
Nanomaterials 2019, 9(5), 721; https://doi.org/10.3390/nano9050721
Received: 18 March 2019 / Revised: 28 April 2019 / Accepted: 8 May 2019 / Published: 10 May 2019
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Abstract
Garnet Li7La3Zr2O12 is one of the most promising solid electrolytes used for solid-state lithium batteries. However, low ionic conductivity impedes its application. Herein, we report Ta-doping garnets with compositions of Li7-xLa3Zr2-x [...] Read more.
Garnet Li7La3Zr2O12 is one of the most promising solid electrolytes used for solid-state lithium batteries. However, low ionic conductivity impedes its application. Herein, we report Ta-doping garnets with compositions of Li7-xLa3Zr2-xTaxO12 (0.1 ≤ x ≤ 0.75) obtained by solid-state reaction and free sintering, which was facilitated by graphene oxide (GO). Furthermore, to optimize Li6.6La3Zr1.6Ta0.4O12, Mg2+ was select as a second dopant. The dual substitution of Ta5+ for Zr4+ and Mg2+ for Li+ with a composition of Li6.5Mg0.05La3Zr1.6Ta0.4O12 showed an enhanced total ionic conductivity of 6.1 × 10−4 S cm−1 at room temperature. Additionally, spark plasma sintering (SPS) was applied to further densify the garnets and enhance their ionic conductivities. Both SPS specimens present higher conductivities than those produced by the conventional free sintering. At room temperature, the highest ionic conductivity of Li6.5Mg0.05La3Zr1.6Ta0.4O12 sintered at 1000 °C is 8.8 × 10−4 S cm−1, and that of Li6.6La3Zr1.6Ta0.4O12 sintered at 1050 °C is 1.18 × 10−3 S cm−1. Full article
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Open AccessArticle
On the Beneficial Effect of MgCl2 as Electrolyte Additive to Improve the Electrochemical Performance of Li4Ti5O12 as Cathode in Mg Batteries
Nanomaterials 2019, 9(3), 484; https://doi.org/10.3390/nano9030484
Received: 6 March 2019 / Revised: 15 March 2019 / Accepted: 20 March 2019 / Published: 26 March 2019
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Abstract
Magnesium batteries are a promising technology for a new generation of energy storage for portable devices. Attention should be paid to electrolyte and electrode material development in order to develop rechargeable Mg batteries. In this study, we report the use of the spinel [...] Read more.
Magnesium batteries are a promising technology for a new generation of energy storage for portable devices. Attention should be paid to electrolyte and electrode material development in order to develop rechargeable Mg batteries. In this study, we report the use of the spinel lithium titanate or Li4Ti5O12 (LTO) as an active electrode for Mg2+-ion batteries. The theoretical capacity of LTO is 175 mA h g−1, which is equivalent to an insertion reaction with 1.5 Mg2+ ions. The ability to enhance the specific capacity of LTO is of practical importance. We have observed that it is possible to increase the capacity up to 290 mA h g−1 in first discharge, which corresponds to the reaction with 2.5 Mg2+ ions. The addition of MgCl2·6H2O to the electrolyte solutions significantly improves their electrochemical performance and enables reversible Mg deposition. Ex-situ X-ray diffraction (XRD) patterns reveal little structural changes, while X-ray photoelectron spectrometer (XPS) (XPS) measurements suggest Mg reacts with LTO. The Ti3+/Ti4+ ratio increases with the amount of inserted magnesium. The impedance spectra show the presence of a semicircle at medium-low frequencies, ascribable to Mg2+ ion diffusion between the surface film and LTO. Further experimental improvements with exhaustive control of electrodes and electrolytes are necessary to develop the Mg battery with practical application. Full article
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Open AccessArticle
Non-Isothermal Crystallisation Kinetics of Carbon Black- Graphene-Based Multimodal-Polyethylene Nanocomposites
Nanomaterials 2019, 9(1), 110; https://doi.org/10.3390/nano9010110
Received: 9 December 2018 / Revised: 9 January 2019 / Accepted: 11 January 2019 / Published: 18 January 2019
Cited by 2 | PDF Full-text (3689 KB) | HTML Full-text | XML Full-text | Correction | Supplementary Files
Abstract
The effect of carbon black (CB) and microwave-induced plasma graphene (g) on the crystallisation kinetics of the multimodal high-density polyethylene was studied under non-isothermal conditions. The non-isothermal crystallisation behaviour of the multimodal-high-density polyethylene (HDPE), containing up to 5 wt.% graphene, was compared with [...] Read more.
The effect of carbon black (CB) and microwave-induced plasma graphene (g) on the crystallisation kinetics of the multimodal high-density polyethylene was studied under non-isothermal conditions. The non-isothermal crystallisation behaviour of the multimodal-high-density polyethylene (HDPE), containing up to 5 wt.% graphene, was compared with that of neat multimodal-HDPE and its carbon black based nanocomposites. The results suggested that the non-isothermal crystallisation behaviour of polyethylene (PE)-g nanocomposites relied significantly on both the graphene content and the cooling rate. The addition of graphene caused a change in the mechanism of the nucleation and the crystal growth of the multimodal-HDPE, while carbon black was shown to have little effect. Combined Avrami and Ozawa equations were shown to be effective in describing the non-isothermal crystallisation behaviour of the neat multimodal-HDPE and its nanocomposites. The mean activation energy barrier (ΔE), required for the transportation of the molecular chains from the melt state to the growing crystal surface, gradually diminished as the graphene content increased, which is attributable to the nucleating agent effect of graphene platelets. On the contrary, the synergistic effect resulting from the PE-CB nanocomposite decreased the ΔE of the neat multimodal-HDPE significantly at the lowest carbon black content. Full article
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Open AccessCorrection
Correction: Ahmad, I.A., et al. Non-Isothermal Crystallisation Kinetics of Carbon Black-Graphene-Based Multimodal-Polyethylene Nanocomposites. Nanomaterials, 2019, 9, 100
Nanomaterials 2019, 9(3), 392; https://doi.org/10.3390/nano9030392
Received: 1 March 2019 / Accepted: 6 March 2019 / Published: 7 March 2019
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Abstract
In the published paper [1], there was a typo error mistake in Equation (5), which was supposed to be expressed as “logZt+nlogt=logKTmlogΦ” instead of “log [...] Read more.
In the published paper [1], there was a typo error mistake in Equation (5), which was supposed to be expressed as “ log Z t + n log t = log K T m log Φ ” instead of “log Zt + n log t = log KTml” [...] Full article
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