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Nanomaterials
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Advanced Nanomaterials for High-Performance Batteries and Supercapacitors
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Advanced Nanomaterials for High-Performance Batteries and Supercapacitors

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

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 3421

Special Issue Editors

Prof. Dr. Yueming Li

E-Mail Website
Guest Editor
State Key Laboratory of Metastable Materials Science and Technology, College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, China
Interests: Li-ion batteries; Li metal batteries; supercapacitors; anode materials; carbon materials
Dr. Hailong Qiu

E-Mail Website
Guest Editor
State Key Laboratory of Metastable Materials Science and Technology, College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, China
Interests: K-ion batteries; sodium–ion batteries; Li-ion batteries; Li metal batteries

Special Issue Information

Dear Colleagues, 

With the development of electric vehicles and portable electronics, it becomes more and more important to develop high-performance batteries and supercapacitors with long cycling lives, high-rate performance, high energy density and power density, and low costs. Nanomaterials have unique merits when it comes to enhancing the electrochemical performance of batteries and supercapacitors. We are pleased to invite you to contribute an article (either a research paper or review) to this Special Issue of Nanomaterials.

This Special Issue focuses on all aspects of energy storage and conversion, in particular nanomaterials in lithium-ion batteries, in lithium metal batteries, sodium–ion batteries, potassium ion batteries, Zn-based batteries, Pb-acid batteries, lithium/sodium–sulfur batteries, supercapacitors, and/or novel types of batteries. 

In this Special Issue, original research papers, reviews and short communications are welcome. Research areas may include (but are not limited to) the following: 

  • Preparation of novel nanomaterials such as anodes, cathodes, electrolytes, separators, current collectors, and additives for high-performance batteries and supercapacitors;
  • New application of nanomaterials in high-performance batteries and supercapacitors;    
  • Engineering, control, and optimization aspects of nanomaterials in batteries and supercapacitors;
  • Applications and future trends of nanomaterials for high-performance batteries and supercapacitors;
  • Testing and evaluation of nanomaterials in high-performance batteries and supercapacitors.

Prof. Dr. Yueming Li
Dr. Hailong Qiu
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

  • nanomaterials
  • anode materials
  • cathode materials
  • batteries
  • supercapacitor
  • electrolyte

Published Papers (3 papers)

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Research

13 pages, 3033 KiB  
Article
Enhanced Aluminum-Ion Storage Properties of N-Doped Titanium Dioxide Electrode in Aqueous Aluminum-Ion Batteries
by Le Jian, Xibing Wu, Ruichun Li, Fangzheng Zhao, Peng Liu, Feng Wang, Daosheng Liu, Qingrong Yao and Jianqiu Deng
Nanomaterials 2024, 14(5), 472; https://doi.org/10.3390/nano14050472 - 5 Mar 2024
Viewed by 730
Abstract
Aqueous aluminum-ion batteries (AIBs) have great potential as devices for future large-scale energy storage systems due to the cost efficiency, environmentally friendly nature, and impressive theoretical energy density of Al. However, currently, available materials used as anodes for aqueous AIBs are scarce. In [...] Read more.
Aqueous aluminum-ion batteries (AIBs) have great potential as devices for future large-scale energy storage systems due to the cost efficiency, environmentally friendly nature, and impressive theoretical energy density of Al. However, currently, available materials used as anodes for aqueous AIBs are scarce. In this study, a novel sol-gel method was used to synthesize nitrogen-doped titanium dioxide (N-TiO2) as a potential anode material for AIBs in water. The annealed N-TiO2 showed a high discharge capacity of 43.2 mAh g−1 at a current density of 3 A g−1. Analysis of the electrode kinetics revealed that the N-TiO2 anodes exhibited rapid diffusion of aluminum ions, low resistance to charge transfer, and high electronic conductivity, enabling good rate performance. The successful implementation of a nitrogen-doping strategy provides a promising approach to enhance the electrochemical characteristics of electrode materials for aqueous AIBs. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for High-Performance Batteries and Supercapacitors)
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18 pages, 3914 KiB  
Article
Synthesis and Optimization of Ni-Based Nano Metal–Organic Frameworks as a Superior Electrode Material for Supercapacitor
by Carolina Manquian, Alberto Navarrete, Leonardo Vivas, Loreto Troncoso and Dinesh Pratap Singh
Nanomaterials 2024, 14(4), 353; https://doi.org/10.3390/nano14040353 - 13 Feb 2024
Viewed by 1427
Abstract
Metal–organic frameworks (MOFs) are hybrid materials that are being explored as active electrode materials in energy storage devices, such as rechargeable batteries and supercapacitors (SCs), due to their high surface area, controllable chemical composition, and periodic ordering. However, the facile and controlled synthesis [...] Read more.
Metal–organic frameworks (MOFs) are hybrid materials that are being explored as active electrode materials in energy storage devices, such as rechargeable batteries and supercapacitors (SCs), due to their high surface area, controllable chemical composition, and periodic ordering. However, the facile and controlled synthesis of a pure MOF phase without impurities or without going through a complicated purification process (that also reduces the yield) are challenges that must be resolved for their potential industrial applications. Moreover, various oxide formations of the Ni during Ni-MOF synthesis also represent an issue that affects the purity and performance. To resolve these issues, we report the controlled synthesis of nickel-based metal–organic frameworks (NiMOFs) by optimizing different growth parameters during hydrothermal synthesis and by utilizing nickel chloride as metal salt and H2bdt as the organic ligand, in a ratio of 1:1 at 150 °C. Furthermore, the synthesis was optimized by introducing a magnetic stirring stage, and the reaction temperature varied across 100, 150, and 200 °C to achieve the optimized growth of the NiMOFs crystal. The rarely used H2bdt ligand for Ni-MOF synthesis and the introduction of the ultrasonication stage before putting it in the furnace led to the formation of a pure phase without impurities and oxide formation. The synthesized materials were further characterized by powder X-ray diffraction (XRD) technique, scanning electron microscopy (SEM), and UV–vis spectroscopy. The SEM images exhibited the formation of nano NiMOFs having a rectangular prism shape. The average size was 126.25 nm, 176.0 nm, and 268.4 nm for the samples (1:1)s synthesized at 100 °C, 150 °C, and 200 °C, respectively. The electrochemical performances were examined in a three-electrode configuration, in a wide potential window from −0.4 V to 0.55 V, and an electrolyte concentration of 2M KOH was maintained for each measurement. The charge–discharge galvanostatic measurement results in specific capacitances of 606.62 F/g, 307.33 F/g, and 287.42 F/g at a current density of 1 A/g for the synthesized materials at 100 °C, 150 °C, and 200 °C, respectively. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for High-Performance Batteries and Supercapacitors)
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10 pages, 3266 KiB  
Article
Concave Ni(OH)2 Nanocube Synthesis and Its Application in High-Performance Hybrid Capacitors
by Nan Cong, Pan Li, Xuyun Guo and Xiaojuan Chen
Nanomaterials 2023, 13(18), 2538; https://doi.org/10.3390/nano13182538 - 11 Sep 2023
Viewed by 1010
Abstract
The controlled synthesis of hollow structure transition metal compounds has long been a very interesting and significant research topic in the energy storage and conversion fields. Herein, an ultrasound-assisted chemical etching strategy is proposed for fabricating concave Ni(OH)2 nanocubes. The morphology and [...] Read more.
The controlled synthesis of hollow structure transition metal compounds has long been a very interesting and significant research topic in the energy storage and conversion fields. Herein, an ultrasound-assisted chemical etching strategy is proposed for fabricating concave Ni(OH)2 nanocubes. The morphology and composition evolution of the concave Ni(OH)2 nanocubes suggest a possible formation mechanism. The as-synthesized Ni(OH)2 nanostructures used as supercapacitor electrode materials exhibit high specific capacitance (1624 F g−1 at 2 A g−1) and excellent cycling stability (77% retention after 4000 cycles) due to their large specific surface area and open pathway. In addition, the corresponding hybrid capacitor (Ni(OH)2//graphene) demonstrates high energy density (42.9 Wh kg−1 at a power density of 800 W kg−1) and long cycle life (78% retention after 4000 cycles at 5 A g−1). This work offers a simple and economic approach for obtaining concave Ni(OH)2 nanocubes for energy storage and conversion. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for High-Performance Batteries and Supercapacitors)
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