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Nanomaterials
Special Issues
Emerging Nanomaterials for Electrochemical Applications
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Emerging Nanomaterials for Electrochemical Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (2 January 2023) | Viewed by 4019

Special Issue Editor

Prof. Dr. Jung Tae Park

E-Mail Website
Guest Editor
Department of Chemical Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
Interests: polymer; metal-organic framework; energy conversion; energy storage; solar cell; (photo)electrochemical cell; supercapacitor; Li-ion battery
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrochemical applications, such as photovoltaic devices, secondary batteries, supercapacitors, and water splitting devices, etc., have become the most promising electrochemical technologies to supply renewable energy. For next-generation electrochemical applications, nanomaterials have an important role in improving energy conversion and storage performance. The main challenges in the field of emerging nanomaterials for electrochemical application are the control of their preparation; comprehensive knowledge of physical and chemical active site, enabling a rational design of efficient nanomaterials; and their characterization.  

This Special Issue of Nanomaterials seeks to highlight the most recent results contributing to an understanding of emerging nanomaterials, providing stimulating contributions in the preparation, characterization, and application to the electrochemical field.

Prof. Dr. Jung Tae Park
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. 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

  • nanomaterial
  • electrochemical
  • photovoltaic
  • battery
  • supercapacitor
  • water splitting
  • energy conversion
  • energy storage

Published Papers (2 papers)

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Research

9 pages, 2472 KiB  
Article
ZIF-L to ZIF-8 Transformation: Morphology and Structure Controls
by Chanjong Yu, Young Jae Kim, Jongbum Kim and Kiwon Eum
Nanomaterials 2022, 12(23), 4224; https://doi.org/10.3390/nano12234224 - 27 Nov 2022
Cited by 7 | Viewed by 4136
Abstract
The control of the structure, shape, and components of metal-organic frameworks, in which metal ions and organic ligands coordinate to form crystalline nanopore structures, plays an important role in the use of many electrochemical applications, such as energy storage, high-performance photovoltaic devices, and [...] Read more.
The control of the structure, shape, and components of metal-organic frameworks, in which metal ions and organic ligands coordinate to form crystalline nanopore structures, plays an important role in the use of many electrochemical applications, such as energy storage, high-performance photovoltaic devices, and supercapacitors. In this study, systematic controls of synthesis variables were performed to control the morphology of ZIF-8 during the ZIF-L-to-ZIF-8 transformation of ZIF-L, which has the same building block as ZIF-8 but forms a two-dimensional structure. Furthermore, additional precursors or surfactants (Zn2+, 2mIm, and CTAB) were introduced during the transition to determine whether the alteration could be regulated. Lastly, the partial substitution insertion of a new organic precursor, 2abIm, during the ZIF-L-to-ZIF-8 transformation of ZIF-L was achieved, and modulation of the adsorption and pore characteristics (suppression of gate-opening properties of ZIF-8) has been confirmed. Full article
(This article belongs to the Special Issue Emerging Nanomaterials for Electrochemical Applications)
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14 pages, 4538 KiB  
Article
Investigating the Impact of the Washing Steps of Layered Double Hydroxides (LDH) on the Electrochemical Performance
by Gayi Nyongombe, Guy L. Kabongo, Luyanda L. Noto and Mokhotjwa S. Dhlamini
Nanomaterials 2022, 12(3), 578; https://doi.org/10.3390/nano12030578 - 8 Feb 2022
Cited by 4 | Viewed by 1733
Abstract
The washing of layered double hydroxides (LDH) material is mostly purposed to discard the unreacted products after the reaction has been completed. However, this study demonstrated that the washing stage can also be targeted to optimise the electrochemical performance of LDH by using [...] Read more.
The washing of layered double hydroxides (LDH) material is mostly purposed to discard the unreacted products after the reaction has been completed. However, this study demonstrated that the washing stage can also be targeted to optimise the electrochemical performance of LDH by using an appropriate solvent. Solvents, namely, ethanol, acetone, and an ethanol–acetone solution (2:1) were used for the washing of LDH and the impacts thereof on the structural, physical, chemical, morphological, and electrochemical properties were investigated. Using Williamson–Hall analysis, we observed modifications on the crystalline domain. The specific surface area and pore parameters for all the samples were also differently affected. The Fourier transform infrared (FTIR) measurements displayed evident changes in the basic sites. The electrochemical performances of samples were analysed. The sample washed with the ethanol–acetone solution exhibited a specific capacitance of 1807.26 Fg−1 at 10 mVs−1, which is higher than that of other samples as well as low internal resistance compared to its counterpart. This demonstrates that the use of an appropriate solvent during the washing stage of LDH affects the electrochemical properties. Full article
(This article belongs to the Special Issue Emerging Nanomaterials for Electrochemical Applications)
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