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Advanced Electrode Materials and Novel Device Designs for Supercapacitors
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Advanced Electrode Materials and Novel Device Designs for Supercapacitors

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: closed (10 July 2024) | Viewed by 2435

Special Issue Editors

Dr. Qian Li

E-Mail Website
Guest Editor
College of Materials Science And Engineering, Nanjing Tech University, Nanjing, China
Interests: supercapacitors; electrochemical energy storage mechanism; carbon-based nanomaterials; two-dimensional ultrathin materials; hybrid nanocomposites; micro-supercapacitor; high-frequency supercapacitors; device designs
Dr. Wenyao Zhang

E-Mail Website
Guest Editor
Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
Interests: zinc air batteries; electrocatalysts; batteries
Dr. Fangyuan Su

E-Mail Website
Guest Editor
CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, 27 Taoyuan South Road, Taiyuan 030001, China
Interests: lithium; supercapacitor; lithium; lithium battery and other electrochemical energy storage devices
Dr. Lijing Xie

E-Mail Website
Guest Editor
CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
Interests: carbon; electrode materials; carbon nanofibers

Special Issue Information

Dear Colleagues,

In this Special Issue, I would like to invite submissions of papers on advanced electrode materials and novel device designs for the latest supercapacitors. With the increasing importance of electrochemical energy storage, the development of supercapacitors is accelerating. Many advanced materials have been used as supercapacitor electrodes like carbon-based nanomaterials, metal oxides/sulfides/selenides/phosphides, conducting polymers and hybrid nanocomposites along with some novel materials like MXenes, metal-organic frameworks, metal nitrides, and covalent organic frameworks. Various novel supercapacitor device designs such as flexible supercapacitors, micro-supercapacitors, battery-supercapacitor hybrid devices, electrochromic supercapacitors, photo-supercapacitors, thermally chargeable supercapacitors, high-frequency supercapacitors and self-healing supercapacitors have also been developed for high performance or special applications. It is expected that these advanced electrode materials and emerging device designs will propel supercapacitors to get a limitless foreground in the future.

This Special Issue covers various topics related to advanced electrode materials and novel device designs for the latest supercapacitors, including but not limited to the following topics:

  • Metal oxides/sulfides/selenides/phosphides;
  • Metal-organic frameworks;
  • Covalent organic frameworks;
  • Two-dimensional ultrathin materials;
  • Carbon-based nanomaterials;
  • Conducting polymers;
  • Flexible supercapacitors;
  • Micro-supercapacitors;
  • Battery-supercapacitor hybrid devices;
  • High-frequency supercapacitors;
  • Electrochromic supercapacitors;
  • Self-healing supercapacitors.

Dr. Qian Li
Dr. Wenyao Zhang
Dr. Fangyuan Su
Dr. Lijing Xie
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. Materials 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 2600 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

  • metal oxides/sulfides/selenides/phosphides
  • metal-organic frameworks
  • covalent organic frameworks
  • two-dimensional ultrathin materials
  • carbon-based nanomaterials
  • conducting polymers
  • flexible supercapacitors
  • micro-supercapacitors
  • battery-supercapacitor hybrid devices
  • high-frequency supercapacitors
  • electrochromic supercapacitors
  • self-healing supercapacitors

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Published Papers (2 papers)

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Research

12 pages, 2317 KiB  
Article
Prussian Blue Anchored on Reduced Graphene Oxide Substrate Achieving High Voltage in Symmetric Supercapacitor
by Lindiomar Borges Avila, Pablo A. Serrano, Luis Torres Quispe, Adriana Dantas, Diogo Pontes Costa, Edy Elar Cuevas Arizaca, Diana Patricia Paredes Chávez, César Daniel Valdivia Portugal and Christian Klaus Müller
Materials 2024, 17(15), 3782; https://doi.org/10.3390/ma17153782 - 1 Aug 2024
Cited by 1 | Viewed by 837
Abstract
In this work, iron hexacyanoferrate (FeHCF—Prussian blue) particles have been grown onto a reduced graphene oxide substrate through a pulsed electrodeposition process. Thus, the prepared FeHCF electrode exhibits a specific volumetric capacitance of 88 F cm−3 (specific areal capacitance of 26.6 mF [...] Read more.
In this work, iron hexacyanoferrate (FeHCF—Prussian blue) particles have been grown onto a reduced graphene oxide substrate through a pulsed electrodeposition process. Thus, the prepared FeHCF electrode exhibits a specific volumetric capacitance of 88 F cm−3 (specific areal capacitance of 26.6 mF cm−2) and high cycling stability with a capacitance retention of 93.7% over 10,000 galvanostatic charge–discharge cycles in a 1 M KCl electrolyte. Furthermore, two identical FeHCF electrodes were paired up in order to construct a symmetrical supercapacitor, which delivers a wide potential window of 2 V in a 1 M KCl electrolyte and demonstrates a large energy density of 27.5 mWh cm−3 at a high power density of 330 W cm−3. Full article
(This article belongs to the Special Issue Advanced Electrode Materials and Novel Device Designs for Supercapacitors)
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15 pages, 3673 KiB  
Article
Facile Synthesis of Nitrogen-Doped Graphene Quantum Dots/MnCO3/ZnMn2O4 on Ni Foam Composites for High-Performance Supercapacitor Electrodes
by Di Liu, Soeun Kim and Won Mook Choi
Materials 2024, 17(4), 884; https://doi.org/10.3390/ma17040884 - 14 Feb 2024
Viewed by 1106
Abstract
This study reports the facile synthesis of rationally designed composite materials consisting of nitrogen-doped graphene quantum dots (N-GQDs) and MnCO3/ZnMn2O4 (N/MC/ZM) on Ni foam using a simple hydrothermal method to produce high-performance supercapacitor applications. The N/MC/ZM composite was [...] Read more.
This study reports the facile synthesis of rationally designed composite materials consisting of nitrogen-doped graphene quantum dots (N-GQDs) and MnCO3/ZnMn2O4 (N/MC/ZM) on Ni foam using a simple hydrothermal method to produce high-performance supercapacitor applications. The N/MC/ZM composite was uniformly synthesized on a Ni foam surface with the hierarchical structure of microparticles and nanosheets, and the uniform deposition of N-GQDs on a MC/ZM surface was observed. The incorporation of N-GQDs with MC/ZM provides good conductivity, charge transfer, and electrolyte diffusion for a better electrochemical performance. The N/MC/ZM composite electrode delivered a high specific capacitance of 960.6 F·g−1 at 1 A·g−1, low internal resistance, and remarkable cycling stability over 10,000 charge–discharge cycles. Additionally, an all-flexible solid-state asymmetric supercapacitor (ASC) device was fabricated using the N/MC/ZM composite electrode. The fabricated ASC device produced a maximum energy density of 58.4 Wh·kg−1 at a power density of 800 W·kg−1 and showed a stable capacitive performance while being bent, with good mechanical stability. These results provide a promising and effective strategy for developing supercapacitor electrodes with a high areal capacitance and high energy density. Full article
(This article belongs to the Special Issue Advanced Electrode Materials and Novel Device Designs for Supercapacitors)
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