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Batteries
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High-Performance Supercapacitor
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High-Performance Supercapacitor

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Modelling, Simulation, Management and Application".

Deadline for manuscript submissions: closed (25 April 2024) | Viewed by 11489

Special Issue Editors

Dr. Balaraman Vedhanarayanan

E-Mail Website
Guest Editor
Department of Applied Chemistry and Biotechnology, Chiba University, Chiba City 263-8522, Japan
Interests: supramolecular chemistry; redox-active polymers; aqueous batteries; organic-inorganic hybrid materials; hybrid supercapacitors; hydrogen and oxygen evolution reactions; electrochemical ammonia synthesis; all-organic energy storage devices; superhydrophobic coatings
Dr. K. C. Seetha Lakshmi

E-Mail Website
Guest Editor
Department of Chemistry, Faculty of Science, Chiba University, Chiba City 263-8522, Japan
Interests: organic polymers; energy storage devices; electrocatalysis; functional hybrid materials; battery–supercapacitor hybrids; organic catalysis

Special Issue Information

Dear Colleagues,

The increased concern regarding the depletion of fossil fuels and the emanation of greenhouse gases necessitates the advancements of energy storage devices for the effective utilization of renewable energy sources. In this scenario, high-performance energy storage devices (batteries and supercapacitors) are the best candidates to tackle the present and future energy crises. Although supercapacitors deliver less specific energy than batteries, they are unavoidable in practical applications, especially in hybrid electric vehicles and electronic gadgets.

Unprecedented strategies need to be developed to boost the specific energy of supercapacitors. The main focus should be centered on their important components, namely, active electrode materials, separators, and electrolytes. Further, an in-depth understanding of electrode kinetics and the various factors influencing their overall performance is crucial to achieving a higher efficiency of energy storage and its utilization. With this in mind, this Special Issue is designed to compile recent advancements in the field of high-performance supercapacitors for next-generation energy applications.

Potential topics include but are not limited to:

  • Design of novel electrode materials;
  • Aqueous, non-aqueous, hybrid, and polymer electrolyte systems;
  • Polymer membrane separators;
  • Supercapacitor–battery hybrid devices;
  • Solid-state supercapacitors;
  • In situ evaluation techniques;
  • Devices fabrication techniques;
  • Electrochemical kinetic studies;
  • Computational investigations.

Dr. Balaraman Vedhanarayanan
Dr. K. C. Seetha Lakshmi
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. Batteries 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 2700 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

  • energy storage
  • composite electrodes
  • high-voltage electrolytes
  • separators
  • electrical double layer
  • pseudocapacitance
  • electrochemical intercalation
  • diffusion-controlled processes
  • surface-controlled processes
  • hybrid supercapacitors

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Published Papers (3 papers)

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Review

45 pages, 9133 KiB  
Review
High-Performance Supercapacitors: A Comprehensive Review on Paradigm Shift of Conventional Energy Storage Devices
by K. C. Seetha Lakshmi and Balaraman Vedhanarayanan
Batteries 2023, 9(4), 202; https://doi.org/10.3390/batteries9040202 - 29 Mar 2023
Cited by 105 | Viewed by 19339
Abstract
The enormous demand for energy due to rapid technological developments pushes mankind to the limits in the exploration of high-performance energy devices. Among the two major energy storage devices (capacitors and batteries), electrochemical capacitors (known as ‘Supercapacitors’) play a crucial role in the [...] Read more.
The enormous demand for energy due to rapid technological developments pushes mankind to the limits in the exploration of high-performance energy devices. Among the two major energy storage devices (capacitors and batteries), electrochemical capacitors (known as ‘Supercapacitors’) play a crucial role in the storage and supply of conserved energy from various sustainable sources. The high power density and the ultra-high cyclic stability are the attractive characteristics of supercapacitors. However, the low energy density is a major downside of them, which is also responsible for the extensive research in this field to help the charge storage capabilities thrive to their limits. Discoveries of electrical double-layer formation, pseudocapacitive and intercalation-type (battery-type) behaviors drastically improved the electrochemical performances of supercapacitors. The introduction of nanostructured active materials (carbon-/metal-/redox-active-polymer/metal-organic/covalent-organic framework-based electrode materials), electrolytes (conventional aqueous and unconventional systems) with superior electrochemical stability and unprecedented device architectures further boosted their charge storage characteristics. In addition, the detailed investigations of the various processes at the electrode–electrolyte interfaces enable us to reinforce the present techniques and the approaches toward high-performance and next-generation supercapacitors. In this review, the fundamental concepts of the supercapacitor device in terms of components, assembly, evaluation, charge storage mechanism, and advanced properties are comprehensively discussed with representative examples. Full article
(This article belongs to the Special Issue High-Performance Supercapacitor)
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40 pages, 9047 KiB  
Review
A Review on Thermal Behaviors and Thermal Management Systems for Supercapacitors
by Wei Zhou, Zhien Liu, Wan Chen, Xianzhong Sun, Maji Luo, Xiaohu Zhang, Chen Li, Yabin An, Shuang Song, Kai Wang and Xiong Zhang
Batteries 2023, 9(2), 128; https://doi.org/10.3390/batteries9020128 - 10 Feb 2023
Cited by 45 | Viewed by 7235
Abstract
As a representative electrochemical energy storage device, supercapacitors (SCs) feature higher energy density than traditional capacitors and better power density and cycle life compared to lithium-ion batteries, which explains why they are extensively applied in the field of energy storage. While the available [...] Read more.
As a representative electrochemical energy storage device, supercapacitors (SCs) feature higher energy density than traditional capacitors and better power density and cycle life compared to lithium-ion batteries, which explains why they are extensively applied in the field of energy storage. While the available reviews are mainly concerned with component materials, state estimation, and industrial applications, there is a shortage of understanding of thermal behaviors and thermal management systems of SCs, which makes this review a timely aide for fulfilling this gap. This review introduces the energy storage mechanisms of SCs, followed by descriptions of current investigations of thermal behaviors. This covers the aspects of heat generation rates for electric double-layer capacitors (EDLCs) and hybrid supercapacitors (HSCs), together with reviewing existing experimental methods to measure and estimate heat generation rates, as well as comparative assessments of multiple heat generation rate models and research on thermal runaway. In addition, there are also overviews of current efforts by researchers in air cooling systems, liquid cooling systems, phase change material cooling systems, and heat pipe cooling systems. Finally, an in-depth discussion is provided regarding the challenges and future work directions for SCs in thermal behaviors and thermal management systems. Full article
(This article belongs to the Special Issue High-Performance Supercapacitor)
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28 pages, 7799 KiB  
Review
Carbon-Based Materials for Supercapacitors: Recent Progress, Challenges and Barriers
by Abdul Ghani Olabi, Qaisar Abbas, Mohammad Ali Abdelkareem, Abdul Hai Alami, Mojtaba Mirzaeian and Enas Taha Sayed
Batteries 2023, 9(1), 19; https://doi.org/10.3390/batteries9010019 - 27 Dec 2022
Cited by 68 | Viewed by 12263
Abstract
Swift developments in electronic devices and future transportation/energy production directions have forced researchers to develop new and contemporary devices with higher power capacities, extended cycle lives, and superior energy densities. Supercapacitors are promising devices with excellent power densities and exceptionally long cycle lives. [...] Read more.
Swift developments in electronic devices and future transportation/energy production directions have forced researchers to develop new and contemporary devices with higher power capacities, extended cycle lives, and superior energy densities. Supercapacitors are promising devices with excellent power densities and exceptionally long cycle lives. However, commercially available supercapacitors, which commonly use high-surface-area carbon-based electrodes and organic solutions as electrolytes, suffer from inferior energy densities due to the limited accessibility of surface area and constrained operating potential window of electrolytes. To address the issue of inferior energy densities, new high-capacity electrode materials and new/state-of-the-art electrolytes, such as ionic liquids, gel polymers, or even solid-state electrolytes, have been developed and evaluated vigorously in recent years. In this brief review, different types of supercapacitors, according to their charge storage mechanisms, have been discussed in detail. Since carbon-based active materials are the key focus of this review, synthesis parameters, such as carbonisation, activation, and functionalisation, which can impact a material’s physiochemical characteristics, ultimately affecting the performance of supercapacitors, are also discussed. Finally, the synthesis and applications of different carbon-based materials, i.e., carbon nanotubes, graphene, and activated carbon, have been reviewed, followed by conclusions and outlook. Full article
(This article belongs to the Special Issue High-Performance Supercapacitor)
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