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Polymers
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Electrochemical-Storage Technology with Polymer Science
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Electrochemical-Storage Technology with Polymer Science

A topical collection in Polymers (ISSN 2073-4360). This collection belongs to the section "Polymer Applications".

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Editors

Dr. Sheng-Heng Chung

E-Mail Website
Collection Editor
Department of Materials Science and Engineering, National Cheng Kung University, No.1, University Road, Tainan City, Taiwan
Interests: energy storage technology; green chemistry; electrochemistry; energy materials; lithium-ion batteries; lithium-sulfur batteries
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Il Tae Kim

E-Mail Website
Collection Editor
Department of Chemical & Biological Engineering, Gachon University, Seongnam 13120, Republic of Korea
Interests: secondary batteries; fuel cells; electrode materials; smart binder; electrolytes
Special Issues, Collections and Topics in MDPI journals

Topical Collection Information

Dear Colleagues,

The global growing demand for electric vehicles and large-scale energy storage has shed light on the significant challenge of energy storage technology with high energy density, long durability, and low cost. In the hope that advanced energy storage materials and devices can be achieved, polymers’ broad selections and wide functions have attracted increasing attention and are currently playing key roles in exploring new energy storage materials, function additives, and device components. The relative analysis and fabrication technologies in polymer science further create an in-depth study in investigating and understanding the relationship between material characteristics, analysis methods, and electrochemical performance. Accordingly, this Topical Collection of Polymers aims to broaden and deepen the scientific and technological knowledge with the most recent advances in the preparation, performance, and application of energy storage polymeric materials.

The purpose of this Topical Collection is to publish high-quality research papers and review articles focused on various aspects of polymer science in energy storage application. Potential topics include but are not limited to:

  • Progresses in polymers in rechargeable lithium-ion batteries;
  • Development of polymers for next-generation rechargeable batteries;
  • Characterization on polymer characteristics in energy storage devices and materials;
  • Fabrication, design, and optimization of polymer materials and application for energy storage technology.

Dr. Sheng-Heng Chung
Prof. Dr. Il Tae Kim
Collection 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 collection 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. Polymers 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 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

  • polymer science
  • energy storage technology
  • electrochemistry
  • energy density
  • power density
  • batteries
  • supercapacitors
  • electrodes
  • electrolytes

Published Papers (3 papers)

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2024

Jump to: 2023

15 pages, 5619 KiB  
Article
Molecular Effects of Li+-Coordinating Binders and Negatively Charged Binders on the Li+ Local Mobility near the Electrolyte/LiFePO4 Cathode Interface within Lithium-Ion Batteries
by Po-Yuan Wang, Tzu-Heng Chiu and Chi-cheng Chiu
Polymers 2024, 16(3), 319; https://doi.org/10.3390/polym16030319 - 24 Jan 2024
Viewed by 654
Abstract
The development of lithium-ion batteries (LIBs) is important in the realm of energy storage. Understanding the intricate effects of binders on the Li+ transport at the cathode/electrolyte interface in LIBs remains a challenge. This study utilized molecular dynamics simulations to compare the [...] Read more.
The development of lithium-ion batteries (LIBs) is important in the realm of energy storage. Understanding the intricate effects of binders on the Li+ transport at the cathode/electrolyte interface in LIBs remains a challenge. This study utilized molecular dynamics simulations to compare the molecular effects of conventional polyvinylidene difluoride (PVDF), Li+-coordinating polyethylene oxide (PEO), and negatively charged polystyrene sulfonate (PSS) binders on local Li+ mobility at the electrolyte/LiFePO4 (LFP) cathode interface. By examining concentration profiles of Li+, three different polymer binders, and anions near Li+-rich LFP and Li+-depleted FePO4 (FP) surfaces, we found a superior performance of the negatively charged PSS on enhancing Li+ distribution near the Li+-depleted FP surface. The radial distribution function and coordination number analyses revealed the potent interactions of PEO and PSS with Li+ disrupting Li+ coordination with electrolyte solvents. Our simulations also revealed the effects of non-uniform binder dispersions on the Li+ local mobility near the cathode surface. The combined results provide a comparative insight into Li+ transport at the electrolyte/cathode interface influenced by distinct binder chemistries, offering a profound understanding of the binder designs for high-performance LIBs. Full article
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2023

Jump to: 2024

12 pages, 2244 KiB  
Article
Electrochemically Stable Rechargeable Lithium–Sulfur Batteries Equipped with an Electrospun Polyacrylonitrile Nanofiber Film
by Li-Ling Chiu and Sheng-Heng Chung
Polymers 2023, 15(6), 1460; https://doi.org/10.3390/polym15061460 - 15 Mar 2023
Cited by 2 | Viewed by 1842
Abstract
The high theoretical charge-storage capacity and energy density of lithium–sulfur batteries make them a promising next-generation energy-storage system. However, liquid polysulfides are highly soluble in the electrolytes used in lithium–sulfur batteries, which results in irreversible loss of their active materials and rapid capacity [...] Read more.
The high theoretical charge-storage capacity and energy density of lithium–sulfur batteries make them a promising next-generation energy-storage system. However, liquid polysulfides are highly soluble in the electrolytes used in lithium–sulfur batteries, which results in irreversible loss of their active materials and rapid capacity degradation. In this study, we adopt the widely applied electrospinning method to fabricate an electrospun polyacrylonitrile film containing non-nanoporous fibers bearing continuous electrolyte tunnels and demonstrate that this serves as an effective separator in lithium–sulfur batteries. This polyacrylonitrile film exhibits high mechanical strength and supports a stable lithium stripping and plating reaction that persists for 1000 h, thereby protecting a lithium-metal electrode. The polyacrylonitrile film also enables a polysulfide cathode to attain high sulfur loadings (4–16 mg cm−2) and superior performance from C/20 to 1C with a long cycle life (200 cycles). The high reaction capability and stability of the polysulfide cathode result from the high polysulfide retention and smooth lithium-ion diffusion of the polyacrylonitrile film, which endows the lithium–sulfur cells with high areal capacities (7.0–8.6 mA·h cm−2) and energy densities (14.7–18.1 mW·h cm−2). Full article
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Graphical abstract

27 pages, 1076 KiB  
Review
Intrinsically Conducting Polymer Composites as Active Masses in Supercapacitors
by Md. Ikram Ul Hoque and Rudolf Holze
Polymers 2023, 15(3), 730; https://doi.org/10.3390/polym15030730 - 31 Jan 2023
Cited by 19 | Viewed by 2304
Abstract
Intrinsically conducting polymers ICPs can be combined with further electrochemically active materials into composites for use as active masses in supercapacitor electrodes. Typical examples are inspected with particular attention to the various roles played by the constituents of the composites and to conceivable [...] Read more.
Intrinsically conducting polymers ICPs can be combined with further electrochemically active materials into composites for use as active masses in supercapacitor electrodes. Typical examples are inspected with particular attention to the various roles played by the constituents of the composites and to conceivable synergistic effects. Stability of composite electrode materials, as an essential property for practical application, is addressed, taking into account the observed causes and effects of materials degradation. Full article
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Figure 1

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