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Polymers
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Utilizing Polymers for the Construction of Lithium-Ion Battery
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Utilizing Polymers for the Construction of Lithium-Ion Battery

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 3770

Special Issue Editor

Prof. Dr. Qianqian Jiang

E-Mail Website
Guest Editor
Materials Science and Engineering, Qingdao University, Qingdao 206000, China
Interests: lithium-battery-related materials; electrocatalytic materials; functional nanomaterials; two-dimensional materials; black phosphorus composite materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Because of their high energy density and environmentally friendly characteristics, lithium-ion batteries have good development prospects in electrochemical energy storage technology. The excellent performance of lithium-ion batteries can be largely attributed to their electrolytes. However, because liquid electrolytes often leak when used, polymer electrolytes (PEs) have emerged as alternatives in this field. PEs can be divided into solid polymer electrolytes (SPEs) and gel polymer electrolytes (GPEs). Both have the advantages of high safety, good processing performance, good mechanical strength, and high energy density.

Recognizing the importance of PEs in lithium-ion batteries, this Special Issue invites the submission of articles on the advantages and disadvantages of polymer substrates in the construction of lithium-ion batteries, as well as the state of the art in polymer research and their development prospects. For example, we will highlight the development of the matrix of PEs, which comprises polyethylene oxide (PEO) or polyacrylonitrile (PAN) and lithium perchlorate (LiClO4). We also hope to deepen the understanding of the similarities and difference of various electrolytes, proposing mechanisms to guide further in-depth experimental, computational and practical joint research.  Original theoretical or simulation work and review articles on any other topics regarding entanglement in polymer electrolytes are welcome.

Prof. Dr. Qianqian Jiang
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. 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

  • lithium-ion battery
  • polymer material
  • cathode material
  • functional materials
  • 2D material
  • electrocatalysis
  • photocatalysis

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Published Papers (2 papers)

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Research

15 pages, 4165 KiB  
Article
Synthesis and Redox Activity of Polyenaminones for Sustainable Energy Storage Applications
by Tomaž Kotnik, Svit Menart, Žan Adam, Jan Bitenc, Luka Ciber, Uroš Grošelj, Nejc Petek, Bogdan Štefane, Jurij Svete and Boštjan Genorio
Polymers 2024, 16(19), 2700; https://doi.org/10.3390/polym16192700 - 24 Sep 2024
Cited by 1 | Viewed by 1332
Abstract
In the search for novel polymeric molecules that could be used as electroactive materials, seven novel polyenaminones were prepared in high yields by the transaminative polymerization of resorcinol-derived bis-enaminones with m- and p-phenylenediamine and with 2,5-diaminohydroquinone. The obtained polymers show very [...] Read more.
In the search for novel polymeric molecules that could be used as electroactive materials, seven novel polyenaminones were prepared in high yields by the transaminative polymerization of resorcinol-derived bis-enaminones with m- and p-phenylenediamine and with 2,5-diaminohydroquinone. The obtained polymers show very low solubility in organic solvents and absorb UV light and visible light at wavelengths below 500 nm. All the obtained polymeric products were tested for redox activity in a Li battery setup. The 2,5-diaminohydroquinone-derived compound showed the best redox activity, with a maximum capacity of 86 mAh/g and relatively good capacity retention, thus confirming the hydroquinone group as the primary redox-active group. Other potential redox-active groups, such as resorcinol and conjugated carbonyls, showed limited activity, while variations in the phenylene groups and the substitution of phenolic groups in the resorcinol residue did not impact the electrochemical activity of the polymers. Their electrochemical properties, together with their previously established chemical recyclability, make polyenaminones promising scaffolds for the development of materials for sustainable energy storage applications. Full article
(This article belongs to the Special Issue Utilizing Polymers for the Construction of Lithium-Ion Battery)
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14 pages, 5066 KiB  
Article
Research on the Thermal Aging Performance of a GAP-Based Polyurethane Elastomer
by Chang Liu, Fengdan Zhu, Desheng Yang, Chaofei Bai, Xiaoqing Wang, Guoping Li and Yunjun Luo
Polymers 2024, 16(6), 795; https://doi.org/10.3390/polym16060795 - 13 Mar 2024
Cited by 5 | Viewed by 1851
Abstract
Glycidyl azide polymer (GAP)-based polyurethane is an ideal elastomeric matrix for high-energy, low-smoke, and insensitive solid propellants. As the skeleton structure of GAP propellants, changes in the structure and properties of GAP elastomers during aging lead to the deterioration of propellant performance (especially [...] Read more.
Glycidyl azide polymer (GAP)-based polyurethane is an ideal elastomeric matrix for high-energy, low-smoke, and insensitive solid propellants. As the skeleton structure of GAP propellants, changes in the structure and properties of GAP elastomers during aging lead to the deterioration of propellant performance (especially in relation to mechanical properties), which causes safety risks. A high-temperature-accelerated aging experiment (70 °C) on a GAP elastomer was conducted. The evolution of the microstructure of the GAP elastomer system was analyzed by Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (NMR), and variations in the macroscopic properties were analyzed by the hardness test and the uniaxial tensile test. The experimental results showed that thermal aging of the GAP elastomer is a coupled process of multiple chemical reactions. The azide groups, urethane groups, and ether bonds were the weak links in the network structure, breaking during the aging process, and the crosslinking density rose and then decreased. Macroscopic properties also showed segmented changes. The aging process was divided into three stages: post-curing (stage one); when the crosslinked network began to break (stage two), and when the crosslinked network was destroyed (stage three). Changes in the microstructure and macroscopic properties were consistent. This work is of great significance for exploring the aging mechanism of GAP propellants and extending their storage life. Full article
(This article belongs to the Special Issue Utilizing Polymers for the Construction of Lithium-Ion Battery)
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