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Self-Healing Polymers for Advanced Battery Applications

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

Deadline for manuscript submissions: closed (25 May 2026) | Viewed by 1133

Special Issue Editors


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Guest Editor
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: lithium battery solid electrolyte; solid state lithium battery; lithium battery sensing technology

E-Mail Website
Guest Editor
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: polymer functional materials and devices; biobased polyester and its composite materials
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Special Issue Information

Dear Colleagues,

In recent years, self-healing polymers have demonstrated revolutionary potential in the field of key battery materials due to their unique self-repairing properties and dynamic reversible chemical bond mechanisms. This Special Issue focuses on the design strategies, performance characterization, and engineering application breakthroughs of self-healing polymers in batteries. The key areas of interest include (but are not limited to): (1) molecular structure design of self-healing materials for electrode/electrolyte interfaces, (2) development of self-healing binders and solid-state electrolytes with high ionic conductivity and (3) integration applications in lithium metal anodes, silicon-based electrodes, and flexible batteries.

This Special Issue aims to systematically elucidate the core contributions of self-healing polymers in enhancing battery safety, cycle life, and energy density. We sincerely invite experts from both academia and industry to submit original research articles, reviews, and forward-looking opinion papers to jointly advance this interdisciplinary field from mechanistic exploration to commercial application.

Dr. Xiaoli Peng
Dr. Xiaoran Hu
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 250 words) can be sent to the Editorial Office for assessment.

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.

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Keywords

  • self-healing polymers
  • battery materials
  • electrode/electrolyte interfaces
  • polymer binder
  • solid-state electrolyte

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Published Papers (1 paper)

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Research

17 pages, 2548 KB  
Article
High-Performance Solid Polymer Electrolyte Constructed from Long-Chain Regulated Random Copolymers and Porous PI Composites
by Qian Zhang, Mingyang Cao, Chenxia Tang, Yuqing Zhou and Xiaoli Peng
Polymers 2026, 18(6), 685; https://doi.org/10.3390/polym18060685 - 11 Mar 2026
Viewed by 686
Abstract
Solid polymer electrolytes (SPEs) hold great potential in high-safety energy storage but face two key bottlenecks: low room-temperature ionic conductivity and insufficient mechanical strength. This study proposes a synergistic optimization strategy of “long-carbon-chain regulation of polymer microstructure combined with porous polyimide (PI) support”. [...] Read more.
Solid polymer electrolytes (SPEs) hold great potential in high-safety energy storage but face two key bottlenecks: low room-temperature ionic conductivity and insufficient mechanical strength. This study proposes a synergistic optimization strategy of “long-carbon-chain regulation of polymer microstructure combined with porous polyimide (PI) support”. A linear random copolyester, poly(1,3-propylene-co-1,4-butylene succinate-co-sebacate) (PBPSS), was synthesized via melt polycondensation using 1,3-propanediol, 1,4-butanediol, succinic acid, and sebacic acid as monomers. Subsequently, the PBPSS-75 composite electrolyte was prepared with this copolyester as the matrix and porous PI as support. Results show that long-carbon-chain sebacic acid effectively regulates polymer segment flexibility and free volume, synergistically enhancing ionic conductivity and interfacial mechanical stability with lithium metal. Experimental data indicate that PBPSS-75 composite electrolyte exhibits an ionic conductivity of up to 4.25 × 10−5 S cm−1 (30 °C), a lithium-ion transference number of 0.81, and an electrochemical stability window of 4.48 V (vs. Li/Li+). In LiFePO4//Li batteries, it maintains nearly 100% capacity retention after 300 cycles at 0.5 C, and achieves stable cycling for over 800 h in lithium symmetric cells. This study confirms that the combined strategy effectively addresses the conductivity-mechanical property trade-off of SPEs, providing theoretical guidance and technical reference for high-performance solid-state battery material design. Full article
(This article belongs to the Special Issue Self-Healing Polymers for Advanced Battery Applications)
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