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Batteries
Special Issues
Advanced Solid Electrolyte: From High-Entropy Design to Interface Engineering
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Advanced Solid Electrolyte: From High-Entropy Design to Interface Engineering

A Special Issue of Batteries (ISSN 2313-0105) belonging to the section "Lithium-Ion and Solid-State Batteries".

Deadline for manuscript submissions: 20 December 2026 | Viewed by 481

Editors

Prof. Dr. Yuanpeng Liu

E-Mail Website
Guest Editor
Center for Composite Materials, Harbin Institute of Technology, Harbin, China
Interests: interface mechanics of advanced energy storage materials and devices; AI for science
Dr. Dongjiang Chen

E-Mail Website
Guest Editor
State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
Interests: li-metal batteries; solid electrolytes; electrolyte/electrode interface
Dr. Bowen Zhang

E-Mail Website
Guest Editor
Center for Composite Materials, Harbin Institute of Technology, Harbin, China
Interests: li-metal batteries; solid electrolytes; simulations

Special Issue Information

Dear Colleagues,

Solid electrolytes are key enablers of next-generation all-solid-state batteries, offering improved safety, higher energy density, and longer lifespans. However, challenges remain in achieving fast ionic transport, wide electrochemical stability, strong mechanical properties, and stable electrode interfaces. The purpose of this Special Issue is to provide an overview of the state of the art, to present new research results and to discuss the promising future research directions about advanced Solid Electrolytes.

  • High-entropy solid electrolytes (oxides, sulfides, halides, polymers, hybrids)
  • Ion transport mechanisms, defect chemistry, and structural stability
  • Advanced interface modification and artificial interphases
  • Lithium dendrite suppression strategies
  • Computational, machine-learning, and multiscale modeling approaches
  • In situ/operando characterization of interfaces and ion dynamics
  • Design principles bridging materials innovation and device integration

Prof. Dr. Yuanpeng Liu
Dr. Dongjiang Chen
Dr. Bowen Zhang
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-anonymized 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

  • lithium-ion battery
  • solid electrolytes
  • Lithium dendrite
  • multiscale modeling
  • interface modification
  • interfacial design

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Published Papers (1 paper)

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Review

45 pages, 5264 KB  
Review
Carbon-Fiber Structural Batteries: From Multifunctional Integration to Retained Reliability
by Tianhao Zhao, Lei Liu, Liwei Hao, Xudong Duan, Botao Yuan, Zhimin Xie and Yuanpeng Liu
Batteries 2026, 12(9), 351; https://doi.org/10.3390/batteries12090351 - 9 Sep 2026
Abstract
Carbon-fiber structural batteries represent a class of multifunctional energy-storage systems that integrate electrochemical energy storage with mechanical load-bearing capability. Unlike conventional batteries, which are mainly evaluated based on cell-level energy density, structural batteries provide new opportunities for system-level weight reduction by reducing inactive [...] Read more.
Carbon-fiber structural batteries represent a class of multifunctional energy-storage systems that integrate electrochemical energy storage with mechanical load-bearing capability. Unlike conventional batteries, which are mainly evaluated based on cell-level energy density, structural batteries provide new opportunities for system-level weight reduction by reducing inactive structural mass, improving space utilization, and enabling distributed energy storage within integrated structures. In recent years, substantial progress has been achieved in carbon-fiber electrodes, structural electrolytes, laminated devices, electrolyte topology engineering, and fully carbon-fiber structural batteries. Nevertheless, most reported advances have been demonstrated under relatively ideal static testing conditions, while maintaining multifunctional performance under manufacturing and long-term service conditions remains a critical challenge. This review systematically examines the development of carbon-fiber structural batteries from a reliability perspective. First, the system-level motivations and technological evolution are introduced, and existing architectures are categorized according to their integration depth and degree of multifunctional coupling. Carbon-fiber electrodes are then discussed with emphasis on balancing capacity, ion transport, cycling stability, mechanical property retention, interfacial robustness, and manufacturing scalability. Furthermore, structural electrolytes are reviewed from the viewpoint of topology-enabled regulation of ion transport and load transfer, with particular focus on the intrinsic trade-off between ionic conductivity and mechanical modulus. In addition, manufacturing routes and device architectures are analyzed from the perspective of multifunctionality-degrading defects, including voids, dry regions, coating cracks, weak interfaces, and current-collector discontinuities. Finally, retained multifunctionality is used as a reliability-oriented evaluation criterion to examine the preservation of electrochemical, mechanical, interfacial, and safety functions, with particular emphasis on the carbon-fiber-specific failure chain linking interfacial and manufacturing heterogeneities to multifunctionality-degrading defects, coupled-field localization, and damage propagation. This review emphasizes that reliable carbon-fiber structural batteries require application-specific and coordinated optimization of materials, interfaces, electrolyte topology, coupled degradation behavior, and validation protocols. Full article
(This article belongs to the Special Issue Advanced Solid Electrolyte: From High-Entropy Design to Interface Engineering)
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