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Advanced Materials for Solid-State Batteries: Chemistry and Applications
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Advanced Materials for Solid-State Batteries: Chemistry and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (20 May 2026) | Viewed by 1541

Editor

Dr. Yunling Wu

E-Mail Website
Guest Editor
School of Energy Science and Engineering, Nanjing Tech University, Nanjing 211816, China
Interests: alkali metal-ion battery; multivalent ion battery; metal–sulfur battery; organic electrode materials

Special Issue Information

Dear Colleagues,

This Special Issue, “Advanced Materials for Solid-State Batteries: Chemistry and Applications”, aims to highlight the latest advancements in materials science that are driving innovations in solid-state battery technology. Solid-state batteries, featuring solid electrolytes, offer enhanced safety, energy density, and longevity compared to traditional liquid electrolyte systems. This Special Issue will cover a broad range of topics related to the chemistry, design, and application of advanced materials for solid-state batteries, including novel solid electrolytes, electrode materials, interface engineering, and their impact on battery performance.

We welcome submissions that explore the following:

  • Innovative materials for solid electrolytes and electrodes;
  • Interface stability and conductivity improvements;
  • Advanced fabrication techniques and battery architectures;
  • Theoretical and computational studies on material behavior in solid-state batteries;
  • Performance evaluations in real-world applications.

As Guest Editors of the journal Materials, we would like to invite you to submit a research article, a review paper, or a case report to this Special Issue “Advanced Materials for Solid-State Batteries: Chemistry and Applications”.

Dr. Yunling Wu
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 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. Materials 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 2600 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

  • solid-state batteries
  • inorganic materials
  • organic electrode materials
  • interface
  • conductivity
  • fabrication techniques
  • theoretical and computational studies

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Published Papers (2 papers)

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Research

14 pages, 3739 KB  
Article
High-Conductivity Solid-State Electrolytes Through Low-Temperature Hot-Pressing of LCBA/LATP Composites
by Wookyung Lee, Jaeseung Choi, Jungkeun Ahn, Hanbyul Lee, Byungwook Kim, Youngsoo Seo and Changbun Yoon
Materials 2026, 19(10), 2033; https://doi.org/10.3390/ma19102033 - 13 May 2026
Viewed by 476
Abstract
Solid-state electrolytes (SSEs) are essential for achieving long-term stability and fast-charging performance in secondary batteries. Although Li1.3Al0.3Ti1.7(PO4)3 (LATP) offers high ionic conductivity, its practical application is restricted by high-temperature sintering requirements and interfacial reduction [...] Read more.
Solid-state electrolytes (SSEs) are essential for achieving long-term stability and fast-charging performance in secondary batteries. Although Li1.3Al0.3Ti1.7(PO4)3 (LATP) offers high ionic conductivity, its practical application is restricted by high-temperature sintering requirements and interfacial reduction at the lithium anode. In contrast, Li-based oxide electrolytes can be sintered below 600 °C, offering improved compatibility with conventional electrodes such as graphite and silicon. In this study, a Li2O–LiCl–B2O3–Al2O3 (LCBA)/LATP composite SSE was fabricated via hot-press co-sintering at 600 °C. Composites with LCBA:LATP weight ratios of 8:2, 7:3, 6:4, 5:5, 3:7, and 2:8 were prepared to identify the optimal composition. The 3:7 composite achieved a sintered density of 2.40 g/cm3 and an ionic conductivity of 2.5 × 10−4 S/cm. Phase evolution and sintering behavior were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Compared to single-phase LCBA or LATP, the composite electrolyte exhibited improved interfacial stability and lower interfacial resistance against lithium metal. Full article
(This article belongs to the Special Issue Advanced Materials for Solid-State Batteries: Chemistry and Applications)
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20 pages, 6695 KB  
Article
Exploiting Exchange-Correlation Functionals’ Performance for Structure and Property Prediction of the NaAlP2O7 Solid Electrolyte Material
by Mashaole Stuart Mamabolo, Donald Hlungwani, Kemeridge Tumelo Malatji, Phuti Esrom Ngoepe and Raesibe Sylvia Ledwaba
Materials 2026, 19(9), 1673; https://doi.org/10.3390/ma19091673 - 22 Apr 2026
Viewed by 490
Abstract
First-principles calculations based on density functional theory (DFT) are a powerful tool in data-oriented materials research. The choice of approximation for the exchange-correlation functional is crucial, as it strongly affects the accuracy of DFT calculations. This study compares the performance capabilities of three [...] Read more.
First-principles calculations based on density functional theory (DFT) are a powerful tool in data-oriented materials research. The choice of approximation for the exchange-correlation functional is crucial, as it strongly affects the accuracy of DFT calculations. This study compares the performance capabilities of three approximations on the energetics, mechanical and electronic properties, and crystal structure of NaAlP2O7, which is an insulator with a wide band gap that suppresses its electronic conductivity. Two of these approximations are based on Perdew–Burke–Ernzerhof (PBE) generalized gradient approximation (GGA) and the other on the strongly constrained and appropriately normed (SCAN) meta-GGA. We explore these materials as a contribution to the development of new solid electrolytes (SEs) for sodium-ion batteries (NIBs), which have the potential to mitigate challenges related to lifecycle, safety, and low ionic conductivity. The performance of these batteries largely emanates from the extraordinary demand for high-performing energy storage technologies. This study revealed that PBEsol accurately predicted lattice parameters that closely aligned with experimental values. However, r2SCAN provided the most reliable predictions of the structural and electronic properties of the NaAlP2O7 solid electrolyte compared to PBE and PBEsol. Findings demonstrated that the material is structurally, mechanically, electronically, and thermodynamically stable, but exhibits vibrational instability, which may scatter ions and reduce ionic conductivity due to the presence of imaginary frequencies. Our results highlight the importance of selecting appropriate functionals for solid electrolyte DFT computations. The r2SCAN functional appears to be a promising choice for calculating NaAlP2O7 properties. Full article
(This article belongs to the Special Issue Advanced Materials for Solid-State Batteries: Chemistry and Applications)
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