Electrolytes for Solid State Batteries—2nd Edition

Special Issue Editors

Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
Interests: the common lithium ion batteries (based on silicon, tin and carbon anodes); the lithium metal batteries (focus on lithium anode side, especially the electrochemically generated lithium dendrites); lithium sulfur and lithium oxygen batteries (focus on lithium side, especially the link between cell performance and Li anode decay); all-solid-state-batteries Li-S cells assembled with solid sulfide electrolyte and all solid state sodium cells
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Guest Editor
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
Interests: solid-state lithium-sulfur batteries; sulfide solid electrolyte; sodium-ion batteries; supercapacitors

Special Issue Information

Dear Colleagues,

As a next-generation energy storage device, solid-state batteries offer great promise with a higher energy density, reduced cost, wider operating temperature range, and improved safety for the applications of electronic devices, electrical vehicles, and smart grids. As the most critical component, electrolytes for solid-state batteries, including solid polymer electrolytes, inorganic solid electrolytes (such as oxides, sulfides, halides, and so on), and their combinations, are developed. Nevertheless, there are still grand challenges relevant to these solid electrolytes that discourage their practical applications, such as the limited types and low ionic conductivity of solid-state electrolytes, high charge-transfer impedance, interfacial issues, and dendrite growth.

We are therefore organizing a Special Issue on Electrolytes for Solid-State Batteries in Batteries (ISSN: 2313-0105, and more details can be found at: https://www.mdpi.com/journal/batteries). This Special Issue will present papers addressing the original and innovative areas as well as reviews and opinion pieces relevant to electrolytes and electrolyte surfaces for all kinds of solid-state batteries.

Potential topics include (but are not limited to):

  • Quasi/all-solid polymer electrolytes;
  • Inorganic solid electrolytes  (such as oxides, sulfides, halides and so on);
  • Hybrid solid electrolytes;
  • Eutectogel electrolyte;
  • In situ fabricated solid-state electrolyte;
  • Interfacial design and evolution;
  • Ion-conductive mechanism;
  • Solid state batteries (such as lithium, sodium, … );
  • Safety evaluation;
  • Characterization techniques and theoretical computation/simulation of electrolyte and batteries;
  • Materials Genome Initiative, Artificial intelligence (AI) and Machine learning (ML) of solid electrolytes and batteries.

In view of your international standing as a research scientist, we cordially invite you and your colleagues to contribute a manuscript. 

Dr. Fu Sun
Dr. Dengfeng Yu
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 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. 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

  • quasi/all-solid polymer
  • electrolytes
  • inorganic solid electrolytes (such as oxides, sulfides, halides, etc.)
  • hybrid solid electrolytes
  • eutectogel electrolytes
  • in situ fabricated solid-state electrolytes
  • interfacial design and evolution
  • ion-conductive mechanisms
  • solid state batteries (such as lithium, sodium, etc.)
  • safety evaluation characterization techniques and theoretical computations/simulations of electrolytes and batteries
  • materials genome initiative
  • artificial intelligence (AI)
  • machine learning (ML) of solid electrolytes and batteries

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Related Special Issue

Published Papers (2 papers)

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Research

10 pages, 6285 KiB  
Article
Si3N4-Assisted Densification Sintering of Na3Zr2Si2PO12 Ceramic Electrolyte toward Solid-State Sodium Metal Batteries
by Wenwen Sun, Yang Li, Chen Sun, Zheng Sun, Haibo Jin and Yongjie Zhao
Batteries 2024, 10(10), 359; https://doi.org/10.3390/batteries10100359 - 11 Oct 2024
Viewed by 552
Abstract
The solid-state metal battery with solid-state electrolytes has been considered the next generation of energy storage technology owing to its superior safety and high energy density. But, unfavorable ionic conductivity and interfacial problems make it difficult to widely use in practice. In this [...] Read more.
The solid-state metal battery with solid-state electrolytes has been considered the next generation of energy storage technology owing to its superior safety and high energy density. But, unfavorable ionic conductivity and interfacial problems make it difficult to widely use in practice. In this work, Si3N4 was rationally introduced into the NASICON matrix as a sintering aid, and the influence of Si3N4 on the crystal phase, microstructure, electrochemical and electrical performance of Na3Zr2Si2PO12 (NZSP) ceramic was systematically studied. The results demonstrate that the introduction of Si3N4 can effectively lower the densification sintering temperature of Na3Zr2Si2PO12 electrolyte and enhance the room temperature ionic conductivity of the NZSP to 3.82 × 10−4 S cm−1. In addition, since Si3N4 has a high thermal conductivity and can inhibit the transmission of electrons between the grains of the electrolyte matrix, it will effectively hinder the generation of sodium metal dendrites and relieve the concentration of the heat source. Moreover, owing to the desirable interface compatibility of the Na and NZSP-Si3N4 electrolyte, the Na/NZSP-1150-1%Si3N4/Na symmetric battery exhibits excellent stability, and the electrode/electrolyte interface still maintains good integrity even after long-term cycling. The assembled Na/NZSP-1150-1%Si3N4/Na3.5V0.5Mn0.5Fe0.5Ti0.5(PO4)3 cell manifests an initial specific capacity of 152.5 mA h g−1, together with an initial Coulombic efficiency of 99.8%. Furthermore, after 200 cycles, the battery displays a capacity retention rate of 82%. Full article
(This article belongs to the Special Issue Electrolytes for Solid State Batteries—2nd Edition)
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13 pages, 5888 KiB  
Article
Operando Fabricated Quasi-Solid-State Electrolyte Hinders Polysulfide Shuttles in an Advanced Li-S Battery
by Sayan Das, Krish Naresh Gupta, Austin Choi and Vilas Pol
Batteries 2024, 10(10), 349; https://doi.org/10.3390/batteries10100349 - 1 Oct 2024
Viewed by 1034
Abstract
Lithium-sulfur (Li-S) batteries are a promising option for energy storage due to their theoretical high energy density and the use of abundant, low-cost sulfur cathodes. Nevertheless, several obstacles remain, including the dissolution of lithium polysulfides (LiPS) into the electrolyte and a restricted operational [...] Read more.
Lithium-sulfur (Li-S) batteries are a promising option for energy storage due to their theoretical high energy density and the use of abundant, low-cost sulfur cathodes. Nevertheless, several obstacles remain, including the dissolution of lithium polysulfides (LiPS) into the electrolyte and a restricted operational temperature range. This manuscript presents a promising approach to addressing these challenges. The manuscript describes a straightforward and scalable in situ thermal polymerization method for synthesizing a quasi-solid-state electrolyte (QSE) by gelling pentaerythritol tetraacrylate (PETEA), azobisisobutyronitrile (AIBN), and a dual salt lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and lithium nitrate (LiNO3)-based liquid electrolyte. The resulting freestanding quasi-solid-state electrolyte (QSE) effectively inhibits the polysulfide shuttle effect across a wider temperature range of −25 °C to 45 °C. The electrolyte’s ability to prevent LiPS migration and cluster formation has been corroborated by scanning electron microscopy (SEM) and Raman spectroscopy analyses. The optimized QSE composition appears to act as a physical barrier, thereby significantly improving battery performance. Notably, the capacity retention has been demonstrated to reach 95% after 100 cycles at a 2C rate. Furthermore, the simple and scalable synthesis process paves the way for the potential commercialization of this technology. Full article
(This article belongs to the Special Issue Electrolytes for Solid State Batteries—2nd Edition)
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