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Synthesis and Characterization of Superionic Conductive Glass and Ceramics
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Synthesis and Characterization of Superionic Conductive Glass and Ceramics

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced and Functional Ceramics and Glasses".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 7655

Special Issue Editor

Prof. Dr. Toshinori Okura

E-Mail Website
Guest Editor
Department of Applied Chemistry, School of Advanced Engineering, Kogakuin University, 2665–1, Nakano, Hachioji, Tokyo 192–0015, Japan
Interests: solid-state electrolytes; solid-state batteries; superionic conductive glass/ceramics; structure and properties of glass/ceramics; crystallization of glass

Special Issue Information

Dear Colleagues,

Rechargeable lithium ion batteries have developed from being the power source for mobile phones and notebook computers to being a large-scale power source for electric vehicles and electric power storage due to the growing interest in energy and environmental problems. However, there is a strong concern about the cost and possible exhaustion of lithium resources. Therefore, a significant shift in attention has been taking place towards new types of rechargeable batteries, such as sodium-based systems that have a low cost. Another important aspect is their potential compatibility with the all-solid-state design, where a solid electrolyte is used to replace the liquid one, leading to a simple battery design, a long lifespan, and excellent safety. The key to the success of the all-solid-state battery design is the challenge of finding solid electrolytes possessing acceptably high ionic conductivities at room temperature.

This Special Issue will focus on and highlight the state of the art of research in superionic conductive glass and ceramics. This Special Issue will also provide comprehensive reviews of excellence in materials and processing.

Prof. Dr. Toshinori Okura
Guest Editor

Manuscript Submission Information

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Keywords

  • solid-state electrolyte
  • solid-state battery
  • lithium ion battery
  • sodium ion battery
  • ionic conductor
  • glass
  • ceramics
  • glass–ceramics
  • composite
  • crystallization.

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Published Papers (2 papers)

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Research

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11 pages, 4480 KiB  
Article
Chemically Driven Ion Exchanging Synthesis of Na5YSi4O12-Based Glass-Ceramic Proton Conductors
by Toshinori Okura, Naoki Matsuoka, Yoshiko Takahashi, Naoya Yoshida and Kimihiro Yamashita
Materials 2023, 16(6), 2155; https://doi.org/10.3390/ma16062155 - 7 Mar 2023
Cited by 1 | Viewed by 1968
Abstract
We have developed 12-membered silica-tetrahedra-ringed Na5YSi4O12-type sodium ion conducting glass-ceramics on the basis of the composition Na3+3x-yR1-xPySi3-yO9 (R: rare earth elements; denoted as Narpsio); especially, the material of [...] Read more.
We have developed 12-membered silica-tetrahedra-ringed Na5YSi4O12-type sodium ion conducting glass-ceramics on the basis of the composition Na3+3x-yR1-xPySi3-yO9 (R: rare earth elements; denoted as Narpsio); especially, the material of Na4Y0.6P0.2Si2.8O9 with the combined parameters of (x, y) = (0.4, 0.2) gives rise to the maximum conductivity of 1 × 10−1 Scm−1 at 300 °C. Because glass-ceramics generally have the advantage of structural rigidity and chemical durability over sintered polycrystalline ceramics, the present study employed glass-ceramic Narpsio to perform chemically driven ion exchange of Na+ with protonated water molecules with an aim to produce a proton conductor. The ion exchange was carried out in a hydrochloric acid solution by changing immersion time, temperature, and acid concentration. The ion exchanged Na4Y0.6P0.2Si2.8O9-based glass-ceramics were analyzed by the complex impedance method, and the proton conductivity was found to exhibit 3 × 10−4 Scm−1 at 300 °C with the activation energy of 59 kJ/mol. The dependence of humidity-sensitive conductivity of the ion exchanged bulk glass-ceramics was also examined; the conductivity increased almost linearly from 0.6 × 10−4 Scm−1 in dry air to 1.5 × 10−4 Scm−1 in 75% humid ambience at 300 °C. Thus, the ion exchanged glass-ceramics can be considered to be high temperature proton conductors as well as humidity sensors. Full article
(This article belongs to the Special Issue Synthesis and Characterization of Superionic Conductive Glass and Ceramics)
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Review

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22 pages, 3804 KiB  
Review
Progress and Perspective of Glass-Ceramic Solid-State Electrolytes for Lithium Batteries
by Liyang Lin, Wei Guo, Mengjun Li, Juan Qing, Chuang Cai, Ping Yi, Qibo Deng and Wei Chen
Materials 2023, 16(7), 2655; https://doi.org/10.3390/ma16072655 - 27 Mar 2023
Cited by 10 | Viewed by 4957
Abstract
The all-solid-state lithium battery (ASSLIB) is one of the key points of future lithium battery technology development. Because solid-state electrolytes (SSEs) have higher safety performance than liquid electrolytes, and they can promote the application of Li-metal anodes to endow batteries with higher energy [...] Read more.
The all-solid-state lithium battery (ASSLIB) is one of the key points of future lithium battery technology development. Because solid-state electrolytes (SSEs) have higher safety performance than liquid electrolytes, and they can promote the application of Li-metal anodes to endow batteries with higher energy density. Glass-ceramic SSEs with excellent ionic conductivity and mechanical strength are one of the main focuses of SSE research. In this review paper, we discuss recent advances in the synthesis and characterization of glass-ceramic SSEs. Additionally, some discussions on the interface problems commonly found in glass-ceramic SSEs and their solutions are provided. At the end of this review, some drawbacks of glass-ceramic SSEs are summarized, and future development directions are prospected. We hope that this review paper can help the development of glass-ceramic solid-state electrolytes. Full article
(This article belongs to the Special Issue Synthesis and Characterization of Superionic Conductive Glass and Ceramics)
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