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Oxide-Based All-Solid-State Lithium-Ion Batteries

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

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 8084

Special Issue Editor


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Guest Editor
Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi, Japan
Interests: lithium-ion batteries; all-solid-state batteries; solid Electrolytes; functional ceramic materials; energy storage

Special Issue Information

Dear Colleagues,

Recently, the development of middle- or large-scale lithium-ion batteries has been accelerated for use in automotive propulsion and stationary load-leveling for intermittent power generation from solar or wind energy. However, a larger battery size creates more serious safety issues; one of the main reasons being the increased amount of flammable organic liquid electrolytes.

All-solid-state lithium-ion batteries with a non-flammable inorganic lithium-ion conductor as a solid electrolyte are expected to be one of the next generations of energy storage devices because of their high energy density, high safety, and excellent cycle stability. The solid electrolyte materials should possess not only high conductivity but also chemical stability against electrode materials, air, and moisture. Oxide-based, solid electrolytes have rather lower conductivity and poor plasticity compared to sulfide-based electrolytes, but they have other advantages such as their chemical stability and ease of handling. However, processing for the solid–solid interface between electrode materials and the oxide solid electrolyte still remain challenging issues.

This Special Issue is focused on the present status of R&D related to the materials and processing of oxide-based all-solid-state lithium-ion batteries, including, but not limited to, the following topics:

  • Novel processing for oxide-based solid electrolytes
  • Ionic conducting properties for oxide-solid electrolytes
  • Processing for the interface between electrodes and solid electrolytes
  • Bulk-type solid-state batteries
  • Thin film solid-state batteries
  • Stability of solid electrolytes against electrode materials
  • Challenges in the use of Li metal anodes

All authors with expertise in these topics are cordially invited to submit their manuscripts to Materials. Noteworthy and highly original research papers and review articles covering the current state of the art are welcome.

Prof. Ryoji Inada
Guest Editor

Manuscript Submission Information

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Keywords

  • lithium-ion conductivity
  • electrochemical stability
  • oxide solid electrolyte
  • electrode–electrolyte interface
  • thin film solid-state batteries
  • bulk-type solid-state batteries

Published Papers (2 papers)

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Research

11 pages, 3822 KiB  
Article
Synthesis and Na+ Ion Conductivity of Stoichiometric Na3Zr2Si2PO12 by Liquid-Phase Sintering with NaPO3 Glass
by Yongzheng Ji, Tsuyoshi Honma and Takayuki Komatsu
Materials 2021, 14(14), 3790; https://doi.org/10.3390/ma14143790 - 6 Jul 2021
Cited by 25 | Viewed by 3055
Abstract
Sodium super ionic conductor (NASICON)-type Na3Zr2Si2PO12 (NZSP) with the advantages of the high ionic conductivity, stability and safety is one of the most famous solid-state electrolytes. NZSP, however, requires the high sintering temperature about 1200 °C [...] Read more.
Sodium super ionic conductor (NASICON)-type Na3Zr2Si2PO12 (NZSP) with the advantages of the high ionic conductivity, stability and safety is one of the most famous solid-state electrolytes. NZSP, however, requires the high sintering temperature about 1200 °C and long sintering time in the conventional solid-state reaction (SSR) method. In this study, the liquid-phase sintering (LPS) method was applied to synthesize NZSP with the use of NaPO3 glass with a low glass transition temperature of 292 °C. The formation of NZSP was confirmed by X-ray diffraction analyses in the samples obtained by the LPS method for the mixture of Na2ZrSi2O7, ZrO2, and NaPO3 glass. The sample sintered at 1000 °C for 10 h exhibited a higher Na+ ion conductivity of 1.81 mS/cm at 100 °C and a lower activation energy of 0.18 eV compared with the samples prepared by the SSR method. It is proposed that a new LPE method is effective for the synthesis of NZSP and the NaPO3 glass has a great contribution to the Na+ diffusion at the grain boundaries. Full article
(This article belongs to the Special Issue Oxide-Based All-Solid-State Lithium-Ion Batteries)
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11 pages, 3767 KiB  
Article
Rhombohedral Li1+xYxZr2-x(PO4)3 Solid Electrolyte Prepared by Hot-Pressing for All-Solid-State Li-Metal Batteries
by Qinghui Li, Chang Xu, Bing Huang and Xin Yin
Materials 2020, 13(7), 1719; https://doi.org/10.3390/ma13071719 - 6 Apr 2020
Cited by 13 | Viewed by 3297
Abstract
NASICON-type solid electrolytes with excellent stability in moisture are promising in all-solid-state batteries and redox flow batteries. However, NASIOCN LiZr2(PO4)3 (LZP), which is more stable with lithium metal than the commercial Li1.3Al0.3Ti1.7(PO [...] Read more.
NASICON-type solid electrolytes with excellent stability in moisture are promising in all-solid-state batteries and redox flow batteries. However, NASIOCN LiZr2(PO4)3 (LZP), which is more stable with lithium metal than the commercial Li1.3Al0.3Ti1.7(PO4)3, exhibits a low Li-ion conductivity of 10−6 S cm−1 because the fast conducting rhombohedral phase only exists above 50 °C. In this paper, the high-ionic conductive rhombohedral phase is stabilized by Y3+ doping at room temperature, and the hot-pressing technique is employed to further improve the density of the pellet. The dense Li1.1Y0.1Zr1.9(PO4)3 pellet prepared by hot-pressing shows a high Li-ion conductivity of 9 × 10−5 S cm−1, which is two orders of magnitude higher than that of LiZr2(PO4)3. The in-situ formed Li3P layer on the surface of Li1.1Y0.1Zr1.9(PO4)3 after contact with the lithium metal increases the wettability of the pellet by the metallic lithium anode. Moreover, the Li1.1Y0.1Zr1.9(PO4)3 pellet shows a relatively small interfacial resistance in symmetric Li/Li and all-solid-state Li-metal cells, providing these cells a small overpotential and a long cycling life. Full article
(This article belongs to the Special Issue Oxide-Based All-Solid-State Lithium-Ion Batteries)
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