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Updated: Aug 17, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
Li10GeP2S12 solid electrolytes synthesised via liquid-phase methods
Kazuhiro Hikima1, Kaito Ogawa1, Hirotada Gamo1
1Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi 441-8580, Japan. hikima@ee.tut.ac.jp.
Abstract:
Li10GeP2S12 solid electrolytes for all-solid-state batteries were synthesised through liquid-phase shaking, which is a suspension synthesis method, in 1 d. Additionally, Li10GeP2S12 solid electrolytes were prepared in 7.5 h, which is the fastest synthesis time, through solution synthesis using excess sulfur and a mixed solvent of acetonitrile, tetrahydrofuran, and ethanol. These Li10GeP2S12 solid electrolytes exhibited an ionic conductivity of 1.6 × 10-3 S cm-1, which is the highest ionic conductivity of previous studies of liquid phase synthesis. Therefore, Li10GeP2S12 solid electrolytes with high ionic conductivity can be rapidly synthesised via liquid-phase methods.
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