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Updated: May 8, 2026

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
Published on: December 20, 2016
Quasi-solid electrolytes using a single-cation ionic liquid
Yuta Ito1, Keigo Kubota1, Yuta Maeyoshi1
1Research Institute of Electrochemical Energy, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan. ito.yuta@aist.go.jp.
Abstract:
Proof-of-concept quasi-solid electrolytes (QSEs) combining Li1+x+yAlxTi2-xSiyP3-yO12 and a single-cation ionic liquid (SCIL) composed of lithium bis(fluorosulfonyl)amide and lithium (fluorosulfonyl)(trifluoromethanesulfonyl)amide are demonstrated without inducing concentration gradients. The QSEs exhibited ionic conductivities comparable to the SCIL without high-temperature sintering. These results demonstrate the potential of SCIL-based QSEs as model systems for investigating Li+ transport under concentration-gradient-free conditions in solid-state battery systems.
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