高リチウムイオン伝導体LiGePSを用いた全固体電池の出力特性

概要

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A solid electrolyte, Li10GeP2S12, exhibits a high lithium ionic conductivity of 12 mS/cm at room temperature. Because of its high ionic conductivity, high charge-discharge performance would be expected for the all-solid-state batteries using the Li10GeP2S12 electrolytes. In this study, all-solid-state batteries using Li10GeP2S12, were constructed and their battery performances were examined. The batteries using the Li10GeP2S12 electrolyte showed higher discharge capacities than those with glass electrolyte, 75Li2S·25P2S5, particularly under the high-rate current discharge.