[S4] S4.New Materials Science On Nanoscale Structures and Functions of Crystal Defect Cores, III(2)

[S4.33] In-situ Neutron Reflectometry of the cathode/solid-electrolyte interface of all-solid-state lithium batteries during charge-discharge

*Kotaro ITO¹, Keisuke SHIMIZU², Naoki MATSUI², Kota SUZUKI², Ryoji KANNO², Masaaki HIRAYAMA¹ (1. Tokyo Tech, School of Materials and Chemical Technolgy, 2. Tokyo Tech, Research Center for All-Solid-State Battery)

Keywords:Neutron reflectometry、All-Solid-State Battery、Cathode/Solid-electrolyte interface、in-situ

全固体電池の正極／固体電解質界面を，中性子反射率法を用いて，in-situ観察を行った．初回充電により，界面層の形成が観察され，薄膜電池の高出力特性に寄与している可能性が示唆された．