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Operando Measurement of Solid Electrolyte Interphase Formation at Working Electrode of Li-Ion Battery by Time-Slicing
Hiroyuki Kawaura1, Masashi Harada1, Yasuhito Kondo1
1Toyota Central Research & Development Laboratories, Inc. , 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan.
ACS Applied Materials & Interfaces
|April 1, 2016
Abstract:
We report the first operando measurement of solid electrolyte interphase (SEI) formation at an electrode using in situ neutron reflectometry. The results revealed the growth of the SEI and intercalation of ions during the charge reaction. Furthermore, we propose a way of evaluating the charge used for the SEI formation.
Keywords:
charge reactionin situ neutron reflectometrylithium intercalationlithium-ion batteryoperando measurementsolid electrolyte interphasethin-film electrode
