|Title:||In situ analysis of solid electrolyte interface over si based anodes using diffuse reflectance infrared fourier transform spectroscopy||Authors:||Yohannes Y.B.
|Issue Date:||2017||Journal Volume:||77||Journal Issue:||1||Start page/Pages:||71-76||Source:||ECS Transactions||Abstract:||
In this work the formation and evolution of solid electrolyte interphase (SEI) layer on a Silicon based electrode in electrolytes containing I M LiPF6/EC:MC (12):VC (2 % wt) and 1 M LJPF6/EC:EMC (12):VC (2 % wt) + FEC (10 % wt) was investigated by in-situ DRIFT spectroscopy. Electrolyte without FEC is composed primarily of poly (VC), polycarbonates and lithium carbonate. Incorporation of10%wt FEC results with the formation of poly (VC/FEC), polycarbonates, lithium carbonate species, alkoxy species and aflcyl phosphates. Incorporation of FEC also result with the increase in the formation of poly (VC/FEC). Moreover in the course of d discharging, incorporation of FEC impedes the decomposition of both solvent and salt anion reduction. ? The Electrochemical Society.
|Appears in Collections:||化學工程學系|
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