Triethyl 2-(1,3-oxazolidin-3-yl)ethyl orthosilicate as a new type electrolyte additive for lithium-ion batteries with graphite anodes

Triethyl 2-(1,3-oxazolidin-3-yl)ethyl orthosilicate (OZOS) has been studied as an additive to the 1 M LiPF 6/EC:EMC:DMC:PC (3:6:1:1) electrolyte of lithium-ion battery with graphite anode by cyclic voltammetry and chronopotentiometry. The above additive in amounts of 0.25, 0.5, and 1.0 wt.% increase...

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Veröffentlicht in:	Journal of power sources 2005-09, Vol.147 (1), p.260-263
Hauptverfasser:	Trofimov, B.A., Myachina, G.F., Oparina, L.A., Korzhova, S.A., Gusarova, N.K., Doo, S.G., Cho, M.D., Kim, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Additive Graphite anode Lithium-ion battery Solid electrolyte interphase (SEI) Triethyl 2-(1,3-oxazolidin-3-yl)ethyl orthosilicate
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Beschreibung
Zusammenfassung:	Triethyl 2-(1,3-oxazolidin-3-yl)ethyl orthosilicate (OZOS) has been studied as an additive to the 1 M LiPF 6/EC:EMC:DMC:PC (3:6:1:1) electrolyte of lithium-ion battery with graphite anode by cyclic voltammetry and chronopotentiometry. The above additive in amounts of 0.25, 0.5, and 1.0 wt.% increases the first cycle efficiency (ratio of charge to discharge capacity) by 0.4–1.0% as compared to the base electrolyte.
ISSN:	0378-7753 1873-2755
DOI:	10.1016/j.jpowsour.2005.01.015