Ethylene Sulfite as Electrolyte Additive for Lithium‐Ion Cells with Graphitic Anodes
- 1 February 1999
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 146 (2) , 470-472
- https://doi.org/10.1149/1.1391630
Abstract
A liquid organic electrolyte system for lithium‐ion cells with graphitic anodes containing the solvents ethylene sulfite (ES) and propylene carbonate (PC) has been studied. Even in additive amounts (5 vol %) ES is suppressing cointercalation of PC into graphite. The PC-ES electrolytes are characterized by a high oxidation stability allowing the cycling of a cathode with good reversibility. Moreover, the good low temperature performance compared to ethylene carbonate‐dimethyl carbonate electrolytes may favor PC-ES electrolytes for special applications. © 1999 The Electrochemical Society. All rights reserved.Keywords
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