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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.
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Wrodnigg et al. (1999) studied this question.
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