Methyl propyl carbonate: A promising single solvent for Li-ion battery electrolytes

Yair Ein-Eli, Stephen F. McDevitt, Doron Aurbach, Boris Markovsky, Alexander Schechter

Research output: Contribution to journalArticlepeer-review

84 Scopus citations


Methyl propyl carbonate (MPC) solutions containing Li salts can be used as a single-solvent electrolyte without addition of ethylene carbonate (EC). Graphite electrodes can be cycled at high reversible capacity in MPC solutions containing LiPF6 and LiAsF6. The use of acyclic, unsymmetric alkyl carbonate solvents, such as ethyl methyl carbonate (EMC) and MPC in Li-ion based electrolytes, increases the stability of the graphite electrode. Whereas a small amount of EC is still needed as cosolvent in EMC solutions to obtain stable surface films on graphite electrodes, we show here that the surface films produced on graphite in MPC solutions (without added EC) are highly stable, allowing reversible Li-ion intercalation. To understand this trend, we investigated the surface chemistry developed on lithium and carbon electrodes in MPC solutions in conjugation with electrochemical studies.

Original languageEnglish
Pages (from-to)L180-L184
JournalJournal of the Electrochemical Society
Issue number7
StatePublished - Jul 1997
Externally publishedYes


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