The Effect of Additives in Room Temperature Molten Salt-based Lithium Battery Electrolytes

Minato Egashira, Toshiyasu Kiyabu, Izumi Watanabe, Shigeto Okada, Jun-ichi Yamaki

Research output: Contribution to journalArticle

Abstract

<p>Several organic solvent electrolytes used in lithium batteries were added to the electrolyte based on 1-ethyl-3-methyl imidazolium tetrafluoroborate (EMIBF<sub>4</sub>) in order to improve the deposition/dissolution behavior of lithium metal. The selected solvents for this purpose were ethylene carbonate (EC), dimethyl carbonate (DMC), and vinylene carbonate (VC). All of the selected electrolytes were effective in improving the reversible lithium deposition/dissolution on a steinless-steel electrode when added in 10 w/o. Among the selected solvents, VC provided the best behavior due to its good film-forming ability on the lithium surface in EMIBF<sub>4</sub>.</p>
Original languageEnglish
Pages (from-to)1114-1116
Number of pages3
JournalElectrochemistry
Volume71
Issue number12
DOIs
Publication statusPublished - Dec 5 2003

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