A New Look at the Stability of Dimethyl Sulfoxide and Acetonitrile in Li-O2 Batteries

Reza Younesi, Poul Norby, Tejs Vegge

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Dimethyl sulfoxide (DMSO) and acetonitrile (MeCN) have recently been highlighted as promising electrolyte solvents for Li-O2 batteries. Possible reactions between these two solvents and Li2O2 are here discussed using X-ray photoelectron spectroscopy to analyze surface of the Li2O2 powder after direct contact with the solvents for different times of exposure. The results indicated that Li2O2 decomposes DMSO solvents, whereas no indication of degradation of MeCN by Li2O2 was observed.
© 2014 The Electrochemical Society.
Original languageEnglish
JournalE C S Electrochemistry Letters
Pages (from-to)A15-A18
Publication statusPublished - 2014
Event224th Electrochemical Society Meeting - The Hilton San Francisco Hotel, San Francisco, CA, United States
Duration: 27 Oct 20131 Nov 2013
Conference number: 224


Conference224th Electrochemical Society Meeting
LocationThe Hilton San Francisco Hotel
Country/TerritoryUnited States
CitySan Francisco, CA
Internet address


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