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In operando X-ray diffraction of lithium-oxygen battery using ionic liquid as electrolyte co-solvent

Abstract

A real-time synchrotron X-ray diffraction technique was applied to study the oxidation/reduction of lithium oxide derivatives in an operating lithium-air battery cell containing a Room Temperature Ionic Liquid (RTIL) in its electrolyte. Four different electrolytes were tested, composed of dimethylsulfoxide (DMSO), a RTIL and lithium perchlorate salt (LiClO4). This study proved that the lithium used as anode material is reacting with the RTIL, forming continuously lithium hydroxide (LiOH), independently of the cycling stage. The comparisons between the different electrolytes provide insights for future investigation on improvement in electrolyte design for this technology.

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Publication details

The article was received on 28 Mar 2017, accepted on 13 Jun 2017 and first published on 13 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ01027C
Citation: New J. Chem., 2017, Accepted Manuscript
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    In operando X-ray diffraction of lithium-oxygen battery using ionic liquid as electrolyte co-solvent

    E. Knipping, C. Aucher, G. Guirado, F. Fauth and L. Aubouy, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01027C

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