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Issue 15, 2017
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In operando X-ray diffraction of lithium–oxygen batteries using an ionic liquid as an electrolyte co-solvent

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Abstract

A real-time synchrotron X-ray diffraction technique is 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 are tested, composed of dimethylsulfoxide (DMSO), a RTIL and lithium perchlorate salt (LiClO4). This study proves that lithium as an anode material reacts with the RTIL, forming lithium hydroxide (LiOH) spontaneously, independently of the cycling stage. Comparisons between different electrolytes provide insights for future investigation of the improvement of electrolyte design of this technology.

Graphical abstract: In operando X-ray diffraction of lithium–oxygen batteries using an ionic liquid as an electrolyte co-solvent

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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., 2017,41, 7267-7272
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    In operando X-ray diffraction of lithium–oxygen batteries using an ionic liquid as an electrolyte co-solvent

    E. Knipping, C. Aucher, G. Guirado, F. Fauth and L. Aubouy, New J. Chem., 2017, 41, 7267
    DOI: 10.1039/C7NJ01027C

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