High temperature lithium cells using conversion oxide electrodes

Oxidized stainless steel electrodes containing chromium oxides without any conducting additives or binder have been successfully cycled at high temperatures (up to 100 °C) in organic solvent-based electrolytes with high reversibility. Cycling at high temperature results in an enhancement of the capa...

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Bibliographic Details
Published in:Journal of applied electrochemistry 2010-07, Vol.40 (7), p.1365-1370
Main Authors: Mestre-Aizpurua, Francesc, Laruelle, Stéphane, Grugeon, Sylvie, Tarascon, Jean-Marie, Palacín, M. Rosa
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Conversion
Electric cells
Electrochemistry
Electrodes
Industrial Chemistry/Chemical Engineering
Lithium batteries
Original Paper
Oxides
Physical Chemistry
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Summary:Oxidized stainless steel electrodes containing chromium oxides without any conducting additives or binder have been successfully cycled at high temperatures (up to 100 °C) in organic solvent-based electrolytes with high reversibility. Cycling at high temperature results in an enhancement of the capacity at lower voltages, which is maintained upon cycling. After studying different electrolyte candidates, the best results were obtained using lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) dissolved in ethylene carbonate.
ISSN:0021-891X
1572-8838
DOI:10.1007/s10800-010-0103-0