Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 168, Issue 9, Pages -Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1945-7111/ac23a2
Keywords
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Funding
- Thuringer Ministerium fur Wirtschaft, Wissenschaft und Digitale Gesellschaft (TMWWDG) [2018 FGR 0092]
- Thuringer Aufbau Bank (TAB) [2018 FGR 0092]
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This study confirms that glyoxylic-acetal-based electrolytes are promising solvents for the realization of safe and high-performance energy storage devices. The use of these alternative electrolytes improves the stability of hard carbon electrodes compared to conventional organic-carbonate-based formulations.
In this work, we report for the first time an investigation about the use of electrolytes based on 1,1,2,2-tetramethoxyethane (tetramethoxyglyoxal, TMG) and 1,1,2,2-tetraethoxyethane (tetraethoxyglyoxal, TEG) in combination with amorphous carbon materials. We showed that at room temperature the performance of soft and hard carbon electrodes in these alternative electrolytes is comparable to that obtained in conventional electrolytes. At 60 degrees C, the use of glyoxylic-acetal-based electrolytes improves the stability of hard carbon electrodes with respect to conventional organic-carbonate-based formulations. These results confirm that glyoxylic-acetals are promising solvents in view of the realization of safe high-performance energy storage devices.
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