Triethyl and tributyl phosphite as flame-retarding additives in Li-ion batteries

Nam, Nguyen Dang, Park, In Jun and Kim, Jung Gu 2012, Triethyl and tributyl phosphite as flame-retarding additives in Li-ion batteries, Metals and materials international, vol. 18, no. 1, pp. 189-196, doi: 10.1007/s12540-012-0025-y.

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Title Triethyl and tributyl phosphite as flame-retarding additives in Li-ion batteries
Author(s) Nam, Nguyen Dang
Park, In Jun
Kim, Jung Gu
Journal name Metals and materials international
Volume number 18
Issue number 1
Start page 189
End page 196
Total pages 8
Publisher Daehan Geumsog Jae'lyo Haghoe
Place of publication Seoul, Korea
Publication date 2012-02
ISSN 1598-9623
Keyword(s) lithium-ion battery
energy storage materials
surface modification
raman spectroscopy
Summary This study examined the influence of triethyl and tributyl phosphite (TEP and TBP) additives on the electrochemical performance of lithium-ion cells. The cell performance of the TEP- and TBP-containing electrolytes was evaluated by cyclic voltammetry, thermogravimetric analysis, electrochemical impedance spectroscopy, Fourier transform infrared spectroscopy and scanning electron microscopy. The flammability of the electrolytes was also investigated by measuring the self-extinguishing time of the electrolytes. The results showed that the TEP and TBP additives suppressed the flammability of the electrolyte, with a significant improvement in cell performance observed for the TEP additive. In addition, TEP and TBP additives improved the thermal stability of the battery and its electrochemical cell performance. Overall, 5 wt% TEP and TBP can be used as a flame-retarding additive to improve the cell performance of Li-ion batteries due to the decrease in cell impedance and SEI formation.
Language eng
DOI 10.1007/s12540-012-0025-y
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ┬ęKIM and Springer
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