Effect of 1-butyl-1-methylpyrrolidinium hexafluorophosphate as a flame-retarding additive on the cycling performance and thermal properties of lithium-ion batteries

Title
Effect of 1-butyl-1-methylpyrrolidinium hexafluorophosphate as a flame-retarding additive on the cycling performance and thermal properties of lithium-ion batteries
Author
선양국
Keywords
1-Butyl-1-methylpyrrolidinium phosphate; Lithium-ion battery; Flame retardant; Electrolyte additive; Thermal stability
Issue Date
2011-11
Publisher
Elsevier LTD
Citation
Electrochimica Acta, 30 November 2011, 56(27) P10179-10184
Abstract
1-Butyl-1-methylpyrrolidinium hexafluorophosphate (BMP-PF(6)) was used as a flame-retarding additive in the liquid electrolyte, and the influence of BMP-PF(6) content on cycling performance and thermal properties of lithium-ion batteries was investigated. Self-extinguishing time and DSC studies demonstrated that the addition of BMP-PF(6) to the electrolyte provided a significant suppression in the flammability of the electrolyte and an improvement in the thermal stability of the cell. The optimum BMP-PF(6) content in the electrolyte was found to be 10 wt.% for improving safety without degrading cycling performance of the cell.
URI
https://www.sciencedirect.com/science/article/pii/S0013468611013867?via%3Dihub
ISSN
0013-4686
DOI
10.1016/j.electacta.2011.09.009
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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