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

被引：34

作者：

Choi, Ji-Ae ^{[1
]}

Sun, Yang-Kook ^{[2
]}

Shim, Eun-Gi ^{[3
]}

Scrosati, Bruno ^{[4
]}

Kim, Dong-Won ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea

[2] Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea

[3] Techno SemiChem Co Ltd, Electrolyte Dev Team, Yongin 446599, Gyeonggi Do, South Korea

[4] Univ Roma La Sapienza, Dept Chem, I-00185 Rome, Italy

来源：

ELECTROCHIMICA ACTA | 2011年 / 56卷 / 27期

基金：

新加坡国家研究基金会;

关键词：

1-Butyl-1-methylpyrrolidinium phosphate; Lithium-ion battery; Flame retardant; Electrolyte additive; Thermal stability; VINYL ETHYLENE CARBONATE; ELECTROCHEMICAL PERFORMANCE; ELECTROLYTE ADDITIVES; TRIMETHYL PHOSPHATE; GRAPHITE ANODE; LIQUID; INTERCALATION; BIPHENYL; BEHAVIOR; LIXCOO2;

D O I：

10.1016/j.electacta.2011.09.009

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

1-Butyl-1-methylpyrrolidinium hexafluorophosphate (BMP-PF6) was used as a flame-retarding additive in the liquid electrolyte, and the influence of BMP-PF6 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-PF6 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-PF6 content in the electrolyte was found to be 10 wt.% for improving safety without degrading cycling performance of the cell. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：10179 / 10184

页数：6

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