Thermal stability of LiPF6-EC:EMC electrolyte for lithium ion batteries

被引：161
作者：
Botte, GG
White, RE [1 ]
Zhang, ZM
机构：
[1] Univ S Carolina, Ctr Electrochem Engn, Dept Chem Engn, Columbia, SC 29208 USA
[2] Celgard Inc, Charlotte, NC 28173 USA
来源：
JOURNAL OF POWER SOURCES | 2001年 / 97-8卷
关键词：
differential scanning calorimeter; lithium ion batteries; electrolyte; thermal stability; decomposition;
D O I：
10.1016/S0378-7753(01)00746-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A differential scanning calorimeter (DSC) was used to perform a thermal stability study of the LiPF6-EC:EMC electrolyte. The effect of different variables on its thermal stability was evaluated: salt (LiPF6) concentration effect, solvents, EC:EMC ratios, and heating rates. Hermetically sealed and crimped DSC pans were used during the experiments. The results indicate that the salt concentration, solvent concentration, and heating rates play an important role in the thermal stability of the LiPF6-EC:EMC electrolyte. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：570 / 575
页数：6
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