电源技术2017，Vol.41Issue(10)：1396-1398,1412,4.
钛酸锂电池胀气成分的气相色谱分析
Analysis of components of lithium titanate battery by gas chromatography
刘燕燕 1王绥军 2金翼 2徐淑银 1武怿达1
作者信息
- 1. 中国科学院物理研究所,北京100190
- 2. 中国电力科学研究院,北京100192
- 折叠
摘要
Abstract
A method of a quantitative analysis for the gases produced in the lithium titanate (Li4Ti5O12) batteries by gas chromatography (GC) was introduced.The soft-packing lithium titanate batteries produced gases after cycled at 55 ℃.The GC system was calibrated by standard gases.Then the gases produced during cycling were quantitative analyzed.It was found the gases mainly contained CO2,H2 and CO when Ethylene carbonate (EC) was used in the electrolyte.When silanes additive was used in EC-based electrolyte,the battery produced more gases.The volume proportion of CO2 raised to 90％.When Propylene carbonate (PC) was used to replace EC in the electrolyte and using Fluoroethylene Carbonate(FEC) as additive,the battery produced less gases,which contained mainly H2 and CO2.After hundreds cycles,the discharged batteries were stored at 55 ℃ for two months.The volume proportions of H2 and CO2 in the produced gases decreased,and CO increased.关键词
钛酸锂电池/胀气/气相色谱Key words
lithium titanate batteries/gases produced/gas chromatography (GC)分类
信息技术与安全科学引用本文复制引用
刘燕燕,王绥军,金翼,徐淑银,武怿达..钛酸锂电池胀气成分的气相色谱分析[J].电源技术,2017,41(10):1396-1398,1412,4.
