A low-temperature electrolyte for lithium-ion batteries

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• 作者：Shiyou Li ; Xiaopeng Li ; Jinliang Liu ; Zhichao Shang ; Xiaoling Cui
• 关键词：Lithium ; ion batteries ; Low temperature ; Electrolyte ; Mixture salt ; Electrochemical performance
• 刊名：Ionics
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：21
• 期：4
• 页码：901-907
• 全文大小：2,892 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760

文摘

In this paper, the electrochemical performance of a new low-temperature electrolyte, 0.9?mol?L? lithium oxalyldifluoroborate (LiODFB)/LiBF4 (5.365:1, by mass) mixed salts in the ethylene carbonate (EC)/dimethyl sulfite (DMS)/ethyl methyl carbonate (EMC) mixed solvent (1:1:3, by volume, the same below), is studied to seek the promising candidate for advanced low-temperature lithium-ion batteries (LIBs). The results show that LIBs using this new electrolyte can be operable well at temperature below ?0?°C. This is useful to expand the application range of LIBs, especially at specific low-temperature environments, such as military and aerospace applications.