Journal
JOURNAL OF CHEMICAL SCIENCES
Volume 121, Issue 3, Pages 339-346Publisher
INDIAN ACAD SCIENCES
DOI: 10.1007/s12039-009-0039-2
Keywords
Lithium battery; low temperature; fluoroester additive; organic electrolyte; natural graphite
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- Daikin Industries, Ltd. Osaka, Japan and SEC Co., Ltd, Japan
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Electrochemical cell performances of fluorinated natural graphite (abbreviated as FNG) electrode material was studied by using 1M of LiClO4- EC : DEC: PC (1 : 1 : 1 v%) electrolyte solution with and without 0.15% v/v fluorinated carboxylic ester additive difluoromethyl acetate-CHF2COOCH3 (MFA) at -10 degrees C. The electrochemical cell performances were studied by cyclic voltammetry, galvanostatic charge-discharge and impedance analysis. The additive has proven its positive role with the electrolyte system and has shown the improved characterization over the blank electrolyte system.
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