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Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2015
0Patent Application Number
133768860
Date Filed
June 9, 2010
0Patent Primary Examiner
Patent abstract
The present invention provides an electrolyte solution and a lithium ion secondary battery which maintain for a long period high battery characteristics represented by the discharge capacity retention rate after the charge/discharge cycle, and simultaneously achieve also the high safety represented by the flame retardation. The present invention provides an electrolyte solution containing a nonaqueous solvent, an electrolyte, a specific compound having a perfluoroalkyl group in the molecule, and an additive having a fluorine atom and/or a phosphorus atom in the molecule.
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