Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 6, 2014
Patent Application Number
11575533
Date Filed
September 21, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An electrolytic solution and a battery capable of improving high temperature characteristics are provided. A separator (23) is impregnated with an electrolytic solution. The electrolytic solution includes a solvent including 4,5-difluoro-1,3-dioxolane-2-one. The content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 wt % to 50 wt %, or in the case where 4,5-difluoro-1,3-dioxolane-2-one is mixed and used with 4-fluoro-1,3-dioxolane-2-one, the content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 vol ppm to 2000 vol ppm.
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