Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 30, 2007
Patent Application Number
10818816
Date Filed
April 6, 2004
Patent Primary Examiner
Patent abstract
The invention provides an electrolytic solution and a battery, which can sufficiently improve cycle characteristics. The battery comprises an electrode winding body, wherein a cathode and an anode are layered and wound sandwiching a separator inside a battery can. The electrolytic solution is impregnated in the separator. The electrolytic solution contains a high dielectric constant solvent comprised of at least either ethylene carbonate or propylene carbonate; dimethyl carbonate; and diphenyl carbonate at a mass ratio of 5 to 40:58 to 93: more than 0 to 5.
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