Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Yamaguchi0
Tadahiko Kubota0
Masayuki Ihara0
Date of Patent
March 26, 2013
0Patent Application Number
119407890
Date Filed
November 15, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A battery capable of improving the storage characteristics and the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. A solvent of the electrolytic solution contains a given sulfone compound such as bis(trimethylsilyl)methanedisulfonate. Compared to a case that a solvent contains other sulfone compound such as bis(methyl)methanedisulfonate, the chemical stability of the electrolytic solution is improved, and the decomposition reaction of the electrolytic solution is prevented.
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