Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shusuke Inada0
Masahiro Sekino0
Masayuki Oguchi0
Nao Shimura0
Akira Yajima0
Asako Satoh0
Hiroshi Kitayama0
Date of Patent
January 5, 2010
0Patent Application Number
118344510
Date Filed
August 6, 2007
0Patent Primary Examiner
Patent abstract
A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.
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