Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiyuki Nohma0
Atsuhiro Funahashi0
Katsunori Yanagida0
Naoya Nakanishi0
Date of Patent
February 13, 2007
0Patent Application Number
106637130
Date Filed
September 17, 2003
0Patent Primary Examiner
Patent abstract
In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution contains at least a saturated cyclic carbonic ester and a cyclic carbonic ester having C═C double bond where an amount of the cyclic carbonic ester having C═C double bond is in a range of 1.0×10−8 to 13.0×10−5 g per negative electrode capacity of 1 mAh.
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