Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 28, 2009
Patent Application Number
11785288
Date Filed
April 17, 2007
Patent Primary Examiner
Patent abstract
A nonaqueous secondary battery includes a negative electrode using a negative electrode active material containing a carbonaceous material; a positive electrode using a positive electrode active material capable of reversibly intercalating and deintercalating lithium; and a nonaqueous electrolyte. The nonaqueous electrolyte contains:(1) a vinyl ethylene carbonate derivative represented by Formula (I):
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