Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 30, 2009
Patent Application Number
10658272
Date Filed
September 10, 2003
Patent Primary Examiner
Patent abstract
An electrolyte for a lithium secondary battery includes lithium salts, a non-aqueous organic solvent, and additive compounds. The additive compounds added to the electrolyte of the present invention decompose earlier than the organic solvent to form a conductive polymer layer on the surface of a positive electrode, and prevent decomposition of the organic solvent. Accordingly, the electrolyte inhibits gas generation caused by decomposition of the organic solvent at initial charging, and thus reduces an increase of internal pressure and swelling during high temperature storage, and also improves safety of the battery during overcharge.
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