Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 21, 2011
Patent Application Number
12033304
Date Filed
February 19, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
It is made possible to keep a nonaqueous electrolyte secondary battery in a charged state for a long period of time and minimize the degradation of the battery. A method for charging a nonaqueous electrolyte secondary battery including a cathode, an anode, and a nonaqueous electrolyte, includes: a first charging step of charging the nonaqueous electrolyte secondary battery at a first current value which increases the voltage of the nonaqueous electrolyte secondary battery; and a second charging step of charging the nonaqueous electrolyte secondary battery at a second current value which decreases the voltage of the nonaqueous electrolyte secondary battery. These two charging steps are repeated alternately.
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