Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshinao Tatebayashi0
Hiroki Inagaki0
Norio Takami0
Date of Patent
December 9, 2008
Patent Application Number
10943984
Date Filed
September 20, 2004
Patent Primary Examiner
Patent abstract
A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less.
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