| abstract |
The present invention provides a novel non-aqueous electrolyte secondary battery that has excellent weight energy density and effectively suppresses deterioration of battery performance, and a method for manufacturing the same. A non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte containing a support salt having ionic conductivity, the positive electrode A non-aqueous electrolyte secondary battery including a conductive polymer, the negative electrode including a carbonaceous material capable of inserting and releasing ions, and the electrolytic solution including lithium hexafluorophosphate as a supporting salt. [Selection figure] None |