abstract |
(57) [Problem] To provide a high-capacity non-aqueous electrolyte secondary battery having high capacity and good charge / discharge cycle characteristics. SOLUTION: This non-aqueous electrolyte secondary battery is composed of a negative electrode material mainly composed of an oxide, a positive electrode material, and a non-aqueous electrolyte containing a lithium salt, wherein the boroxine compound is contained in the battery. Non-aqueous electrolyte secondary battery. |