| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive nonaqueous electrolyte secondary battery having high energy density, high safety, and in particular, superior discharging characteristic of high rate. SOLUTION: In this nonaqueous electrolyte secondary battery composed of a positive electrode including particles of positive electrode active material including lithium ions, a lithium ion conductive nonaqueous electrolyte, and a negative electrode active material capable of storing and releasing lithium ions, the particles of the positive electrode active material include lithium nickel compound oxide and lithium manganese compound oxide, and the average particle diameter of the lithium nickel compound oxide is smaller than that of the lithium manganese compound oxide. |
