| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having superior capacity retention rate at efficient discharging and storage characteristics at high temperatures. SOLUTION: The nonaqueous electrolyte secondary battery, in which the nonaqueous electrolyte, containing electrolytic salt represented by the chemical formula ABF4-n (Cm F2m+1 )n (wherein, n is 1-4; m is 1-3; and A represents an alkali metal), cyclic carbonate, and chain carbonate is used, has a positive electrode 1 using one or more kinds of lithium complex oxides as a positive electrode active substance, and a negative electrode 2, using a carbonaceous material as a negative electrode active substance. |
