| abstract |
PROBLEM TO BE SOLVED: To provide a non-aqueous electrolyte which suppresses an increase in interfacial resistance of an electrode, gives excellent load characteristics and low-temperature characteristics to a battery, and further provides excellent life characteristics, and a life characteristic using the same. To provide an excellent secondary battery. SOLUTION: A nonaqueous electrolytic solution containing a borate represented by the following formula (1), a nonaqueous solvent and an electrolyte, and a secondary battery using the same. Embedded image (R 1 to R 3 may be bonded to each other by hydrogen, a metal or an organic group.) Further, a non-aqueous electrolyte containing sulfones or sulfonates, and / or a non-aqueous electrolyte containing a vinylene carbonate derivative. Aqueous electrolyte is also a preferred embodiment of the non-aqueous electrolyte of the present invention. |