| 摘要 |
PROBLEM TO BE SOLVED: To improve preservation characteristics in a charging state. SOLUTION: The electrolyte salt of a nonaqueous electrolyte is composed of at least one kind of A electrolyte salt selected from LiPF6 , LiAsF6 , LiSbF6 , LiBF4 , LiBiF4 , LiAlF4 , LiGaF4 , LiInF4 and LiClO4 , and at least one kind of B electrolyte salt selected from LiN(Cn F2n+1 SO2 )2 [n=1,2,3, or 4] and LiC(Cm F2n+1 SO2 )3 [m=1,2,3, or 4]. |
