| abstract |
A non-aqueous electrolytic solution for batteries, which comprises an electrolyte containing LiPF6 and LiFSI and an additive comprising at least one component selected from the group consisting of compounds (A) to (D). Ra1 represents a fluorine atom, a C1-6 hydrocarbon group, a C1-6 hydrocarbonoxy group, or a C1-6 fluorinated hydrocarbon group. Rb1 represents a hydrogen atom, a fluorine atom, a C1-6 hydrocarbon group, a C1-6 hydrocarbonoxy group, or a C1-6 fluorinated hydrocarbon group. Rc1 to Rc4 independently represent a hydrogen atom, a halogen atom, a C1-6 hydrocarbon group, a C1-6 halogenated hydrocarbon group, a C1-6 hydrocarbonoxy group, or a C1-6 halogenated hydrocarbonoxy group. Rd21 to Rd24 independently represent a hydrogen atom, a C1-6 hydrocarbon group, a group (a), or a group (b). In group (a) and group (b), "*" represents a binding position. |