A non-aqueous electrolytic solution comprising a non-aqueous solvent, an electrolyte and an additive, wherein the non-aqueous solvent comprises a carbonate, the electrolyte comprises a lithium salt, the additive comprises a cyclic sulfate compound having a structure represented by formula (I),
- wherein R1, R2, R3, and R4 are each independently selected from any one of a group having a structure represented by general formula (II), a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C2-C6 alkenyl group, a C2-C6 ester group, a cyano group, and a sulfonic acid group, and n1 and n2 are each independently any integer of 0-2;
- formula (II) is
- R5 and R6 are each independently selected from any one of a group having a structure represented by general formula (II), a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C2-C6 alkenyl group, a C2-C6 ester group, a cyano group, and a sulfonic acid group, and n3 is any integer of 0-2;
- R1 and R2 are not hydrogen atoms at the same time, and R3 and R4 are not hydrogen atoms at the same time;
- or R1, R2, R3, R4, R5, and Re satisfy the following:
- R1 and R2 are hydrogen atoms at the same time, one of R3 and R4 is a hydrogen atom while the other is any one of a group having a structure represented by general formula (II), a halogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C2-C6 alkenyl group, a C2-C6 ester group, a cyano group, and a sulfonic acid group, and R5 and R6 in the group having a structure represented by general formula (II) are not hydrogen atoms at the same time;
- or R1, R2, R3, R4, R5, and R6 satisfy the following:
- R3 and R4 are hydrogen atoms at the same time, one of R1 and R2 is a hydrogen atom while the other is any one of a group having a structure represented by general formula (II), a halogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C2-C6 alkenyl group, a C2-C6 ester group, a cyano group, and a sulfonic acid group, and R5 and R6 in the group having a structure represented by general formula (II) are not hydrogen atoms at the same time,
- a mass content of the cyclic sulfate compound in the non-aqueous electrolytic solution is 0.001%-20%.