Nonaqueous Electrolyte Comprising Additive For Nonaqueous Electrolyte, And Lithium Secondary Battery Containing Same

Abstract: The present invention provides a nonaqueous electrolyte comprising an additive for a nonaqueous electrolyte, represented by the following chemical formula 1. [Chemical formula 1] In chemical formula 1, R is any one selected from the group consisting of a C1-10 alkyl group, a C2-10 alkenyl group, a C2-10 alkynyl group, a C3-12 cycloalkyl group and a C3-12 cycloalkenyl group, R1 and R2 are each independently any one selected from the group consisting of H, a C1-10 alkyl group, a C2-10 alkenyl group, a C2-10 alkynyl group, a C3-12 cycloalkyl group and a C3-12 cycloalkenyl group, and A can be a C1-5 alkylene group.

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