NONAQUEOUS ELECTROLYTE SOLUTION FOR BATTERIES, AND LITHIUM SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte solution for batteries, which enables the reduction in battery resistance and the suppression of expansion of a battery while the battery is stored.SOLUTION: A nonaqueous electrolyte solution for batteries comprises: an additive agent A which is a cyclic sulfate ester compound expressed by the formula (I); and an additive agent B which is a silyl phosphate ester compound expressed by the formula (V).SELECTED DRAWING: None