| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrolytic solution for a lithium secondary battery and a lithium secondary battery including the same for restricting high-temperature swelling. <P>SOLUTION: The electrolytic solution composed of an organic solvent containing an ester-based solvent with cyclic ester and containing a nitrile-based solvent expressed by a chemical formula 1 and of lithium salt. In the formula 1, R is an aliphatic hydrocarbon or a halogenated aliphatic hydrocarbon of C<SB>1</SB>to C<SB>10</SB>, or an aromatic hydrocarbon or a halogenated aromatic hydrocarbon of C<SB>6</SB>to C<SB>10</SB>. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
