| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolytic solution for a lithium secondary battery excellent in comprehensive property like non-flammable property with a compatibility with other electrolytic solutions and high stability against oxidative decomposition, and provide a lithium secondary battery using the same. <P>SOLUTION: The nonaqueous electrolytic solution for a lithium secondary cell has a structural formula of R<SB>1</SB>-O-R<SB>2</SB>( wherein, R<SB>1</SB>and R<SB>2</SB>are fluoroalkyl group), fluorination rate of the R<SB>1</SB>and R<SB>2</SB>range between 57% and 68%, and viscosity range between 0.9 cp and 2.3 cp, and contains at least one or more kinds of organic fluorinated ethers having a boiling point of 88°C or higher. <P>COPYRIGHT: (C)2004,JPO |
