| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having electrolyte solution with excellent flame resistance, high energy density, and superb high-rate discharge characteristics. <P>SOLUTION: In the nonaqueous electrolyte secondary battery provided with a cathode storing and releasing lithium ion, an anode storing and releasing lithium ion, and nonaqueous electrolyte containing lithium salt, the nonaqueous electrolyte contains acyclic fluorinated ether containing at least one -CF<SB>2</SB>H group at a terminal end, a cyclic carbonate compound with carbon-carbon π bond, and sultone. <P>COPYRIGHT: (C)2008,JPO&INPIT |
