| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery which improves safety, oxidation stability, and thermal stability. <P>SOLUTION: In the lithium secondary battery formed by a negative electrode, a positive electrode, a separator, and an electrolyte based on lithium retained in a non-proton solvent, the lithium secondary battery is improved by using lithium salt expressed by a general formula of Li<SB>2</SB>B<SB>12</SB>F<SB>x</SB>Z<SB>12-x</SB>(In the general formula, x is 4 or more, and Z expresses H, Cl, or Br). <P>COPYRIGHT: (C)2010,JPO&INPIT |
