| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery enhancing thermal stability under high temperature environment of a charged state battery. <P>SOLUTION: In the nonaqueous electrolyte battery having a nonaqueous electrolyte comprising an electrolyte salt and a nonaqueous solvent, a positive electrode, and a negative electrode, the nonaqueous solvent is practically comprised of only a solvent having no flash point in flash point measurement conforming to JIS K-2265, as typified in 2,2,2-trifluoro ethyl phosphate. <P>COPYRIGHT: (C)2007,JPO&INPIT |
