| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery in which performance can be maintained even under a severe condition such as a high temperature and high humidity, and in which in addition to life-prolongation in the conventional usage, possibility of application development to a new usage is expanded. <P>SOLUTION: The nonaqueous electrolyte secondary battery in which a positive electrode, a negative electrode, a separator, and a nonaqueous electrolytic solution are housed in a battery container is composed of the positive electrode and the negative electrode in which active material is lithium-manganese oxide, the nonaqueous electrolytic solution containing sulfolane, and the separator composed of polyether-ether-ketone. <P>COPYRIGHT: (C)2008,JPO&INPIT |
