| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with high energy efficiency at a low input-output area which is necessary in case a hybrid automobile or the like is in actual operation. <P>SOLUTION: In the nonaqueous electrolyte secondary battery provided with a positive electrode, a negative electrode and nonaqueous electrolyte, the negative electrode contains lithium titanium complex oxide, and a solvent of the nonaqueous electrolyte contains at least one kind selected from a group consisting of ethyl acetate, methyl acetate, butyl acetate, ethyl propionate and methyl propionate. <P>COPYRIGHT: (C)2009,JPO&INPIT |
