| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve on output characteristics at low temperature, in case of making a high-capacity electrode. <P>SOLUTION: A nonaqueous electrolyte secondary battery is equipped with a positive electrode, a negative electrode and electrolyte solution, of which, the positive electrode and the negative electrode are provided with a collector and an active material layer, respectively. At least the active material layer of either the positive electrode or the negative electrode contains cold molten salt, and the electrolyte solution contains a solvent and electrolyte salt, of which, the solvent contains a specific sulfone compound and cold molten salt. <P>COPYRIGHT: (C)2011,JPO&INPIT |
