| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery excellent in safety while securing battery performance.SOLUTION: A nonaqueous secondary battery including a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte, as constituent elements, has a porous layer between the positive electrode and the negative electrode. The porous layer includes a particulate resin and a binder resin. The particulate resin is a material that is softened at a temperature of 70-150°C and solidified at a temperature of 151-200°C. |
