| 摘要 |
A non-aqueous electrolyte secondary battery according to the present invention is characterized by being equipped with a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein an insulating layer is provided between the positive electrode and the negative electrode, the insulating layer contains at least one bicarbonate salt selected from sodium bicarbonate and potassium bicarbonate, the average particle diameter of the bicarbonate salt is 2 to 20 mum, the content of the bicarbonate salt is 5 to 80 vol% relative to the total volume of the insulating layer, and the thickness of the insulating layer is 4 to 40 mum. |
