| 摘要 |
PROBLEM TO BE SOLVED: To provide a secondary battery having favorable battery performance while securing high safety.SOLUTION: A secondary battery includes a wound body including a laminate structure comprising a positive electrode, a negative electrode, and a separator located between the positive electrode and the negative electrode. A lubricant is provided at least at a part of a surface of the separator, and the negative electrode includes at least one selected from the group consisting of a simple substance, an alloy and a compound of silicon, and a simple substance, an alloy and a compound of tin, as an active material. |
