To provide a nonaqueous electrolyte secondary battery having improved safety.

The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator provided between the positive electrode and negative electrode, and nonaqueous electrolyte. The positive electrode and the negative electrode each have a collector, and the collector supports an active material. The collector of the positive electrode includes a plurality of resin fibers, a base metal layer covering the resin fibers, and an upper metal layer covering the base metal layer.