A positive electrode (50) of a nonaqueous electrolyte secondary battery (100) disclosed herein includes a positive electrode active material layer (54) with a multilayer structure including a positive electrode lower layer (54A) close to a positive electro...

In a preferred aspect of the battery disclosed herein, a region encompassing five layers of the positive electrode (negative electrode) counting from one of outer surfaces at both ends of the lamination structure in the stacking direction is a first outerm...

A protrusion (210) is formed to protrude from a separator (200) to a side opposite to a plurality of battery cells (100) along a second direction. A restraint member (400) includes: a binding bar (410) extending in a first direction; and an abutment member...