| abstract |
The secondary battery is drawn out from a battery element (20) in which a positive electrode plate and a negative electrode plate are laminated, an outer package (10) containing the battery element (20) together with an electrolyte, and the outer package (10). A positive electrode and a negative electrode tab (21, 25), a fusing part (25b) formed in a part of the electrode tab and preferentially fusing when a predetermined current flows, and the electrode tab Among them, a reinforcing member 33 attached to at least a portion including the fusing part (25b) in a state of being separated from the exterior body is provided. |