| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery capable of inhibiting lead parts from entering an electrode bundle even when the lead parts are deformed by impact from the outside.SOLUTION: A battery case 50 includes deformation regulation parts 52 which regulate deformation toward a positive electrode surface 20a or a negative electrode surface 20b of lead parts 32, 42. The deformation regulation parts are installed in a projection shape between a lead part and an electrode bundle from an internal wall surface 51 of the battery case opposite to the surface of an electrode bundle 20. When an external force from the side of the battery case is added, the lead parts are often deformed in the vicinity of a boundary with terminal connections as a starting point. The deformation regulation parts can inhibit the lead parts from entering inside the electrode bundle more surely. |
