| 摘要 |
PROBLEM TO BE SOLVED: To obtain an electrode plate for a storage battery and the storage battery which allows reducing an electric resistance of the electrode plate to obtain a high discharge characteristic by increasing a contact area between a substrate and a current collecting tab and enabling current collection over the full length of the substrate to have high current collecting efficiency. SOLUTION: When a rectangular conductive porous substrate 12 of this electrode plate 11 for a storage battery is filled and coated with a pasty material 13 containing an active material, an uncoated end edge part 14 is left along one longitudinal side thereof. After drying and rolling of the pasty material 13, an elongate belt-shaped long sideways current collecting tab 15 is continuously welded to the uncoated end edge part 14. When the electrode plate 11 for the storage battery having such a structure is cylindrically wound, the wound current collecting tab 15 projects from the cylindrical electrode plate 11. The cylindrical electrode plate 11 having the current collecting tab 15 projecting from its bottom face is installed into a battery can with a disk-like collector interposed between the current collecting tab 15 and the bottom wall of the battery can. |
