Alkaline battery and battery pack
A positive electrode and a gelled negative electrode are stored with a separator interposed therebetween in a battery case and an opening portion of the battery case is sealed with a gasket. The battery case is formed so that a thickness of a body portion thereof is smaller than a thickness of an op...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A positive electrode and a gelled negative electrode are stored with a separator interposed therebetween in a battery case and an opening portion of the battery case is sealed with a gasket. The battery case is formed so that a thickness of a body portion thereof is smaller than a thickness of an opening portion thereof, the gasket includes a center portion, an outer circumference portion and a connection portion, an edge portion of the separator is in contact with the connection portion and bent toward the center portion and contact part of the edge portion with the connection portion has a length in a range of 1.5 mm to 2.5 mm. Furthermore, part of the separator which is not in contact with the positive electrode and the connection portion has a length of 1.5 mm or less. |
|---|