Square battery

A square battery includes a battery case containing therein an electrode body. The battery case includes a case main body having a square shape substantially in the form of a cuboid having an open side surface and a lid bonded to the case main body so as to close an opening of the case main body. Th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Asadachi, Hideki, Funato, Minehiro, Shimura, Yosuke
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A square battery includes a battery case containing therein an electrode body. The battery case includes a case main body having a square shape substantially in the form of a cuboid having an open side surface and a lid bonded to the case main body so as to close an opening of the case main body. The case main body includes a rectangular bottom surface portion, a pair of wider surface portions facing each other, and a pair of narrower surface portions facing each other. The wider surface portion and the narrower surface portion adjacent to each other are bonded together. In the opening of the case main body, an inner side of a corner portion between the wider surface portion and the narrower surface portion adjacent to each other has an R-shape, and an outer edge of the lid is welded to the inner side of the corner portion.