BUTTON CELL AND METHOD FOR THE PRODUCTION OF BUTTON CELLS

A button cell includes housing parts each including a circular bottom, a ring-shaped side wall, a circumferential transition region connecting the bottom and the side wall, and an opening edge defining a circular opening, where the circular bottoms and ring-shaped side walls each have an inside faci...

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Bibliographische Detailangaben
Hauptverfasser:	KREIDLER, Bernd, KOHLS, Ulrich
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A button cell includes housing parts each including a circular bottom, a ring-shaped side wall, a circumferential transition region connecting the bottom and the side wall, and an opening edge defining a circular opening, where the circular bottoms and ring-shaped side walls each have an inside facing into the interior space and an outside facing in the opposite direction and the opening peripheries each lie in a plane oriented parallel to the respective bottom, the inside and the outside of the side wall and the opening edge of the first housing part are coated with a solid polymer coating joined by material-to-material bonding to the sides and the opening edge and forms the sealing element, and the polymer coating is thicker at the opening edge than in a region of the side wall which is at a distance from the opening edge.