BUTTON CELL

A button cell includes an electrode assembly, a case including an opening exposing the electrode assembly, a cap plate coupled to the case to cover an outer region of the opening and including a through hole exposing a central region of the opening, and a step portion recessed to correspond to a sid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KIM, Dae-Sup
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 button cell includes an electrode assembly, a case including an opening exposing the electrode assembly, a cap plate coupled to the case to cover an outer region of the opening and including a through hole exposing a central region of the opening, and a step portion recessed to correspond to a sidewall of the case and in which the sidewall of the case is inserted, a terminal plate connected to the second electrode tab, insulatively bonded to the cap plate, and covering the through hole, a bonding layer between the cap plate and the terminal plate and insulatively bonding between the cap plate and the terminal plate, and a side welded portion between the step portion of the cap plate and the sidewall of the case.