CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY

An embodiment of the present invention relates to a cylindrical secondary battery, and the cylindrical secondary battery may comprise: a cylindrical can; an electrode assembly which includes a first electrode plate, a second electrode plate, and a separator wound together and is accommodated in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KO, Sung Gwi, KIM, Dae Kyu, SEO, Geun Ho
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
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An embodiment of the present invention relates to a cylindrical secondary battery, and the cylindrical secondary battery may comprise: a cylindrical can; an electrode assembly which includes a first electrode plate, a second electrode plate, and a separator wound together and is accommodated in the can; and a cap assembly which is insulated from the can, is electrically connected to the electrode assembly, and has a hole formed therethrough to communicate with the inside of the can. According to the embodiment of the present invention, a degassing function is applied so that gas generated before product delivery can be removed and thus deformation of the can and the cap assembly can be reduced. In addition, the occurrence of swelling of the electrode assembly due to internal gas generation can be prevented and thus performance degradation of the secondary battery can be reduced.