CYLINDRICAL SECONDARY BATTERY

A cylindrical secondary battery allowing the loss of space inside a case to be reduced is provided. As an example, a cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a case, a terminal passing through an upper...

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Bibliographische Detailangaben
Hauptverfasser: JUNG, Hyun Ki, KIM, Myung Seob, KO, Sung Gwi, PARK, Gun Gue
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A cylindrical secondary battery allowing the loss of space inside a case to be reduced is provided. As an example, a cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a case, a terminal passing through an upper surface portion of the case and coupled to the case through a first gasket, a first current collector plate arranged between an upper surface of the electrode assembly and the case and electrically connecting the first electrode plate and the terminal, and a cap plate configured to seal a lower end portion of the case, the case including the upper surface portion having a flat plate shape, a central portion having a terminal hole and protruding outward further than the upper surface portion, and a side surface portion extending downward from an edge of the upper surface portion.