CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Provided is a cylindrical secondary battery. The cylindrical secondary battery includes a cylindrical can, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a cap assembly which is insulated from the...

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Hauptverfasser: CHUN, Byoung Min, KO, Sung Gwi, KIM, Dae Kyu, MOON, Jin Young, PARK, Gun Gue, SEO, Geun Ho, KIM, Shin Jung
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator CHUN, Byoung Min
KO, Sung Gwi
KIM, Dae Kyu
MOON, Jin Young
PARK, Gun Gue
SEO, Geun Ho
KIM, Shin Jung
description Provided is a cylindrical secondary battery. The cylindrical secondary battery includes a cylindrical can, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a cap assembly which is insulated from the can and electrically connected to the electrode assembly and through which a degassing hole passes to communicate with the inside of the can. According to the embodiment, since a degassing function is applied to remove the gas generated before the product shipment, deformation of the can and the cap assembly may be reduced. In addition, swelling of the electrode assembly due to the generation of the internal gas may be prevented from occurring to reduce performance deterioration of the secondary battery.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
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