CAP ASSEMBLY COMPRISING GUIDE MEMBER FOR PREVENTING ESCAPE OF SAFETY VENT
Disclosed herein is a cap assembly loaded on an open upper end part of a cylindrical can of a battery, the battery being configured to have a structure in which an electrode assembly is mounted in the cylindrical can, the cap assembly including a safety vent configured to rupture in order to exhaust...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English French German |
Published |
08.01.2020
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Subjects | |
Online Access | Get full text |
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Summary: | Disclosed herein is a cap assembly loaded on an open upper end part of a cylindrical can of a battery, the battery being configured to have a structure in which an electrode assembly is mounted in the cylindrical can, the cap assembly including a safety vent configured to rupture in order to exhaust gas when the interior pressure of the battery increases, an upward-protrusion type cap plate loaded on the upper part of the safety vent, the cap plate being provided with a through-opening, through which gas is exhausted, a current interrupt member attached to the lower end of the safety vent for interrupting electric current when the interior pressure of the battery increases, and a guide member attached to the inside of the cap plate for preventing escape of a ruptured portion of the safety vent, which is ruptured as a result of an increase in the interior pressure of the battery. |
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Bibliography: | Application Number: EP20180770229 |