Secondary Battery
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United States of America Patent
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Issued Date -
Mar 18, 2021
app pub date -
Mar 7, 2019
filing date -
Jun 5, 2018
priority date (Note) -
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Abstract
A cylindrical secondary battery may have an insulation layer formed in a region in which the top cap and the first gasket are coupled to each other. The insulation layer may include a ceramic material and a binder. The secondary battery is designed so that, when an external electrical conductive object is electrically connected directly to a positive electrode and a negative electrode of the secondary battery, an electrode tab of the secondary battery is broken as quickly as possible.
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