Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 23, 2021
Patent Application Number
16521625
Date Filed
July 25, 2019
Patent Primary Examiner
Patent abstract
A cap for closing an opening of a battery case for containing an electrode assembly is formed by an elongated plate extending in a longitudinal direction. The cap includes: a terminal hole for allowing a negative electrode terminal of the electrode assembly to pass therethrough; a recess formed in an outer surface of the cap, the outer surface representing the exterior of the battery, the recess located in a region that surrounds the terminal hole and that is not in contact with the outer periphery of the outer surface. An edge of the recess includes a projection protruding inwardly. The projection is positioned to overlap the terminal hole as determined along the longitudinal direction.
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