Rechargeable battery and module thereof
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Apr 15, 2014
filing date -
Sep 24, 2013
priority date (Note) -
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Abstract
A rechargeable battery includes an electrode assembly that performs charging and discharging operations, a case that accommodates the electrode assembly therein, a cap plate coupled to the case, an electrode terminal connected to the electrode assembly and mounted in a terminal hole of the cap plate, and an insulation member that coats the case. The insulation member has a protruding portion that protrudes from an external circumference of the cap plate along a surface of the cap plate. The protruding portion has an exhaust groove on at least one side thereof.
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