Rechargeable battery having short-circuit protrusion
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United States of America Patent
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Feb 12, 2019
Grant Date -
Feb 11, 2016
app pub date -
Jun 5, 2015
filing date -
Aug 8, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.
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