Secondary battery and battery module
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United States of America Patent
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Jul 19, 2022
Grant Date -
Jan 7, 2021
app pub date -
Dec 6, 2019
filing date -
Feb 14, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A secondary battery includes an electrode assembly formed by alternately stacking an electrode and a separator; a battery case that accommodates the electrode assembly therein; a plurality of electrode tabs protruding from the electrode assembly; a plurality of electrode leads, each of which has one end connected to one of the plurality of electrode tabs and another end protruding to an outside of the battery case; and a short-circuit induction part which has a wire shape, wherein ends of the short-circuit induction part are respectively disposed on a sealing part of the battery case that seals the plurality of electrode leads in the battery case, and wherein the ends of the short-circuit induction part are configured to respectively extend toward the plurality of electrode leads to contact the plurality of electrode leads when reaching a specific temperature.
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