Battery module having fire-extinguishing unit
AssigneeLG Energy Solution, Ltd.
InventorsHan Young Lee, Jun Soo Park
Life of this patent
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Abstract
A battery module having a fire-extinguisher, and more particularly to a battery module having a fire-extinguisher, the battery module including a plurality of battery cells stacked in a vertical direction or a horizontal direction and a fire-extinguisher located adjacent to each of the battery cells, wherein the fire-extinguisher includes a fire-extinguishing pack containing a tire-extinguishing material, a piezoelectric element interposed between the battery cell and the fire-extinguishing pack, and at least one breaking unit interposed between the battery cell and the fire-extinguishing pack.
Claims11
A battery module having comprising:
- a plurality of battery cells stacked in a first direction;
- and
- a plurality of fire-extinguishers respectively located adjacent to the plurality of battery cells,
- wherein each of the plurality of fire-extinguishers comprises a fire-extinguishing pack containing a fire-extinguishing material, a piezoelectric element interposed between a respective battery cell and the fire-extinguishing pack, and at least one breaking unit interposed between the respective battery cell and the fire-extinguishing pack, wherein the breaking unit comprises:
- a coupler fixed to the respective battery cell or the fire-extinguishing pack;
- and a blade extending from the-coupler, wherein the blade is made of an electroactive polymer.
Dependencies are inferred from the claim text.