Battery pack including thermal spread inhibition structure
AssigneeLG Energy Solution, Ltd.
InventorsKyung Woo Kim, Young Bum Cho, Jeong Oh Moon, Hyeon Ki Yun, Eun Gyu Shin, Ho June Chi, Jin Yong Park
Life of this patent
Estimating the term…
Abstract
A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. At least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.
Claims16
A battery pack comprising:
- a plurality of battery module housings, each battery module housing of the plurality of battery module housings configured to receive a plurality of battery cells;
- a battery pack case configured to receive the plurality of battery module housings;
- a metal strap configured to fix the plurality of battery cells and located at each of an upper surface and a lower surface of the plurality of battery cells, the metal strap not including any through-holes;
- a water tank located above the plurality of battery module housings, the water tank including a through-hole formed in a first surface of the water tank that faces the plurality of battery module housings, the through-hole being located above the metal strap but not overlapping the metal strap with respect to a vertical direction;
- and
- a heat sink located under the plurality of battery module housings,
- wherein at least a portion of a surface of each battery module housing that faces the water tank is open, and
- wherein a sealing member is located in the through-hole.
Dependencies are inferred from the claim text.