CPC H01M 10/613 (2015.04) [A62C 3/16 (2013.01); H01M 10/658 (2015.04); H01M 10/6556 (2015.04); H01M 10/6568 (2015.04)] | 13 Claims |
1. A battery pack, comprising:
battery cells;
a coolant tank for storing a coolant;
a cooling circuit in communication with the coolant tank;
a driving device for driving the coolant to flow;
a fire extinguishing pipeline connected to the cooling circuit, wherein the fire extinguishing pipeline comprises a spraying pipe extending above the battery cells and forming an opening after being heated; and
partitions provided between the battery cells and between battery modules, wherein the partitions have a characteristic of absorbing the coolant, the partitions comprise a heat insulation layer body for delaying heat spread, and the heat insulation layer body comprises an absorption layer for absorbing the coolant and a reinforcing layer, and
wherein:
the absorption layer is disposed on one single side of the reinforcing layer and faces the battery cells; or
the heat insulation layer body further comprises a second absorption layer and the absorption layer and the second absorption layer are disposed on opposite sides of the reinforcing layer.
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