Patent ID: 11909018
Assignee: CHONGQING JINKANG POWER NEW ENERGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  A  Y | IPC A  H

Claim 0:
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.