| 主权项 |
1. A battery system, comprising:
a battery pack, wherein the battery pack includes:
a plurality of battery cells, wherein the plurality of battery cells are arranged in multiple battery cell rows, and each battery cell row comprises multiple battery cells,one or more heat exchange spaces, wherein each heat exchange space is arranged between adjacent battery cell rows or at one side of each battery cell row,a device for providing heat exchange to the battery pack, wherein the device includes a heat conduction medium passage arranged in the one or more heat exchanging spaces, wherein the heat conduction medium passage surrounds the multiple battery cells in each battery cell row, the heat conduction medium passage is provided with at least a first group of channels and a second group of channels extending in a direction substantially perpendicular to an axial direction of each battery cell and arranged up and down along the axial direction of each battery cell, the first group of channels and the second group of channels are in contact with a surface of each battery cell, the first group of channels and the second group of channels are provided with at least one inlet and at least one outlet, respectively, a heat conduction medium is provided in the first group of channels and the second group of channels, the heat conduction medium in the first group of channels flows from the at least one inlet to the at least one outlet, and the heat conduction medium in the second group of channels flows from the at least one inlet to the at least one outlet, and a heat insulation layer is arranged between the first group of channels and the second group of channels,a sensor to detect a temperature of the battery pack;a controller configured to determine and send a control signal according to a temperature value detected by the sensor;a heat conduction medium source configured to provide the heat conduction medium to the heat conduction medium passage;a pump configured to control the flow rate of the heat conduction medium according to the control signal sent by the controller;a heat treatment device configured to heat or cool the heat conduction medium entering into the heat conduction medium passage; anda passage, wherein the heat conduction medium source, the pump, the heat treatment device, and the heat conduction medium passage are in fluid communication via the passage. |
