A fluid-cooled battery system includes at least one battery module which includes a plurality of rows of battery cells, an outer casing, and at least one cell fixture. The outer casing defines therein an accommodation space. The cell fixture includes a holding web fitted inside the accommodation space, and formed with a plurality of rows of retaining holes. The retaining holes of each row are configured to retain cell bodies of a respective row of the battery cells so as to permit the battery cells to be held in the accommodation space by the holding web, to thereby keep the battery cells in stable position against undesired vibration.

Since the thermally conductive acrylic sheet according to the embodiment is prepared from a thermally conductive acrylic composition containing a tackifying resin of a specific composition and a high content of an organic filler, it can have high adhesive strength with excellent thermal conductivity. Accordingly, the thermally conductive acrylic sheet according to the embodiment can be advantageously applied to various fields that require heat dissipation characteristics.

Since the thermally conductive acrylic sheet according to the embodiment is prepared from a thermally conductive acrylic composition containing a tackifying resin of a specific composition and a high content of an organic filler, it can have high adhesive strength with excellent thermal conductivity. Accordingly, the thermally conductive acrylic sheet according to the embodiment can be advantageously applied to various fields that require heat dissipation characteristics.

Provided are a battery, a power consumption device, a method and a device for producing a battery. The battery includes: a plurality of battery cells arranged along a first direction; a heat conducting member extending along the first direction and connected to a first wall of each battery cell in the plurality of battery cells, the first wall being a wall with the largest surface area in the battery cell, the heat conducting member being configured to conduct heat of the battery cell, and a surface of the heat conducting member connected to the first wall being an insulating surface; and where a dimension of the heat conducting member in a second direction is 0.1˜100 mm, and the second direction is perpendicular to the first wall. The technical solution of embodiments of the present application may enhance performance of the battery.

Provided are a battery, a power consumption device, a method and a device for producing a battery. The battery includes: a plurality of battery cells arranged along a first direction; a heat conducting member extending along the first direction and connected to a first wall of each battery cell in the plurality of battery cells, the first wall being a wall with the largest surface area in the battery cell, the heat conducting member being configured to conduct heat of the battery cell, and a surface of the heat conducting member connected to the first wall being an insulating surface; and where a dimension of the heat conducting member in a second direction is 0.1˜100 mm, and the second direction is perpendicular to the first wall. The technical solution of embodiments of the present application may enhance performance of the battery.

Provided are a battery, a power consumption device, a method and a device for producing a battery. The battery includes: a plurality of battery cells arranged along a first direction; a thermal management component extending along the first direction and being connected to a first wall of each battery cell among the plurality of battery cells, the first wall being a wall with a largest surface area of the battery cell, and the thermal management component being configured to adjust a temperature of the battery cell; and where in the second direction, a size H1 of the thermal management component and a size H2 of the first wall satisfy: 0.1≤H1/H2≤2, and the second direction is perpendicular to the first direction and parallel to the first wall.

A method for measuring a temperature of a coolant in a power module may include measuring a first temperature with a first temperature sensor and measuring a second temperature with a second temperature sensor. The method may include calculating a difference between the first temperature and second temperature, identifying one or more thermal resistances and one or more thermal capacitances with a thermal circuit corresponding to the power module and based on the calculated difference and at least one power loss in the power module. The method may further include determining the temperature of the coolant from the identified thermal resistances, thermal capacitances, the at least one power loss, and at least one of the two temperatures.

A battery module has a battery stack that includes a plurality of prismatic batteries and an inter-battery separator disposed between every two of the prismatic batteries adjacent to each other in an X direction along which the plurality of prismatic batteries is stacked. The inter-battery separator includes: a middle member having a plate shape; a first side plate-shaped member disposed on a first side of the middle member in the X direction and made of a material that is superior in thermal insulation to the middle member; and a second side plate-shaped member disposed on a second side of the middle member in the X direction and made of a material that is superior in thermal insulation to the middle member.

The present disclosure provides a heating control method and a heating control device. The heating control method includes: acquiring an average current value in a heating circuit of a power battery pack; calculating a current output value required for n.sup.th cycle according to an average current value of the n.sup.th cycle, an average current value of (n−1).sup.th cycle, an average current value of (n−2).sup.th cycle, a preset current value, n is equal to or greater than 3; outputting a PWM signal to a switch device of the heating circuit according to a pre-calibrated PWM control parameter corresponding to the current output value so that a difference between an actual current value in the heating circuit and the preset current value is less than a preset threshold.

The present disclosure provides a heating control method and a heating control device. The heating control method includes: acquiring an average current value in a heating circuit of a power battery pack; calculating a current output value required for n.sup.th cycle according to an average current value of the n.sup.th cycle, an average current value of (n−1).sup.th cycle, an average current value of (n−2).sup.th cycle, a preset current value, n is equal to or greater than 3; outputting a PWM signal to a switch device of the heating circuit according to a pre-calibrated PWM control parameter corresponding to the current output value so that a difference between an actual current value in the heating circuit and the preset current value is less than a preset threshold.