Abstract: A battery includes a battery cell having a first wall provided with a pressure relief mechanism configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated, a first fixing member disposed on a side of the fire-fighting pipeline close to the first wall and provided with first and second limiting parts, and a second fixing member disposed on a side of the fire-fighting pipeline away from the first wall and provided with third and fourth limiting parts. The third and first limiting parts match each other to fix the fire-fighting pipeline between the first and second fixing members. The fourth and second limiting parts match each other to limit the second fixing member in an extending direction of the fire-fighting pipeline.

Abstract: A battery, a powered device, and a method and device for preparing a battery are provided. In some embodiments, the battery includes: a first battery cell and a second battery cell, wherein a pressure relief mechanism of the first battery cell and a pressure relief mechanism of the second battery cell are arranged opposite to 5 each other in a first direction; a box body accommodating the first battery cell and the second battery cell; and a partition component configured to partition the first battery cell and the second battery cell in the first direction, wherein the partition component includes a first wall and a second wall arranged opposite to each other, the first wall is provided with a first through hole, the second wall is provided with a second through hole.

Abstract: A battery includes a battery cell including a pressure relief mechanism configured to be actuated to release an internal pressure when the internal pressure or a temperature of the battery cell reaches a threshold value, a firefighting pipeline configured to accommodate a fire extinguishing medium and configured to discharge the fire extinguishing medium when the pressure relief mechanism is actuated, and a fixing member arranged between the battery cell and the firefighting pipeline and configured to fix the firefighting pipeline. The fixing member is provided with a flow passage area and a flow guiding structure. The flow passage area is configured to cause the fire extinguishing medium to flow through the flow passage area to the battery cell when the pressure relief mechanism is actuated. The flow guiding structure is configured to guide the fire extinguishing medium towards the flow passage area when the pressure relief mechanism is actuated.

Abstract: Embodiments of the present application provide a case for a battery, a battery, a power consumption device, and a method and device for producing a battery. The case includes: a thermal management component configured to adjust temperature of a battery cell accommodated in the case; a first wall provided with a through hole, the through hole being configured to communicate a gas inside and outside the case; and a condensing component attached to the thermal management component, the condensing component being configured to shield the through hole so as to condense a gas flowing into the inside of the case through the through hole. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: 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.

Abstract: Embodiments of the present application provide a case for a battery, a battery, a power consumption device, and a method and device for producing a battery. The case includes: a thermal management component configured to adjust temperature of a battery cell accommodated in the case; a first wall provided with a through hole, the through hole being configured to communicate a gas inside and outside the case; and a heat conducting component attached to the thermal management component and the first wall, the heat conducting component being configured to conduct heat of the thermal management component to the first wall, so that the first wall condenses a gas flowing from the outside of the case to the inside of the case through the through hole. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: Embodiments of the present application relate to the technical field of batteries, and provide a water cooling assembly, a battery pack, and a device in order to solve the technical problem of low cooling efficiency of a cooling assembly of a battery pack. The water cooling assembly is configured to cool a cell, and includes: a body portion having a cooling channel for receiving a coolant; a first connecting portion connected to the body portion and having a communication cavity for introducing or draining the coolant; and a second connecting portion arranged between the body portion and the first connecting portion and having an inner cavity for communicating the cooling channel with the communication cavity. An end face of the inner cavity close to the cooling channel has a cross-sectional area greater than that of an end face of the communication cavity close to the inner cavity.

Abstract: A battery module is provided including a battery unit that includes a battery top cover; a temperature measurement unit, including a temperature collection element to collect temperature of the battery top cover; a harness plate, arranged on the battery top cover and including a harness plate body and a limiting structure arranged on the harness plate body, wherein the limiting structure is matched with the temperature measurement unit; a circuit board, arranged on the harness plate and including a circuit board body and an extending strip arranged on the circuit board body, wherein the temperature collection element is connected with the extending strip; and an electrical connecting sheet arranged on the harness plate to connect different battery units, wherein the temperature measurement unit is arranged between the electrical connecting sheet and the battery top cover, and the electrical connecting sheet exerts pressure onto the temperature measurement unit.

Abstract: A box body includes a carrying plate configured to carry a battery and a one-way gravity valve disposed at the carrying plate. The one-way gravity valve is configured to be closed in response to a gravity of liquid in the box body being less than a threshold, and to be open in response to the gravity of the liquid in the box body reaching the threshold.

Abstract: The present application relates to the technical field of batteries, and in particular to a current collector, an electrode sheet, an electrode assembly, a battery cell, a battery and an electric apparatus. The current collector includes: a support layer; and a conductive layer on at least one of two opposite sides of the support layer, where when the support layer is heated and shrinks, the conductive layer shrinks with the support layer to form a hole around a heated portion, the conductive layer includes a first conductive layer in contact with the support layer, and the first conductive layer is a granular conductive layer. On this basis, the safety performance can be improved.

Abstract: 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.

Abstract: Embodiments of the present application provide a battery, a power consumption device, and a method and device for producing a battery. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium toward the battery cell when the pressure relief mechanism is actuated; and an accommodating part configured to accommodate the fire-fighting medium discharged from the fire-fighting pipeline to lower a temperature of the battery cell. According to technical solutions of the embodiments of the present application, the safety of the battery could be enhanced.

Abstract: Provided are a battery, a power consumption device, a method for producing a battery, and a device. The battery includes: a plurality of battery cells arranged along a first direction and 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 thermal management component including a pair of heat conducting plates that are oppositely arranged along a second direction and a flow passage located between the pair of heat conducting plates, the flow passage being configured to accommodate a fluid to adjust temperatures of the battery cell, and the second direction being vertical to the first wall, where in the second direction, a thickness D of the heat conducting plate and a size H of the flow passage satisfy: 0.01?D/H?25. Technical solutions of embodiments of the present application could enhance performance of batteries.

Abstract: A battery includes a housing, and a beam structure and a group of cells which are arranged in the housing. The beam structure is fixed to the housing, and an accommodating space is formed in the beam structure. An external connecting wire of the group of cells is arranged in the accommodating space.

Abstract: Provided are a battery, a power consumption device, a method for producing a battery, and a device. The battery includes: a plurality of battery cells arranged along a first direction and 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 thermal management component including a pair of heat conducting plates that are oppositely arranged along a second direction and a flow passage located between the pair of heat conducting plates, the flow passage being configured to accommodate a fluid to adjust temperatures of the battery cell, and the second direction being vertical to the first wall, where in the second direction, a thickness D of the heat conducting plate and a size H of the flow passage satisfy: 0.01?D/H?25. Technical solutions of embodiments of the present application could enhance performance of batteries.

Abstract: Provided are a battery, an electric apparatus, and a method and an apparatus for manufacturing battery, so as to enhance safety performance of the battery. The battery includes: a battery cell, where a first wall of the battery cell is provided with a pressure relief mechanism; a firefighting pipe configured to accommodate a firefighting medium and discharge the firefighting medium when the pressure relief mechanism is actuated; and a fixing member disposed between the first wall and the firefighting pipe. The firefighting pipe includes a first restraint member, and the fixing member includes a second restraint member, where the two restraint members fit with each other to restrict the firefighting pipe in a first direction and a second direction, the first direction is perpendicular to the first wall, and the second direction is parallel to the first wall and perpendicular to an extending direction of the firefighting pipe.

Abstract: A connection structure includes a male connector, a female connector including a first clamping portion and a through hole for inserting the male connector, a marking member including a second clamping portion configured to be clamped with the first clamping portion, and a locking member installed on the female connector. The locking member is configured to move from a first position to a second position when an insertion depth of the male connector reaches a preset value, so as to lock the male connector and drive the second clamping portion to separate from the first clamping portion.

Abstract: Provided are a battery, comprising: a battery cell group comprising N battery cell rows arranged in a first direction, battery cells in each battery cell row being arranged in a second direction, the first direction being perpendicular to the second direction; a signal transmission assembly provided on the first face of the battery cell group and comprising a busbar component and an insulation layer, the busbar component being configured to be electrically connected to the battery cells at holes of the insulation layer; and a cooling system provided between two adjacent battery cell rows in the N battery cell rows, with a blocking member being provided at an opening, facing the first face, of a gap between the two adjacent battery cell rows to block the opening to prevent condensed liquid generated by the cooling system from reaching the busbar component.

Abstract: Provided are a case of a battery, a battery, a power consuming apparatus, and a method and apparatus for manufacturing a battery. The case is provided with at least two pressure balancing mechanisms, the pressure balancing mechanisms being used to balance the pressure inside and outside the case, and the at least two pressure balancing mechanisms being connected to a ventilation assembly at an outer side of the case, wherein a first ventilation assembly connected to a first pressure balancing mechanism in the at least two pressure balancing mechanisms is used to open the first pressure balancing mechanism to introduce air into the case, and a second ventilation assembly connected to a second pressure balancing mechanism in the at least two pressure balancing mechanisms is used to open the second pressure balancing mechanism so that the air in the case is discharged. According to some embodiments, the safety of the battery can be enhanced.

Abstract: Embodiments of the present application provide a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery. The battery comprises: a battery cell group comprising a plurality of battery cells; a cooling system provided on a first face of the battery cell group; a signal transmission assembly provided on a second face of the battery cell group that is adjacent to the first face and comprising a busbar component and an insulation layer, the insulation layer enclosing the busbar component, the insulation layer having holes, and the busbar component being configured to be electrically connected to the battery cells in the battery cell group at the holes; and a covering member for covering the signal transmission assembly to prevent condensed liquid generated by the cooling system from reaching the signal transmission assembly.