Abstract: This application provides a battery, an electric apparatus, and a method and a device for preparing battery, relating to the field of battery technologies. The battery includes a battery cell having an electrode terminal; a fire prevention pipeline, configured to accommodate a fire prevention medium; and a fastener, configured to fasten the fire prevention pipeline. The fastener is connected to the electrode terminal.

Abstract: A battery, a power consumption device, and a method and device for producing a battery are provided. The battery includes: a 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; and a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated; where the fire-fighting pipeline is covered with an isolation layer, and the isolation layer is configured to block the contact of gases and the fire-fighting pipeline so as not to generate condensate. In a battery provided by the present application the fire-fighting pipeline is covered with an isolation layer, and the isolation layer may be configured to reduce the influence of the condensate on the battery and improving the safety of the battery.

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 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: 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: 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: 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, 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 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 may include: a battery cell, where a pressure relief structure may be provided on a first wall of the battery cell; a fire-extinguishing pipeline to accommodate a fire-extinguishing medium, and the fire-extinguishing pipeline may be configured to discharge the fire-extinguishing medium during actuation of the pressure relief structure; a first fastener, where the first fastener may be fastened to a surface of the first wall of the battery cell away from the interior of the battery cell, and the first fastener may be provided with a first limiting portion; and a second fastener, where the second fastener may be provided on a side of the first fastener away from the battery cell, the second fastener may be provided with a second limiting portion, and the second limiting portion may cooperate with the first limiting portion to fasten the fire-extinguishing pipeline between the first fastener and the second fastener.

Abstract: A battery includes multiple battery cells arranged in a first direction and each provided with a pressure relief mechanism configured to be actuated when the internal pressure or temperature of the battery cell reaches a threshold to relieve the internal pressure, a fire-extinguishing pipe configured to accommodate a fire-extinguishing medium and to release the fire-extinguishing medium during actuation of the pressure relief mechanism, a restraining member disposed at an end of the multiple battery cells along the first direction and configured to restrain the multiple battery cells in the first direction, and a fastener attached to a surface of the restraining member facing toward the fire-extinguishing pipe and configured to fasten the fire-extinguishing pipe.

Abstract: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.

Abstract: This application provides a battery, an electric apparatus, and a method and a device for preparing battery, relating to the field of battery technologies. The battery includes a battery cell having an electrode terminal; a fire prevention pipeline, configured to accommodate a fire prevention medium; and a fastener, configured to fasten the fire prevention pipeline. The fastener is connected to the electrode terminal.

Abstract: A battery includes a battery cell, a box configured to accommodate the battery cell, a pipe configured to condense a gas inside the box to form a condensate, and a liquid collecting member provided between the battery cell and the pipe. The liquid collecting member is provided with an accommodating portion facing the pipe, and the accommodating portion is configured to collect the condensate.

Abstract: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.

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: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.

Abstract: A battery includes a battery cell, a fire prevention chamber, a collection chamber, and an isolation member. The battery cell includes a pressure relief mechanism configured to actuate release of internal pressure of the battery cell in response to the internal pressure or internal temperature of the battery cell reaching a threshold. The fire prevention chamber is configured to accommodate a fire prevention medium and constructed to release the fire prevention medium during actuation of the pressure relief mechanism. The collection chamber is located at a side of the fire prevention chamber farther away from the battery cell and configured to collect emissions from the battery cell during actuation of the pressure relief mechanism. The isolation member is configured to isolate the fire prevention chamber from the collection chamber and constructed to allow passage of the emissions during actuation of the pressure relief mechanism.

Abstract: A battery includes a battery cell provided with a pressure relief mechanism configured to be actuated in response to internal pressure or temperature in the battery cell reaching a threshold to release the internal pressure, a collection pipe configured to accommodate a firefighting medium, and a firefighting pipe configured to connect to the collection pipe to allow the firefighting medium to be fed to the firefighting pipe. The firefighting pipe is configured to discharge the firefighting medium toward the battery cell in response to the pressure relief mechanism being actuated. Two ends of the firefighting pipe are a first end and a second end respectively. The first end is configured to connect to the collection pipe to allow the firefighting medium to enter the firefighting pipe through the first end, and the second end is closed.