Abstract: A lower plastic assembly, an energy storage apparatus, and an electric device are provided in the disclosure. The lower plastic assembly includes a first lower plastic member. The first lower plastic member includes a first-lower-plastic-member body. The first-lower-plastic-member body further has a first upper surface and a first lower surface. The first upper surface is opposite to the first lower surface. The first-lower-plastic-member body defines a first liquid-injection through-hole. The first liquid-injection through-hole extends through the first-lower-plastic-member body and is located at one end of the first-lower-plastic-member body. A cutout is defined at one side of the first liquid-injection through-hole and is in direct communication with the first liquid-injection through-hole, and the cutout extends through the first upper surface and the first lower surface.

Abstract: The present disclosure provides fire-protection detecting method and device, applied to a container-type energy storage system. The method includes: obtaining first sampling data, second sampling data, and third sampling data; determining a first sampling temperature based on the first sampling data, and determining whether a risk event has occurred in the container-type energy storage system based on the first sampling temperature; if it is determined that the risk event has occurred, determining whether the target lithium battery cluster has caught fire based on the second sampling data and/or the third sampling data; if it is determined that the target lithium battery cluster has caught fire, calling the fire-protection system to extinguish fire and sending a first prompt message to the terminal device to prompt that the target lithium battery cluster has caught fire; determining whether to shut down the fire-protection system based on the updated first sampling data.

Abstract: The present application discloses an energy storage device and an electrical equipment. The energy storage device includes: a first lower plastic member, a second lower plastic member, a positive terminal, a negative terminal, a positive connector and a negative connector. The first lower plastic member and the second lower plastic member are provided at intervals. An end of the first lower plastic member facing the second lower plastic member is provided with an explosion-proof net. An end of the second lower plastic member facing the first lower plastic member is provided with a protrusion. The explosion-proof net and the protrusion protrude toward a same side. A first mounting hole is formed on the first lower plastic member, and a second mounting hole is formed on the second lower plastic member.

Abstract: Embodiments of the present application provide a fire-protection system and method for a container-type energy storage device and a storage medium, where the system includes at least one detector module, a data prediction apparatus and a fire-protection host of the container-type energy storage device, and the data prediction apparatus is communicatively connected to the at least one detector module and the fire-protection host of the container-type energy storage device, respectively.

Abstract: A cell includes an electrolyte, a positive electrode sheet, a separator, and a negative electrode sheet. The electrolyte includes a cyclic organic solvent and a linear organic solvent. The electrolyte has a conductivity ? satisfying: ?=k?×?2+kviscosity×?0?kconductivity, where ? represents a mass ratio of the cyclic organic solvent to the linear organic solvent in the electrolyte, k? is a constant for ?, ?3.1?k???2.5, kviscosity represents a constant for a viscosity of the electrolyte, 4.6?kviscosity??5.8, kconductivity represents a correction coefficient for the conductivity of the electrolyte, 0.16?kconductivity?0.39, and ?0 represents a viscosity of the electrolyte at 25° C. The positive electrode sheet, the separator, and the negative electrode sheet are all at least partially immersed in the electrolyte. The separator is located between the negative and positive electrode sheets.

Abstract: An energy storage device includes a current collecting member. The current collecting member includes an adapter and an insulator, the adapter includes a first connecting portion, a fuse portion, and a second connecting portion, and the ratio of the width of the fuse portion to the width of the first connecting portion is in a range from ? to ?. The first connecting portion is provided with first corners, and the second connecting portion is provided with second corners. The insulator is provided with a first protective portion, a second protective portion and a third protective portion. The first protective portion covers the first corners, the second protective portion covers the second corners, the third protective portion covers a first surface of the fuse portion of the adapter, and a second surface of the fuse portion is at least partially exposed from the insulator.

Abstract: The present disclosure provides a liquid cooling plate and battery pack. The liquid cooling plate is formed with a receiving space. The liquid cooling plate includes a first cooling plate and a second cooling plate. The second cooling plate is stacked on a side of the first cooling plate facing the receiving space and is connected to the first cooling plate in a sealed manner. A cooling flow passage surrounding the receiving space is formed between the second cooling plate and the first cooling plate.

Abstract: Disclosed in the present application are energy storage cabinet (100) and energy storage device. The energy storage cabinet (100) includes: a plurality of columns (1), the plurality of columns (1) being arranged at intervals; a plurality of beams (2), each of the beams (2) being connected between two adjacent columns (1), the plurality of columns (1) and the plurality of beams (2) jointly enclose to form an accommodating space (10); and a plurality of lifting assemblies (3), the plurality of lifting assemblies (3) being connected to the plurality of columns (1) respectively, the lifting assembly (3) includes a lifting plate (31), the lifting plate (31) is provided with a lifting hole (311), the lifting hole (311) is used to be hooked by a hook of a lifting machine to lift the energy storage cabinet (100).

Abstract: A top patch, an energy-storage apparatus, and an electricity-consumption device are provided. The top patch is configured to be attached to the energy-storage apparatus and defines a first pole through-hole and a first elongated hole in a length direction of the top patch, the first elongated hole includes two side walls arranged opposite to each other in a width direction of the top patch, and each of the two side walls is provided with an extension bump; the first elongated hole on one side of the extension bump forms a first explosion-proof valve through-hole, and the first elongated hole on the other side of the extension bump forms a second pole through-hole, and the first pole through-hole is located between the second pole through-hole and the first explosion-proof valve through-hole, and the connecting through-hole communicates with the second pole through-hole and the first explosion-proof valve through-hole.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. The end cover assembly includes an end cover, an insulating member, a positive pole, a negative pole, a first connecting member, and a second connecting member. The insulating member and the end cover are stacked in a first direction. The insulating member includes a first separate member, a second separate member, a third separate member, and a fourth separate member. The third separate member, the first separate member, and the second separate member cooperatively define a first accommodating space. The fourth separate member, the first separate member, and the second separate member cooperatively define a second accommodating space. The positive pole penetrates through the third separate member and the end cover. The negative pole penetrates through the fourth separate member and the end cover.

Abstract: A linkage control system and a linkage control method for battery clusters are provided in the disclosure. In the system, when thermal runaway occurs in a certain battery cluster, in the condition that an inhibitor in an isolation-and-suppression device in the battery cluster is in a normal state, the control host can suppress thermal runaway of the battery cluster by the inhibitor in the isolation-and-suppression device. In the condition that the inhibitor in the isolation-and-suppression device is in an abnormal state, the control host can determine, from adjacent battery clusters, a battery cluster capable of supporting an inhibitor, to solve thermal runaway by the inhibitor in the isolation-and-suppression device in the battery cluster.

Abstract: The present disclosure provides a liquid cooling plate and a battery pack. The liquid cooling plate includes a first cooling plate, a second cooling plate and at least one reinforcement member. The first cooling plate includes a first bent part. The second cooling plate is arranged side by side with the first cooling plate and is connected with the first cooling plate in a sealed manner. A cooling flow passage is formed between the second cooling plate and the first cooling plate. The second cooling plate includes a second bent part, and the second bent part corresponds to the first bent part. The at least one reinforcement member is disposed in the cooling flow passage between the first bent part and the second bent part.

Abstract: The present application discloses a battery end cover assembly, an energy storage apparatus and an electric device. The battery end cover assembly includes an end cover; terminal assemblies connected to the end cover; and a pressure relief mechanism disposed on the end cover, wherein the area of a figure formed by an outer contour of the end cover is a first area S1, the area of a projection of the pressure relief mechanism on the end cover is a second area S2, and the second area S2 accounts for 0.5% to 5% of the first area S1. According to the present application, the probability of untimely pressure relief is reduced, and the safety of a battery is improved. Moreover, the overall structural strength of the battery end cover assembly can be guaranteed, and the probability that the pressure relief mechanism falls off to be invalid is reduced.

Abstract: A heating sheet and a battery module are provided. The battery module includes multiple battery cells and a heating sheet. The heating sheet includes multiple heating units and multiple connection units, and two adjacent heating units are coupled with each other through a connection unit. One heating unit may be attached to a side wall of one battery cell, and the connection unit corresponds to the gap region.

Abstract: A cover plate assembly, a battery, and a method for assembling a battery are provided. The cover plate assembly includes a cover plate, a pole, and an explosion-proof assembly. The cover plate includes a cover plate body and a carrier portion. The cover plate body is disposed around an external periphery of the carrier portion. The carrier portion is recessed from a first surface of the cover plate body. The carrier portion and the cover plate body cooperatively define a first recess communicating with a first through hole defined by the carrier portion. The pole is disposed in the first recess. The pole abuts against the carrier portion. The explosion-proof assembly includes an explosion-proof valve and a protective sheet. The explosion-proof valve and the protective sheet are disposed in a second through hole defined by the pole. The explosion-proof valve is spaced apart from the protective sheet.

Abstract: A fixing assembly for a battery module and a battery pack are provided. The fixing assembly for the battery module includes an end plate, a fixing member, and a first band. The end plate is provided with a limiting member protruding from a surface of the end plate. The fixing member is configured to connect multiple battery modules and abut against the surface of the end plate provided with the limiting member, such that the fixing member, the limiting member, and the end plate can cooperatively define a positioning region. The first band is configured to abut against the surface of the end plate provided with the limiting member to bind the battery module. The first band abuts against the positioning region, such that the fixing member and the limiting member can cooperatively abut against the first band.

Abstract: The present disclosure discloses an end cover assembly, an energy storage device and electrical equipment. The end cover assembly includes an end cover provided with an outlet hole penetrating therethrough, an electrode terminal arranged on one side of the end cover, a sealing member including a first sealing portion and a plastic member including a first plastic portion. A projection, on the end cover of the electrode terminal along a thickness direction of the end cover covers the outlet hole, and a first gap surrounding the outlet hole is formed between the electrode terminal and the end cover. The first sealing portion fills one side of the first gap close to the outlet hole. The first plastic portion fills one side of the first gap away from the outlet hole; and a second gap is formed between the first sealing portion and the first plastic portion.

Abstract: An adapter assembly, an energy storage device and a power consuming apparatus are provided. The adapter assembly includes an adapter and a limiting member. The adapter includes a first connecting portion, a second connecting portion, and a bendable connecting portion connected between the first connecting portion and the second connecting portion. The limiting member is located between the first connecting portion and the second connecting portion foldable with respect to each other, and is insulated from the adapter. The limiting member has a limiting face configured to abut against the bendable connecting portion, and the bendable connecting portion is configured to rotate and bend around the limiting face.

Abstract: A method for fault diagnosis and a computer device are provided. The method is applied to a battery management system of the energy storage system and includes the following. A first thermal-runaway parameter detected by a first detection apparatus and a second thermal-runaway parameter detected by a second detection apparatus are obtained. A difference between the first thermal-runaway parameter and the second thermal-runaway parameter is calculated. Determine that at least one of the first detection apparatus or the second detection apparatus fails, when the difference is greater than a difference threshold. Determine that a battery module fails, when the first thermal-runaway parameter is greater than a first threshold, the second thermal-runaway parameter is greater than a second threshold, and the difference is less than or equal to the difference threshold.

Abstract: Provided are a material conveying device and a material processing apparatus. The material conveying device includes a frame and a plurality of conveying mechanisms sequentially arranged in a conveying direction of a material. An output end of each of the plurality of conveying mechanisms is connected to an input end of an adjacent conveying mechanism. Each of the plurality of conveying mechanisms includes a plurality of rollers each rotatably connected to the frame, and a driver in a transmission connection with one of the plurality of rollers to drive the one of the plurality of first rollers to rotate. Each conveying mechanism is driven by a separate driver. A speed of the material on different conveying mechanisms can be controlled by adjusting a direction and a magnitude of torque outputted by the driver.