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.

Abstract: An energy storage device and an electric device are provided in the disclosure. The energy storage device includes a jelly roll assembly and a connector. The jelly roll assembly includes at least one jelly roll. Each of the at least one jelly roll has multiple tabs arranged in a thickness direction of the tabs after winding an electrode sheet. The jelly roll has a first side surface and a first end surface. The multiple tabs are bent at roots of the multiple tabs and attached to the first end surface. The multiple tabs have a connection surface away from the first end surface. The connector is disposed on the connection surface and connected with the multiple tabs. The jelly roll assembly further includes a first insulation patch. The first insulation patch adheres to and covers a surface of the connector away from the first end surface, and extends to the first side surface.

Abstract: A film plating machine and electroplating production line are provided. The film plating machine has a plating solution tank, conductive substrate film conveying devices and a power supply. A plating solution and an anode member are provided in the plating solution tank. The conductive substrate film conveying devices are provided at both sides of the plating solution tank and configured to clamp two opposite side edges of a horizontally-placed conductive substrate film and drive the conductive substrate film to horizontally enter and exit the plating solution tank in a first direction. A positive electrode of the power supply is electrically connected with the anode member, and a negative electrode of the power supply is electrically connected with the conductive substrate film through the conductive substrate film conveying devices.

Abstract: Disclosed are an end cover assembly, an energy storage apparatus and an electric device. The end cover assembly includes an end cover, a terminal assembly and a top adhesive sheet, and the end cover has a first surface and a second surface opposite to each other in the thickness direction thereof; the terminal assembly is disposed on the end cover; and the top adhesive sheet is attached to the first surface of the end cover, the top adhesive sheet is provided with a first opening through which the terminal assembly penetrates. According to the present application, the attaching difficulty of the top adhesive sheet on the end cover can be reduced, and the attaching efficiency is improved; and the size of the first opening is more reasonable, an insulation effect is ensured, a probability of foreign matter accumulation is reduced, and the use safety is improved.

Abstract: A battery pack and an electrical consumer are provided. The battery pack includes multiple battery cells, box, and a handle. The box includes a first housing and a second housing. The first housing and the second housing together define a first accommodation cavity and at least one second accommodation cavity, and each of the first housing and the second housing is provided with a first limiting portion at a top of each of the at least one second accommodation cavity. The handle includes a handle body, at least one connecting portion, and second limiting portions. The second limiting portions are connected with the handle body and/or the at least one connecting portion, the at least one connecting portion is disposed in the at least one second accommodation cavity respectively.

Abstract: Provided are a positive current collector, a preparation method thereof, a positive electrode sheet, a cell and a battery. The positive current collector. The positive current collector includes a substrate film and a functional layer arranged on a surface of the substrate film. The substrate film has a first surface and a second surface opposite to the first surface. The first surface has a first functional layer provided thereon, and the second surface has a second functional layer provided thereon. The first functional layer includes a bonding layer, a current conducting layer, and a protective layer that are stacked sequentially. The bonding layer is arranged on the first surface. The first functional layer is divided to have a first functional segment and a second functional segment in a direction parallel to the first surface. The first functional segment has a thickness greater than a thickness of the second functional segment.

Abstract: Provided are a conductive plating apparatus, a plating system and a plating method for a conductive film. The conductive plating apparatus is configured to electrically connect the conductive film with a power supply. A first conductive structure includes a first conductive roller and a first press roller. A second conductive structure includes a second conductive roller and a second press roller. The first and second conductive structures are configured to allow the conductive film to sequentially pass between the first conductive roller and the first press roller and between the second the conductive roller and the second press roller. The first and second press rollers are configured to be brought into contact with and apply pressures to two opposite surfaces of the conductive film, respectively, and to be equipotential. The second press roller and the first conductive roller are configured to be equipotential.

Abstract: Provided are a carbon-silicon three-dimensional structural composite material and a preparation method thereof. The preparation method includes: dissolving graphene quantum dots in ultrapure water, dropwise adding a CuCl2 or ZnCl2 solution, and performing oscillation to generate a mixed emulsifier; mixing the mixed emulsifier with a graphite oxide aqueous solution and a cyclohexane solution containing nanosilicon spheres, and performing homogenization to form a uniform oil-in-water emulsion; adding hydrazine hydrate into the obtained emulsion for reduction, and performing a hydrothermal reaction to obtain a reduced emulsion; and freeze-drying the reduced emulsion, performing washing with a washing liquid, and performing vacuum drying to obtain a carbon-silicon three-dimensional structural composite material.

Abstract: A battery box and a battery pack are provided. The battery box includes a box body, a cooling plate, and a stiffener. The cooling plate is connected with an outside of a wall plate of the box body, and the stiffener is connected with the box body and abuts against a side of the cooling plate away from the wall plate. The cooling plate is connected with the box body, the stiffener is connected with the box body, and the stiffener abuts against the side of the cooling plate away from the wall plate.

Abstract: The present disclosure discloses an energy storage device and electrical appliance. The energy storage device includes a housing, an electrode assembly, a top cover, a lower plastic member, a connecting plate and an insulating adhesive sheet, wherein the housing is provided with an opening; the electrode assembly is accommodated in the housing; the top cover covers the opening and is provided with a liquid injection hole; the lower plastic member is arranged on a side of the top cover close to the electrode assembly, and has an liquid injection hole, and the through hole is in communication with the liquid injection hole; the connecting plate is arranged on a side of the lower plastic member towards the electrode assembly; the insulating adhesive sheet is attached to a side of the connecting plate towards the electrode assembly and covers the connecting plate and the through hole.

Abstract: Provided are a coating device and a coating method for a non-uniform thickness current collector. The coating device includes a thickness sensor, an offset correction controller, and an offset correction mechanism. The thickness sensor is configured to detect an abrupt thickness change point on the non-uniform thickness current collector and output an abrupt change point signal. The offset correction controller is configured to receive the abrupt change point signal, compare the received abrupt change point signal with a predetermined abrupt thickness change point signal, determine whether the non-uniform thickness current collector is offset and what an offset direction is, and transmit an offset correction signal. The offset correction mechanism is configured to receive the offset correction signal and perform an offset correction action in a direction opposite to the offset direction. This coating device uses the coating method and can accurately coat the coating areas.

Abstract: A method for predicting a life includes the following. Obtain multiple cycle numbers of a battery and multiple capacity data corresponding to the cycle numbers. Obtain multiple sets of first fitting data by fitting the cycle numbers and the capacity data with a bi-exponential empirical model. Obtain multiple sets of second fitting data by fitting the cycle numbers and the capacity data with a box-cox transformation method. Determine a first capacity error according to the multiple sets of first fitting data and the multiple capacity data. Determine a second capacity error according to the multiple sets of second fitting data and the capacity data. Generate a battery-life prediction model according to the first capacity error, the second capacity error, the multiple sets of first fitting data, and the multiple sets of second fitting data. Determine an RUL of the battery according to a predetermined battery-capacity-value and the battery-life prediction model.

Abstract: A method for troubleshooting an abnormal sensor in an energy-storage apparatus, a terminal device, and storage medium are provided. The method may include the following. Feedback information sent by at least two sensors of at least one type is received according a preset period. Monitoring data are grouped according to a monitoring type. One monitoring type corresponds to one data set. Data screening is performed on a data inspecting group updated, and a target sensor is determined.

Abstract: A control method for an energy-storage apparatus, an energy-storage apparatus, and a storage medium are provided. The energy-storage apparatus supplies power to electrical devices, establishes a communication connection with a terminal bound to a target user, and includes a high-voltage box including a controller, and multiple energy-storage modules.

Abstract: A method for remotely solving thermal runaway and related products are provided in implementations of the disclosure. The method is applied to a user terminal in a system for remotely solving thermal runaway, and include the following. At least one monitoring datum transmitted by at least one monitoring terminal and related to at least one energy-storage device is received at a preset frequency. When at least one of the at least one monitoring datum is greater than a threshold, an energy-storage device related to the at least one of the at least one monitoring datum is determined as a target energy-storage device. An accident type of the target energy-storage device is determined according to the at least one of the at least one monitoring datum, a first prompt message is generated, and the first prompt message is presented to a user in multiple manners.