Abstract: An electrode plate includes a current collector and an active substance layer. The current collector includes a conductive layer. In a thickness direction of the electrode plate, the active substance layer is provided on at least one side of the conductive layer. The conductive layer has a coating portion, the active substance layer is provided on the coating portion, and a melting point of at least part of the coating portion is less than or equal to 300° C. A melting point of at least part of the conductive layer is low, so that when the inside of the battery cell short-circuits in this part, this part of the conductive layer can fuse to disconnect the inside of the battery cell, or after this part fuses, the current flow capacity of part of the conductive layer can be reduced.

Abstract: An energy storage apparatus and a container therefor. The container comprises a box body and battery cells. The battery cells are accommodated in the box body. The dimension of the container in the length direction and the dimension thereof in the width direction are respectively consistent with the dimensions of a standard container, and the dimension h of the container in the height direction is smaller than the dimension H of one standard container in the height direction of the container.

Abstract: An energy storage apparatus comprises containers. There are m containers, where m?2, and the m containers are arranged in the direction of height of the containers. The size of each container in the direction of length thereof is consistent with the size of a standard container in the direction of length thereof, the size of each container in the direction of width thereof is consistent with the size of a standard container in the direction of width thereof, the size of each container in the direction of height thereof is smaller than the size of a standard container in the direction of height thereof, and the sum of the sizes of ml adjacent containers among the m containers in the direction of height thereof is equal to the sum of the sizes of n standard containers in the direction of height thereof.

Abstract: A container, an energy storage apparatus, an energy storage device, an energy storage system, and a charging network. The energy storage apparatus includes containers; and m containers are provided, where m?2, the m containers are arranged in a height direction of the container, a size of the container in a length direction thereof is consistent with a size of a standard container in the length direction, a size of the container in a width direction thereof is consistent with a size of the standard container in the width direction, a size of one container in the height direction is less than a size of the standard container in the height direction, and a sum of sizes of m1 adjacent containers in the m containers in the height direction is equal to a sum of sizes of n standard containers in the height direction. .

Abstract: A battery cell, a battery, and a power-consuming apparatus are provided. The battery cell includes a housing, terminal-post bodies, and a terminal-post cover plate. The housing defines an accommodating cavity and includes mounting holes through which the terminal-post bodies extend. Each terminal-post body has an abutting portion positioned outside the housing, and a sink groove at an end opposite the cavity. The sink groove is located closer to the central axis of the mounting hole than the abutting portion. The terminal-post cover plate covers the terminal-post bodies and includes connection portions that engage the terminal-post bodies at the sink grooves. Each connection portion is connected to the part of the terminal-post body located at the sink groove on the cavity side and is spaced from a groove wall near the abutting portion. This structure helps improve assembly reliability and electrical performance.

Abstract: The battery cell includes: a housing, the housing having an accommodation cavity having a first wall and a second wall oppositely arranged in a first direction, and the first wall being provided with an explosion-proof valve; and an air guide plate, the air guide plate being disposed in the accommodation cavity and located between the first wall and the second wall, the air guide plate having an air guide channel and a vent hole, the air guide channel extending along the first direction, and the air guide channel communicating with the accommodation cavity outside the air guide channel through the vent hole. The battery cell can provide a relatively large discharge space for the gas generated during the cycling process of the battery cell, and reduce the probability of thermal runaway of the battery cell and the risk of a weld seam of the housing cracking caused by excessive pressure.

Abstract: A marking system, method and apparatus, and a battery assembly tool are disclosed. The marking method is applied to a controller of the marking system. The marking system further includes: a robot and a marking apparatus, and a marking mechanism in the marking apparatus is arranged on the robot; the marking method includes: acquiring a to-be-marked result data set, the to-be-marked result data set including a position of a to-be-marked point; and based on the position of the to-be-marked point, controlling the robot to drive the marking mechanism in the marking apparatus to reach the to-be-marked point, so as to control the marking mechanism through the robot to mark the to-be-marked point.

Abstract: A method of filling a via having a necking point includes performing a pre-clean process to remove residues from an exposed surface of a metal layer at a bottom of a via and recover inner surfaces of the via, wherein the via is formed within a dielectric layer and has a necking point protruding within the via, performing a selective deposition process to partially fill the via with metal fill material from the exposed surface of the metal layer below the necking point, performing a liner deposition process to form a liner layer on exposed inner surfaces of the via, and performing a metal fill process to fill the via with the metal fill material.

Abstract: A battery cell, a battery, and an electric device are disclosed. The battery cell includes a housing and a pressure relief component; the housing includes a first wall portion, and the pressure relief component is arranged on the first wall portion. The pressure relief component is provided with a first groove. The first groove is recessed from a first surface in a thickness direction of the first wall portion towards a second surface. The first groove defines at least one predetermined pressure relief area. The pressure relief component is configured to be capable of cracking along at least a portion of the first groove when the battery cell relieves pressure; where a sum S1 of areas of all the predetermined pressure relief areas is 0.03 to 0.3 times an area S2 of the first surface.

Abstract: This application discloses a random access control method and apparatus, a communication device, and a storage medium, and pertains to the field of communication technologies. The random access control method in embodiments of this application includes: receiving, by a first communication device, first information; and performing, by the first communication device, random access based on the first information. The first information includes first configuration information or first control information. The first configuration information is used to indicate configuration information of random access. The first control information is used to trigger the first communication device to initiate random access, or is used to initiate an inventory process.

Abstract: A battery processing device and a processing method. The battery processing device includes a material conveying assembly, a pairing assembly, and a welding assembly. The material conveying assembly is configured to convey a first electrode assembly and a second electrode assembly, where the first electrode assembly and the second electrode assembly each include an electrode main body and a tab part disposed on the electrode main body. The pairing assembly is configured to pair the first electrode assembly and the second electrode assembly such that the electrode main body of the first electrode assembly and the electrode main body of the second electrode assembly are stacked on each other. The welding assembly is configured to weld the tab part of the paired first electrode assembly and the tab part of the paired second electrode assembly.

Abstract: A transmission resource determining method includes determining, by a terminal, a frequency domain resource of a Physical Uplink Control Channel (PUCCH) according to a subband combination, where frequency-hopping transmission is applied to PUCCH transmission; and performing, by the terminal, frequency-hopping transmission on first and second hop resources corresponding to the subband combination associated with a current symbol of the PUCCH. A corresponding first hop resource and a corresponding second hop resource are separately configured, by a network side device for each subband combination. The determining a frequency domain resource of a PUCCH further includes: determining a type of each subband of the subband combination according to subband type information on symbols of the PUCCH; and determining the frequency domain resource of the PUCCH according to the type of each subband of the subband combination, where each symbol of the PUCCH is associated with a respective subband combination.

Abstract: In an abnormality recognition method, first-stage feature extraction is performed on a first image of an object to obtain a basic visual feature of the object. A first standard visual feature, which has a feature similarity to the basic visual feature that is greater than or equal to a preset threshold, is obtained by performing feature extraction on a second image belonging to a target object type. Second-stage feature extraction is performed on the first image based on target guidance information matching the target object type, to obtain a second visual feature. A comparison result is obtained by comparing the second visual feature with the first or a second standard visual feature of the second image. The second standard visual feature is obtained by performing the second-stage feature extraction on the second image. An abnormality recognition result of the first image is determined based on the comparison result.

Abstract: A charging method and apparatus, a charging management device, and a computer-readable storage medium are described. The method includes: acquiring a temperature of a battery to be charged; acquiring activation energy data of the battery to be charged; determining a charge cut-off voltage according to the temperature and the activation energy data; and charging the battery to be charged and controlling a maximum charging voltage of the battery to be charged to be less than or equal to the charge cut-off voltage. By using the method, an accuracy of the determined charge cut-off voltage can be improved, thereby enhancing the battery endurance and improving the user experience.

Abstract: Disclosed in embodiments of the present application are a battery cell, a battery and an electric device. The battery cell comprises: an electrode assembly, the electrode assembly comprising a negative electrode sheet, the negative electrode sheet comprising a negative electrode active material from/into which metal ions can be reversibly deintercalated/intercalated, and the negative electrode active material comprising a silicon-based material; and a casing used for accommodating the electrode assembly, the tensile strength of at least partial area of the casing at the temperature of 25° C. being Rm, and Rm meeting: 250 MPa?Rm?2000 MPa. According to the battery cell, the battery and the electric device in the embodiments of the present application, the reliability of the battery cell can be improved.

Abstract: A bottom support apparatus, a grabbing device, a production line, and a method for replacing the type of a bottom support apparatus. The bottom support apparatus comprises a plurality of mounting units, a bottom support set, and a plurality of type-replacing mechanisms. Each mounting unit comprises two mounting platforms spaced apart along a first direction, and the plurality of mounting units are spaced apart along a second direction. The bottom support set comprises a plurality of bottom support boards. The plurality of bottom support boards are spaced apart along the second direction, and each bottom support board corresponds to the two mounting platforms of one of the mounting units. Two ends of each bottom support board along the first direction are each detachably connected to one of the type-replacing mechanisms. The type-replacing mechanisms are detachably connected to the mounting platforms. The first direction is perpendicular to the second direction.

Abstract: A battery cell includes a battery cell assembly and an outer packaging. The battery cell assembly includes a positive electrode plate, an active material coating is provided on the positive electrode plate, and the active material coating includes a sodium-containing copper-based layered oxide. The outer packaging is configured to encapsulate the battery cell assembly, an air-permeable member is provided on the outer packaging, the air permeability of the air-permeable member is equal to or greater than the maximum required gas venting volume of the battery cell per unit of total cycle time, and the maximum required gas venting volume of the battery cell per unit of total cycle time is obtained by conversion based on the volume of carbon dioxide generated due to oxygen release caused by Cu—O bond breakage in the sodium-containing copper-based layered oxide.

Abstract: A casing, a battery cell, a battery, and an electrical apparatus. An opening is formed in the casing; the casing comprises a first wall and at least one second wall that are opposite to the opening, and the first wall and the second wall intersect with each other; the first wall and the second wall are connected by a first fillet, and the inner diameter r1 of the first fillet and the minimum thickness T2 of the second wall with the minimum thickness among the at least one second wall satisfy: 2.0?r1/T2?30; the yield strength of the casing at the temperature of 25° C. is Re, wherein Re satisfies: 140 MPa?Re?1000 MPa.

Abstract: A control method includes: sending, by a robot, a first photographing request to a stand camera; obtaining, by the stand camera in response to the first photographing request, first image data containing to-be-gripped cells, and determining a gripping position for a target column of cells among the to-be-gripped cells and a photographing position for the target column of cells; moving, by the robot, to the photographing position and sending a second photographing request to a gripper camera, to obtain second image data; determining, based on the second image data, arrangement parameters for the target column of cells, and sending the arrangement parameters to the robot; and moving, by the robot, to the gripping position, adjusting a gripping angle based on the arrangement parameters, and controlling a cell gripping apparatus to firmly clamp the target column of cells, to complete gripping.

Abstract: A cup holder dust removal mechanism and a battery production line. The cup holder dust removal mechanism includes a conveyor line, a box, a transfer apparatus, a blowing apparatus, and an extraction apparatus. The conveyor line passes through the box, the transfer apparatus, the blowing apparatus, and the extraction apparatus are mounted on the box, the transfer apparatus includes a transfer track, the transfer track includes an inlet section, an outlet section, and a working section located between the inlet section and the outlet section, an inlet of the inlet section and an outlet of the outlet section are both docked with the conveyor line, in a vertical direction, at least part of a projection of the working section does not overlap with a projection of the conveyor line, the blowing apparatus includes a blowing nozzle, and the extraction apparatus includes an extraction end.