Abstract: A visual inspection system includes: a visual calibration apparatus, including a calibration member and a calibration member moving apparatus, where the calibration member moving apparatus includes a movable mounting plate, the mounting plate is able to be located at a calibration position within a movement range of the mounting plate, the calibration position is located within an inspection range of a visual inspection apparatus, and the calibration member is disposed on the mounting plate; the visual inspection apparatus, configured to obtain an image of the calibration member and send the image of the calibration member to an upper computer, and the upper computer, configured to determine, based on the image of the calibration member, a systematic calibration result of the visual inspection apparatus.

Abstract: The present disclosure discloses a testing system, a battery production line, and a testing method. The testing system includes a control device and a test device. The test device includes at least two probe card adjustment assemblies. The control device is connected to the test device and configured to adjust the probe card adjustment assemblies according to an adjustment strategy, and drive the adjusted probe card adjustment assemblies to test the battery module currently to be tested. The adjustment strategy is determined based on current module information corresponding to the battery module and historical module information. The historical module information is the module information of a battery module tested last time. The technical solution provided by the embodiments of the present disclosure can quickly adjust the probe card adjustment assemblies to adapt to different battery modules.

Abstract: A battery pack fastening system and a method for using same, and a battery pack production method are disclosed. The battery pack fastening system includes an operating platform, a fastening assembly, a driving assembly and a control module. The operating platform includes a lifting mechanism and a tray. The fastening assembly includes a fastening component, a marking component and an image capture component. The fastening assembly is mounted to a free end of the driving assembly, and the driving assembly is configured to drive the fastening assembly to move. The driving assembly and the image capture component are both electrically coupled to the control module, and the control module can form a visual guide for the movement of the driving assembly based on the image, so as to move the fastening assembly to a position corresponding to the fastener to complete fastening and marking of the fastener.

Abstract: Embodiments of the present disclosure provide a quick-change platform, a battery production line and a control method. The quick-change platform includes a tray set. In a first pick-and-place state, the tray set is located in a first pick-and-place position, so as to enable the tray set to receive the target objects removed from a battery module clamp, or enable a battery module transport apparatus to pick the target objects placed on the tray set. In a second pick-and-place state, the tray set is located in a second pick-and-place position, so as to remove the target objects on the tray set, or place the target objects on the tray set.

Abstract: The present disclosure relates to the field of battery technology, and discloses battery test tooling, and a use method and a control method for battery test tooling. The battery test tooling can improve the versatility of the battery test tooling. The battery test tooling comprises: a bracket, at least two sets of driving assemblies, and pressing members, wherein the driving assemblies are mounted on the bracket; and each set of driving assembly is provided with the pressing member, a pressing face on the pressing member that is away from the bracket being used to abut against a battery to be tested; and each of the pressing members is movable in a direction away from or approaching the bracket under the drive of the driving assembly. The battery test tooling provided in the present application is used to test the battery to be tested.

Abstract: The present application provides a battery module, an apparatus, a battery pack, and a method and device for manufacturing the battery module. The battery module includes: a first-type battery cell and a second-type battery cell, which are connected in series, the first-type battery cell and the second-type battery cell are battery cells of different chemical system, and the volume energy density of the first-type battery cell is less than the volume energy density of the second-type battery cell; and the capacity Cap1 of the first-type battery cell is greater than the capacity Cap2 of the second-type battery cell. While ensuring the safety performance of the battery module, the service life and the energy throughput of the battery module are effectively improved.

Abstract: A parallel burning system and method are disclosed. The system includes a master host computer, a plurality of slave host computers, and a plurality of burning modules; the master host computer is connected to the plurality of slave host computers. The plurality of slave host computers are connected one to one with the plurality of burning modules, constituting a plurality of burning channels. The plurality of burning modules are connected to a plurality of products to be burned by using different communication modes. The master host computer is used to call the plurality of slave host computers, transmit multiple pieces of burning data corresponding to the plurality of products to be burned to the plurality of burning modules via the plurality of burning channels, and burn the multiple pieces of burning data in parallel by means of the plurality of burning modules to the plurality of products to be burned.

Abstract: A heat-resistant protective member and a battery are disclosed. The heat-resistant protective member includes a compound layer, and the compound layer includes a fiber matrix and a resin. The resin is dispersed in pores of the fiber matrix and/or a surface of the fiber matrix, and a volume proportion of the fiber matrix in the compound layer is 50% to 75%. In this way, the thermal shock when a battery cell is ignited and exploded can be resisted, and the structural integrity can still be maintained without being broken through under the thermal shock, thereby providing effective heat insulation and protection for a battery pack.

Abstract: The present application relates to a positive electrode plate and an electrochemical device. The positive electrode plate comprises a metal current collector, a positive active material layer and a safety coating disposed between the metal current collector and the positive active material layer, the safety coating comprising a polymer matrix, a conductive material and an inorganic filler wherein the polymer matrix is a fluorinated polyolefin and/or chlorinated polyolefin polymer matrix, wherein based on the total weight of the safety coating, the polymer matrix is present in a weight percentage of 35-75% by weight, the conductive material is present in a weight percentage of 5-25% by weight and the inorganic filler is present in a weight percentage of 10-60% by weight, and wherein the metal current collector has an elongation at break ? fulfilling 0.8%???4%.

Abstract: A wound electrode assembly, a battery cell, a battery, a power consuming device, and a winding apparatus are disclosed. The wound electrode assembly includes: an electrode plate; and a separator attached to the electrode plate and located in a bent region of the electrode plate, the separator losing viscosity between the separator and the electrode plate within a preset time. With the solution described hereine performance of the battery can be improved.

Abstract: Disclosed are an electrode, a preparation method therefor, a battery, and a power consuming device. The electrode according to an embodiment of the present application comprises a current collector and active layers bonded to the current collector, wherein the active layers include a first active layer and a second active layer, the first active layer is bonded to the current collector, the second active layer is bonded to the surface of the first active layer that faces away from the current collector, and the second active layer has a porosity lager than that of the first active layer. The electrode has a high energy density and structural stability and an excellent cycling performance, resulting in a safe battery. The method for preparing an electrode as disclosed results in an electrode with a stable structure and electrochemical performance, and a high efficiency, while saving the production cost.

Abstract: The present application provides a negative electrode plate and the method for preparing the same, a secondary battery, and an electrical device. The negative electrode plate includes a negative electrode current collector, and a negative electrode film layer arranged on at least one surface of the negative electrode current collector, wherein the negative electrode film layer comprises infiltrating cavity which opens in a direction away from the negative electrode current collector and extend in a first direction; and wherein the negative electrode film layer has a dimension in the first direction denoted as A in ?m, the infiltrating cavity has a dimension in the first direction denoted as A1 in ?m, and the negative electrode plate satisfies 0.1?A1/A?1, and optionally, 0.2?A1/A?1.

Abstract: A power storage device includes: a stack formed of a plurality of battery cells arrayed in an X direction (array direction); a smoke exhaust duct placed on the stack and extending in the X direction; a bus bar module including a plurality of bus bars connected to the stack; and a sponge (elastic body) placed on the smoke exhaust duct. The bus bar module covers at least a part of the smoke exhaust duct. The sponge is placed between the bus bar module and the smoke exhaust duct.

Abstract: An electrode plate manufacturing device and an electrode plate manufacturing method are provided. The electrode plate manufacturing device includes an extrusion mechanism, a film forming mechanism and a combination mechanism. The extrusion mechanism is used to extrude out the active material slurry to form a blank. The film forming mechanism is provided downstream of the extrusion mechanism, and the film forming mechanism is used to thin the blank to form a film. The combination mechanism is provided downstream of the film forming mechanism, and the combination mechanism is used to combine the film and a substrate to form an electrode plate. The electrode plate manufacturing device extrudes, through the extrusion mechanism, the active material slurry out to form a blank, so that the powder and particles in the active material slurry may be mixed evenly. The blank is formed into a film through the film forming mechanism.

Abstract: The present application relates to a battery pressurizing device, the battery pressurizing device comprising: a carrying mechanism for carrying a battery; and a pressurizing mechanism movable relative to the carrying mechanism, wherein the pressurizing mechanism includes a mounting member and a pressurizing member, the pressurizing member is arranged on the mounting member and is rotatable relative to the mounting member, the pressurizing member is used to abut against the battery along a first direction to apply pressure on the battery. The battery pressurizing device can flatten the surface of the battery and also prevent the protrusions of battery cells and/or the damages of battery terminals when pressurizing in other directions.

Abstract: The present application relates to a detection mechanism and a battery production line. The detection mechanism includes a conveying unit, configured to convey the device to be detected; a first detection unit, configured to detect the temperature of the device to be detected; and a trigger unit, configured to detect the distance between the first detection unit and the device to be detected. When the distance between the first detection unit and the device to be detected is less than a preset distance value, the trigger unit controls the conveying unit to stop conveying. The detection mechanism and the battery production line in the embodiments of the present application can ameliorate the problem of poor universality.

Abstract: The present application discloses a gripping mechanism, a loading device and a loading control method. The gripping mechanism includes a base body and a first gripping assembly. A clamping zone is configured on one side of the base body. The first gripping assembly includes a first jaw and a second jaw, with the first jaw being arranged on one of two opposite sides of the clamping zone, and the second jaw being arranged on the other side; wherein at least one of the first jaw and the second jaw is movably connected to the base body, such that a spacing between the first jaw and the second jaw is adjustable, so that the requirements for gripping plates of different specifications and sizes can be met. That is, the gripping mechanism according to embodiments of the present application can be compatible with plates of different specifications and sizes.

Abstract: A battery cell, a battery, an electricity consuming device and a preparation method are provided. The battery cell includes an electrode assembly and an adapter. The electrode assembly includes at least two electrode bodies arranged side by side along a first direction and tabs extending from the electrode bodies. The tab includes an extension portion and a bent portion, the extension portion extends from the electrode body along a second direction, the bent portion is connected with an end of the extension portion away from the electrode body and extends along a first direction, an adapter is connected with the tabs, the current of the electrode body is conducted by the adapter to the outside, a bending arrangement of the tabs enhances their structural strength, avoiding the problem of degradation in internal electrical connection performance of the battery due to damage to the tabs by an external force.

Abstract: This application provides a module tray and a battery production device. The module tray includes: a tray body configured to support a battery module; two clamping plates extending along a first direction respectively; and a clamping mechanism configured to support and drive the two clamping plates to cooperatively clamp and fix the battery module; where the clamping mechanism is mounted on the tray body, and the clamping plate is mounted on the clamping mechanism. The tray body is provided for supporting the battery module, and the clamping mechanism is provided to push the two clamping plates to cooperatively clamp and fix two opposite sides of the battery module on the tray body, so that the shake of the battery module can be alleviated during movement, and the displacement of battery cells in the battery module can also be reduced, facilitating the subsequent processing and manufacturing.

Abstract: Embodiments of the present disclosure provides a control method for an adhesive applying device. The adhesive applying device includes an adhesive dispensing module, a first moving mechanism and a testing module. The control method includes performing a testing inspection operation, which includes: moving, by the first moving mechanism, an adhesive nozzle in the adhesive dispensing module to a first position aligned with the testing module, instructing the adhesive dispensing module to discharge a first amount of adhesive from the adhesive nozzle, receiving a second amount from the testing module, where the second amount is obtained based on measuring the received adhesive using the testing module, and determining that the adhesive applying device passes the testing inspection in the case where a deviation of the second amount relative to the first amount does not exceed a first threshold.