9771results about "Assembling battery machines" patented technology

Provided is a coating die enabling coating of two layers of coating films stably. The coating die includes: a first block including a first manifold to receive a first coating liquid; a second block including a second manifold to receive a second coating liquid; and a shim sandwiched between the first block and the second block.

A material conveying apparatus, a battery assembly system, a production line, and an assembly method. The material conveying apparatus comprises a frame (10), a conveying mechanism (20), a limiting mechanism (30), and a carrying mechanism (40). The conveying mechanism (20) comprises two conveying paths arranged on the frame (10), one of the two conveying paths is an input path (21) used for conveying a box body (60) loaded with materials, and the other one of the two conveying paths is an output path (22) used for conveying the unloaded box body (60). The limiting mechanism (30) is disposed on the frame (10) or the conveying mechanism (20) and is used to define on the input path (21) a waiting position (21a) and a material pick-up position (21b) arranged in the input direction, and define on the output path (22) a transfer position (22a) and a removal position (22b) arranged in the output direction. The carrying mechanism (40) is used for carrying to the transfer position (22a) the box body (60) which is located at the material pick-up position (21b). The material conveying apparatus can be adapted to transportation of various battery assembly materials and has good universality.

Embodiments described herein relate generally to systems and methods for continuously and / or semi-continuously manufacturing electrochemical cells with semi-solid electrodes. In some embodiments, a method can include mixing an active material, a conductive material, and an electrolyte to form a semi-solid electrode material. The method further includes drawing a vacuum on the semi-solid electrode material, compressing the semi-solid electrode material to form an electrode brick, and dispensing a portion of the electrode brick onto a current collector via a dispensation device to form an electrode. In some embodiments, the current collector is disposed on a pouch material. In some embodiments, the dispensation device includes a top blade for top edge control and two side plates for side edge control. In some embodiments, the method can further include conveying the electrode through the top blade and the two side plates to shape the electrode.

Electrochemical cells and methods of making electrochemical cells are described herein. In some embodiments, an apparatus includes a multi-layer sheet for encasing an electrode material for an electrochemical cell. The multi-layer sheet including an outer layer, an intermediate layer that includes a conductive substrate, and an inner layer disposed on a portion of the conductive substrate. The intermediate layer is disposed between the outer layer and the inner layer. The inner layer defines an opening through which a conductive region of the intermediate layer is exposed such that the electrode material can be electrically connected to the conductive region. Thus, the intermediate layer can serve as a current collector for the electrochemical cell.

The invention belongs to the technical field of soft package battery modules, and particularly relates to a soft package power battery module intelligent processing production line and a processing production method.The processing production line comprises a battery cell processing section, a module stacking section and a module welding section; the battery cell processing section comprises a cutting and bending mechanism, a dog ear folding mechanism and a foam pasting mechanism which are sequentially arranged in the processing direction, and the module stacking section comprises a battery module stacking device and a battery module extruding and bundling device which are sequentially arranged in the processing direction; the module welding section comprises a busbar mounting station, a tab bending and rolling mechanism and a tab welding mechanism which are sequentially arranged in the machining direction. According to the invention, automation of the whole-line production process of the soft package battery module is realized.

A quick-change platform, a battery production line, and a control method. The quick-change platform comprises a tray kit (10). In a first pick-and-place state, the tray kit (10) is located at a first pick-and-place position, so that the tray kit (10) is used for receiving a target object (80) disengaged from a battery module fixture, or a battery module handling device picks up the target object (80) placed on the tray kit (10); and in a second pick-and-place state, the tray kit (10) is located at a second pick-and-place position, and is used for taking down the target object (80) on the tray kit (10), or for placing the target object (80) onto the tray kit (10).

Disclosed is a cylindrical battery, comprising a housing, bare cells, a first current collector, a second current collector, and a cover plate, wherein the housing comprises a columnar main body, with a first opening being provided in one end of the columnar main body and a second opening being provided in the other end of the columnar main body; a first full-tab is provided at one end of each of the bare cells and a second full-tab is provided at the other end of the bare cell, the first full-tab being connected to the cover plate by means of the first current collector; the other end of the columnar main body extends into the second opening to form a connecting portion, the connecting portion bends toward the first opening to form an annular connecting surface, and the annular connecting surface bends toward an axis of the columnar main body to form a bearing surface; and the second current collector comprises an outer edge which is in lap joint with the bearing surface and which is connected to the bearing surface by means of laser welding, and a protrusion protruding toward the first opening, the protrusion being connected to the second full-tab by means of laser welding. The present application uses laser penetration welding, which provides firm welding and effectively meets the requirements of high charging and discharging rates of cylindrical power batteries.

The invention discloses a collinear flexible production system of a power battery module and a CTP, and relates to the field of battery pack production processes. Comprising a cell sorting unit, a side plate welding unit, a heating and standing unit, a cell stacking unit, a laser welding unit and a PACK manufacturing unit which are dispatched and connected through an AGV. The battery cell sorting unit is used for completing battery cell sorting and offline; the side plate welding unit is used for stacking and extruding the battery cells into groups and welding the battery cells; the heating and standing unit is used for heating the module; the cell stacking unit is used for CTP module forming, cell data binding and insulation and voltage resistance testing; the laser welding unit is used for welding a busbar to a battery cell pole, and the whole battery pack enters welding equipment to complete welding; and the PACK manufacturing unit is used for installing electrical components of the battery pack. According to the invention, the process routes of the module and the CTP are mixed into the same production line, and free combination of the flexible process is realized through intelligent scheduling of the AGV, so that multi-variety and small-batch collinear production is met.

The present application relates to the technical field of battery processing, and discloses an automatic busbar installation device and method. The automatic busbar installation device comprises an installation driving apparatus, a gripping apparatus and a flipping apparatus. The gripping apparatus is designed to grip, in a surrounding manner, a busbar in a horizontal state, and thus can grip the busbar more reliably than conventional gripping means. Moreover, the flipping state of the gripped busbar can be adjusted by means of the flipping apparatus, so that the busbar can be in a vertical state by flipping the gripping apparatus, and incorporating the surrounding gripping support of the gripping apparatus, the problem of deformation due to the influence of the gravity of the busbar when the installation driving apparatus drives the busbar to move can be avoided, solving the technical problem of the difficulty in subsequent installation due to deformation or subsequent installation failure caused by slipping due to deformation, and ensuring that the busbar fits accurately with an installation surface of a battery.

A prismatic battery cell production line, comprising: a battery cell section processing system, a module section processing system, and a Pack section processing system which are sequentially arranged in a processing direction. The battery cell section processing system comprises a battery cell transfer device, a battery cell adhesive-application device, and a partition plate feeding device which are sequentially arranged in the processing direction; the battery cell transfer device is used for enabling battery cells to be on the production line, the battery cell adhesive-application device is used for applying an adhesive onto the battery cells, and the partition plate feeding device is used for enabling partition plates to be on the production line so that the partition plates are adhered to the battery cells; and the module section processing system comprises a battery cell module stacking device, a battery cell module strapping and pressing device, a busbar welding device, and a battery cell module clamping device which are sequentially arranged in the processing direction.

The invention discloses automatic battery pack stacking, mounting and lifting equipment, and belongs to the technical field of battery pack production, the automatic battery pack stacking, mounting and lifting equipment comprises a frame body, a feeding device, a stacking device and a transfer device, and the feeding device comprises a feeding moving mechanism and a feeding clamping mechanism; the stacking device comprises a stacking moving mechanism, a stacking bearing frame and a stacking positioning mechanism, the stacking bearing frame comprises a first bearing frame and a second bearing frame, the second bearing frame is provided with an x-axis positioning assembly, and the x-axis positioning assembly comprises a bearing fixing plate, a bearing driving part and a bearing positioning plate; the stacking positioning mechanism comprises a stacking positioning plate and a stacking driving part, and the stacking driving part is used for driving the stacking positioning plate to move in the direction close to or away from the second bearing frame; the transfer device comprises a transfer moving mechanism and a transfer clamping mechanism. The battery cell stacking device has the advantages that the battery cells are not prone to position deviation in the stacking process, and then the assembling and stacking quality of the battery cells can be guaranteed conveniently.

Provided are a winding shaft, a cell manufacturing apparatus, and a cell manufacturing method. The winding shaft is used for winding plates and includes: a winding shaft body including a first winding surface; an adjustment member configured to be mounted to the winding shaft body and movable simultaneously in an axial direction of the winding shaft and in a radial direction of the winding shaft, where the adjustment member includes a second winding surface, and the first winding surface and the second winding surface are configured to wind the plates jointly; and an actuator configured to drive the adjustment member to move to change a relative position of the second winding surface with respect to the first winding surface, so as to change a winding circumference of the winding shaft. The winding shaft of the present application can reduce the possibility of or the amount of misalignment between the tabs.

The invention provides an electrode assembly manufacturing device and method, the electrode assembly manufacturing device comprises a winding needle and a heating part, the winding needle is used for winding a pole piece and a separator and forming a winding structure, and the heating part is used for being inserted into the winding center of the winding structure and heating the winding structure. According to the manufacturing equipment, the heating component can heat the winding structure at the winding center of the winding structure, so that at least part of ion channels in the separator of the inner ring in the winding structure are fused and closed, shuttling of ions is blocked, lithium precipitation of the winding structure can be reduced, and the risk of lithium precipitation of the battery can be effectively reduced.

The invention provides a pole column welding device and a battery assembling system, the pole column welding device comprises a battery cell fixing assembly, a first tab pressing plate unit and a welding assembly, the battery cell fixing assembly is used for supporting and fixing a battery cell which is horizontally arranged; the first tab pressing plate unit comprises a first driving assembly and a first tab pressing plate, the first tab pressing plate is mounted on the first driving assembly, and the first driving assembly is used for driving the first tab pressing plate to move, so that the first tab pressing plate presses a tab part of a battery cell on a pole of the battery cell; and the welding assembly is arranged to be used for welding the tab part and the pole which are pressed and covered together.

Disclosed in the present invention are an all-in-one hot-pressing and formation machine and a use method therefor. The all-in-one hot-pressing and formation machine comprises: a pressing plate assembly, a battery cell inspection assembly, a heating assembly, a power system, and a power supply assembly, wherein the pressing plate assembly comprises a mounting frame, and a supporting plate and a plurality of pressing plates used for holding a battery cell; the battery cell inspection assembly is used for determining the state of placement of the battery cell in the supporting plate; the heating assembly is used for heating the battery cell held in the supporting plate; the power system uses a servo drive device to drive a pushing plate to move closer to or away from a stop plate, so as to drive the plurality of pressing plates to approach each other for pressing or to drive same to move away from each other for battery cell removal; and the power supply assembly is used for supplying power to the all-in-one hot-pressing and formation machine. When using the servo drive device to drive the pushing plates to press battery cells having different thicknesses, the present invention ensures the pressing accuracy, pressing efficiency, and pressing stability of the power system in the all-in-one hot-pressing and formation machine; a second gear assembly in a gear device enables the distance between guide rods to be adjusted, thus adapting to the formation of battery cells having different sizes.

Embodiment of the present disclosure relates to a battery assembly including a plurality of battery cells stacked in a preset stacking direction, an accommodation case configured to accommodate the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodation case, and a fire-retardant assembly disposed in the insertion space, wherein the fire-retardant assembly includes a fire-retardant member including a fire-retardant material, and a pillar-shaped exterior material configured to accommodate the fire-retardant member therein and extending in a height direction of the accommodation case.

The invention discloses a battery production line and a manufacturing method, and relates to the technical field of battery production lines. The system specifically comprises a cell processing island which can realize on-line, OCV test, rubberizing and stacking processes of cells; the module processing island can be used for realizing the assembly and extrusion forming of the battery cell group; the module boxing island can complete grabbing and boxing of the battery cell module and constraining the size of the module in the process; the gluing island can complete cleaning and gluing of the bottom of the box body; the air tightness test island can complete the air tightness test of the boxed battery module and the liquid cooling plate; the welding island can complete the welding process of the integrated cover plate on the box body; the constant-torque island can be used for tightening and constant-torque bolts on the box body; and the plurality of automatic guide vehicles can be used for transporting products among the functional islands, and the technological process switching of the CTP products and the large-module products is realized through different paths, so that the compatibility of the CTP products and the large-module products is realized. The invention aims to realize flexible switching between CTP and large module products so as to adapt to rapid change and diversified requirements of a new energy battery market.

The present disclosure provides a method of manufacturing an electrode using a continuous coating line for applying an electrode coating layer on a substrate surface of a substrate, the continuous coating line comprising a coating apparatus comprising a coating head and a coating fluid supply system, and at least one oven comprising a heating element, and a substrate carrier for carrying the substrate, the method comprising continuously carrying the substrate through the continuous coating line using the substrate carrier; continuously applying a battery electrode slurry composition from the coating head to the substrate surface to form a wet coated substrate, wherein the battery electrode slurry composition is continuously fed into the coating head by the coating fluid supply system; and heating the wet coated substrate in the oven to form a dried coating on the substrate.

Disclosed in the present disclosure are a battery assembling system and a control method therefor, and a battery production line, which relates to the technical field of batteries. The battery assembling system can reduce the risk of congestion during tray return and facilitate the miniaturization of the battery assembling system. The battery assembling system comprises a stacking platform, an assembling device, an assembling transfer line, and a return device, wherein the stacking platform is used for storing trays and battery modules located in the trays; one end of the assembling device is connected to one end of the stacking platform by means of the assembling transfer line, the assembling device is used for assembling the battery modules to be assembled, and the assembling transfer line is used for transporting the trays carrying the battery modules to be assembled to the assembling device; and the other end of the assembling device is connected to the other end of the stacking platform by means of the return device, and the return device is used for transporting the trays carrying the assembled battery modules to the stacking platform.

A grabbing device (1), a grabbing apparatus, a battery production line and a control method. The grabbing device (1) comprises a frame (11), a clamping plate mechanism (12), and a distance changing mechanism (13). The frame (11) is used for connecting to a mechanical arm; the clamping plate mechanism (12) comprises two clamping plate assemblies spaced apart from each other, and is used for clamping a plurality of battery cells (2); the distance changing mechanism (13) is arranged on the frame (11), and is separately in driving connection to the two clamping plate assemblies so as to adjust the distance between the two clamping plate assemblies; the two clamping plate assemblies are a reference clamping plate assembly (122) and a floating clamping plate assembly (121); the reference clamping plate assembly (122) can provide a clamping reference for the plurality of battery cells (2); the floating clamping plate assembly (121) can clamp each battery cell (2). The grabbing device (1), the grabbing apparatus, the battery production line and the control method can stably grab battery cells (2).

Loading and unloading manipulator device, characterized in that it comprises the following: a lateral movement module (1); a lifting mechanism (3) which is movably arranged on the lateral movement module (1), wherein the lateral movement module (1) drives the lifting mechanism (3) to move translationally in a horizontal direction; at least one set of manipulators (2), wherein the set of manipulators (2) comprises at least one pair of claws (21), wherein the claws (21) are arranged on the lifting mechanism (3), wherein the lifting mechanism (3) drives the claws (21) to move in a vertical direction.

The embodiment of the invention provides a battery conveying system, a battery processing system, a battery production line and a battery processing method, and belongs to the technical field of battery production. The battery conveying system comprises a logistics conveying line, a machining conveying line, magnetic driving structures and clamps. The multiple first magnetic driving structures and at least one set of second magnetic driving structures are suitable for being sequentially arranged along the logistics conveying line. The machining conveying line and the logistics conveying line are arranged in a crossed mode at the bridging position, and the second magnetic drive structure is movably installed on the machining conveying line between the bridging position and the avoiding position. The at least one group of third magnetic driving structures is movably mounted on the processing conveying line between the bridging position and the processing station; the multiple sets of clamps comprise magnetic parts and bearing parts used for bearing batteries, and the first magnetic driving structure, the second magnetic driving structure and the third magnetic driving structure are used for driving the clamps through the magnetic parts. By improving the transportation mode of the battery, the safety risk of the battery during transportation can be reduced, and the stability and production efficiency of battery transportation are improved.

Methods are proposed for manufacturing dendrite-resistant lithium metal electrodes suitable for incorporation into lithium metal batteries. In an embodiment, the method involves first electroplating a copper sheet onto a surface of a single crystal of silicon, the silicon being doped to form a p-type or an n-type semiconductor, and then further electroplating the copper sheet with lithium metal. The lithium-electroplated copper sheet thus manufactured provides a lithium electrode that is resistant to dendrite formation during cycling of lithium metal batteries when compared to conventionally manufactured lithium electrodes. Methods are further provided of manufacturing lithium sheets by directly electroplating lithium metal onto single crystals of doped silicon, the lithium sheets configured for incorporation into lithium metal electrodes that are resistant to dendrite formation during cycling of lithium metal batteries.

Examples include a machine for producing a multi-layer product having a dry film applied to a carrier substrate. A carrier substrate web is provided to an application stage where a first dry film of powdered material is applied to a side of the carrier substrate. The carrier substrate web having the dry film on at least one side is then fed to a product winder to produce a product roll. A dancer roller and / or a positively driven draw roller are arranged between a location where the carrier substrate web unwound from a reel and an entry into an application gap of the application stage, and / or a dancer roller and / or a positively driven draw roller are arranged between where the substrate emerges from a last application gap of the application stage and a location at which the winding of the carrier substrate web onto the product roll takes place.

The invention discloses a battery pole piece laser die cutting and lamination integrated device and method, the device comprises a main controller and a machine table, two die cutting mechanisms are oppositely arranged on the two sides of the machine table respectively, and the two die cutting mechanisms are used for cutting a positive pole piece material belt and a negative pole piece material belt respectively to form a positive pole piece and a negative pole piece; according to the device, a plurality of working procedures such as die cutting and lamination are integrated through an integrated design, and accurate positions and stable tension of the pole pieces in the whole processing process are ensured through a tension swing roller, a process deviation rectifying assembly and a floating roller assembly; deformation or breakage caused by loosening or excessive pulling of the pole piece winding tape in the conveying process is avoided; the edge of the pole piece is guaranteed to be flat and smooth through the laser cutting assembly, the flatness and surface cleanliness of the pole piece are guaranteed through the reinforcing rib assembly and the high-speed air knife assembly respectively, the quality of the pole piece in the machining process is guaranteed to a certain degree, and the production efficiency is improved.

Disclosed in the present disclosure are a feeding apparatus, a feeding method, and a battery assembly line. The feeding apparatus comprises a material rack, a workpiece conveyor line, and a transfer mechanism, wherein the material rack is provided with at least two layers of bearing portions, which are arranged in sequence at intervals in a first direction, the bearing portions on the same layer define a workpiece bearing space for accommodating a workpiece, and the bearing portions can perform reciprocating motion in the first direction along with the material rack; the workpiece conveyor line is used for conveying the workpiece, the conveying path of the workpiece conveyor line extending in a second direction that intersects with the first direction; and the transfer mechanism is configured to enter and exit the workpiece bearing space, the transfer mechanism being used for transferring the workpiece from the workpiece bearing space to the conveying path of the workpiece conveyor line.

The invention provides a battery cell rubberizing device and battery production equipment, the battery cell rubberizing device comprises a loading mechanism, a first positioning mechanism, a transfer mechanism and a rubberizing mechanism, the loading mechanism is used for storing a rubberizing piece; the first positioning mechanism is used for placing an adhesive part; the transfer mechanism comprises a first transfer mechanism and a second transfer mechanism which are both used for moving the adhesive parts; the adhesive tearing mechanism comprises a first adhesive tearing mechanism and a second adhesive tearing mechanism which are both used for tearing release paper of the adhesive part; wherein the first transfer mechanism sucks an adhesive piece of the loading mechanism and places the adhesive piece on the first positioning mechanism, the first adhesive tearing mechanism tears release paper at the bottom of the adhesive piece, the second transfer mechanism sucks the adhesive piece of the first positioning mechanism and adheres the adhesive piece to a battery cell of the conveying line, and the second adhesive tearing mechanism tears release paper at the top of the adhesive piece. Through the loading mechanism, the first positioning mechanism, the transferring mechanism and the adhesive tearing mechanism, release paper of the adhesive part is automatically torn off, and the adhesive part is adhered to the battery cell, so that the production efficiency and the product quality are improved.

The invention belongs to the technical field of battery production, and particularly relates to a battery production device, battery production equipment and a battery production method.The battery production device comprises a rack, a moving mechanism and a cover, the moving mechanism is connected with the rack and provided with a first station, and the moving mechanism is used for moving a first supporting cup to the first station; the first supporting cup is provided with a first mounting cavity for accommodating a battery; the cover body is used for being sealed and covered with the first supporting cup located at the first station so as to seal the first mounting cavity. The moving mechanism does not need to take the battery out of the supporting cup, movement actions of the mechanism are reduced, operation actions are simplified, the production efficiency of the battery is improved, and then the requirement for high-speed manufacturing of the battery is met.