265 results about "Cell fabrication" patented technology

A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may include: a first sealing operation of fusing a lead film, which is attached to an electrode lead of an electrode assembly, to a sealing portion of a pouch in which the electrode assembly is accommodated; and a second sealing operation of sealing the sealing portion of the pouch. The first sealing operation may include: a heating process of irradiating with a laser beam a region which is present in the sealing portion of the pouch and corresponds to the lead film, thereby heating the lead film and melting a resin layer of the region; and a bonding process of compressing the region, thereby bonding the lead film and the melted resin layer.

The present invention provides a battery cell cleaning apparatus for improving electrolyte impregnation, and a method for preparing a battery cell using same, the battery cell cleaning apparatus comprising: a main body part configured such that at least one battery cell is immersed in a liquid medium accommodated in an internal space; and a vibration part attached to the main body part and configured to generate vibration and transmit the generated vibration to the liquid medium, wherein the vibration part is configured to apply the vibration toward both ends of the battery cell in the length direction through the liquid medium.

This utility model discloses an automatic electrolyte injection machine for soft-pack batteries, relating to the field of lithium battery manufacturing technology. It includes a frame, an injection mechanism, a flaring mechanism, a turntable mechanism, and a centering clamping mechanism. The injection mechanism drives the injection plate to rise and fall via a lifting module. The injection tube is equipped with an independent quantitative injection pump and a coaxial nitrogen injection pipe, achieving precise electrolyte injection and oxidation protection. The flaring mechanism uses a vacuum suction cup to adsorb the battery opening, and a ball screw drives the flaring plate to open and close laterally. The centering clamping mechanism uses an elastic buffer component and a pressure sensor to adaptively clamp the battery, avoiding damage to the aluminum-plastic film. The turntable mechanism is driven by a direct-drive motor to rotate the positioning turntable in increments, enabling continuous operation with multiple stations. This utility model integrates nitrogen protection, residual liquid adsorption, and flexible clamping functions, solving the problems of low efficiency, poor injection accuracy, and contamination risk of traditional equipment. It is suitable for mass production of high-consistency soft-pack batteries.

This utility model relates to the field of battery technology and discloses an electrode post, a top cover assembly, and a battery. By designing grooves on the electrode post body, the thickness of the electrode post body in the welding area is significantly reduced, thus meeting the material thickness requirements of ultrasonic welding. This allows the electrode post body to be directly welded to the tab without the need for an adapter plate. This innovative design not only avoids the problems of increased internal resistance, excessive temperature rise, and structural complexity caused by traditional adapter plate connection methods, but also significantly reduces the battery's internal resistance and heat generation during charging and discharging, thereby effectively improving battery performance and lifespan. Simultaneously, it simplifies the battery assembly process, reduces manufacturing costs, and improves production efficiency, providing an efficient and reliable solution for the development of battery manufacturing technology.

This invention provides a VBA-based method for calculating the helix parameters of a cylindrical battery, comprising: establishing a VBA data processing module; and performing calculations according to the following steps: S1: running and initializing the VBA tool; S2: building an interface module to create an interface for solving the helix parameters of the cylindrical battery; S3: inputting and reading data through a data input and preliminary data processing module; S4: performing calculations based on the data input in step S3; S5: storing and outputting the arc length and theta data calculated by the core calculation module in step S4 through a drawing and data generation module; S6: exporting the data stored in step S5 to a new worksheet through a data export module. This method can greatly simplify the engineer's workflow, reduce experimental costs, shorten the R&D cycle, quickly evaluate cell design schemes, assist engineers in effectively evaluating cell designs, and improve efficiency in the cylindrical battery manufacturing process.

A secondary battery manufacturing device is disclosed. According to one aspect of the present disclosure, there is provided a secondary battery manufacturing device including: a conveyor that transports trays in which battery cells are accommodated; a tray loader that stacks a plurality of trays in multiple stages; and a tray detector that detects a stacking defect of the trays, wherein the tray detector includes: a detector body that is in contact and interferes with the tray in which the stacking defect has occurred to change an arrangement state; a sensor that detects a change in the arrangement state of the detector body; and a locking pin that limits the return of the detector body when the arrangement state of the detector body is changed and maintains the changed arrangement state.

The perovskite precursor liquid of one embodiment of the present application contains a solvent, a perovskite precursor that forms a perovskite compound that performs photoelectric conversion, a hole transport layer forming compound that forms a self-assembled monomolecular film having a hole selective permeability, and a chain hydrocarbon group having 5 or more carbon atoms that can be substituted and an ionic functional group.

This invention relates to the field of new energy vehicle power battery manufacturing technology, specifically a fully automated laser welding and packaging process for lithium iron phosphate battery cells used in new energy vehicles. The process includes: S1. The cell shell is made of 6061 aluminum alloy containing niobium, yttrium, and lanthanum, sandblasted, then ultrasonically cleaned with an ethanol solution containing a silane coupling agent, and dried at 85-95℃; S2. The cover plate is made of 304 stainless steel containing 0.15-0.25wt% zirconium and 0.06-0.08wt% cerium, and the sealing groove is pre-cured with modified polyimide adhesive and then butt-fitted to the shell; S3. The weld seam is pre-coated with a nano-coating containing 0.1-0.3wt% titanium hydride, pulsed welded using a 1064nm fiber laser, and protected with a mixture of argon, helium, and nitrogen gas; S4. Post-weld annealing, ultrasonic treatment by immersion in a titanate aqueous solution, and finally vacuum drying. This process optimizes the shell and cover plate materials, resulting in stable welding quality, high weld strength, good corrosion resistance, improved cell sealing performance and long-term reliability, fully automated operation, and excellent production efficiency and product consistency.

An automated system to provide gas leak detection during battery manufacturing includes a battery system. A video of a gas leak occurring during a manufacturing stage of the battery system includes the gas leak as a gas vapor. A location of the gas leak is determined. A leak intensity value of the gas leak is identified to determine if the gas leak is minor and is less than or within a predetermined window or threshold permitting acceptance of the gas leak without repair, or if the gas leak requires further action including repair of the battery system.

This document provides a secondary battery, a method for manufacturing a secondary battery, and a battery pack including the secondary battery. The secondary battery includes: a housing having an internal space; a cover assembly including a cover for closing the housing and terminals supported by the cover; a current collector located in the internal space and electrically connected to the terminals; an electrode assembly housed in the internal space; and a plurality of electrode tabs protruding from the electrode assembly, each of the plurality of electrode tabs including: a root portion connected to the electrode assembly; a weld portion welded to the current collector and offset to one side relative to the position of the root portion; and a middle portion connecting the root portion and the weld portion, and having a peak offset to the opposite side of the first side.

According to exemplary embodiments, a secondary battery manufacturing system is provided. The system comprises the steps of: modeling sub-models; loading the sub-models into an animation program; and merging the sub-models to provide a model representing a secondary battery manufacturing facility.

According to exemplary embodiments, a cell tracking controller can be provided. The cell tracking controller may comprise: a cell ID collection unit for collecting a cell ID, which is identification information of a battery cell; a data collection unit for collecting at least one from among inspection data of the battery cell, measurement data of the battery cell, and equipment data collected from equipment of a battery cell manufacturing process or an equipment controller for controlling the equipment; and a cell ID mapping unit for mapping, to the cell ID, at least one from among the inspection data, the measurement data, and the equipment data corresponding to the cell ID, wherein the cell ID collection, the data collection and the data mapping can be performed in real time.

The application relates to the technical field of battery manufacturing, and provides a battery and a battery pack, the battery comprising a shell, a cover plate and support bosses; the cover plate is fixedly connected with the shell, two pole columns and an explosion-proof valve are arranged on the cover plate, and the explosion-proof valve is arranged between the two pole columns; the support bosses are arranged between the pole columns and the explosion-proof valve, a pressure relief channel is formed between the two support bosses, the pressure relief channel is communicated with the explosion-proof valve; the support bosses have contact end faces which are contacted with structural members of the battery pack, and the height positions of the contact end faces are higher than the height positions of pole column end faces. Through the structure of the support bosses, the support of the structural members on the battery pack is realized, and the stability and safety of the battery monomer structure are improved. Further, through the proportion limitation of the length of the pressure relief channel and the overall length of the cover plate, the structural strength of the support bosses is higher, and more stable support in different use states is realized.

The invention, which relates to a liquid-carrying roller for wet etching and a wet etching method, belongs to the technical field of solar cell manufacturing, and solves the problem of abnormal roller levelness in a process of manufacturing a solar cell in the prior art. The liquid-carrying roller for wet etching of the invention comprises a first end shaft, a second end shaft, and a liquid-carrying shaft, the first end shaft and the second end shaft being located at both ends of the liquid-carrying shaft, respectively, the first end shaft, the second end shaft and the liquid-carrying shaft being arranged concentrically, and the diameters of the first end shaft and the second end shaft being both adjustable.

This disclosure relates to a battery manufacturing apparatus, comprising: a plurality of cell processing units disposed along a first direction, each of the plurality of cell processing units including a heating unit for heating a cell; and a movement adjustment unit for moving the plurality of cell processing units along the first direction to adjust the interval between the plurality of cell processing units, wherein the movement adjustment unit maintains the interval between any one of the plurality of cell processing units and another cell processing unit adjacent to the any one of the plurality of cell processing units at a preset target interval, and wherein the any one of the plurality of cell processing units and the other adjacent cell processing unit together heat the cell installed in the any one of the cell processing units.

This invention relates to the field of battery manufacturing technology, providing a sampling structure for a cell module and a battery pack. The sampling structure includes a connecting strip and a flexible voltage acquisition board. The connecting strip is fixedly disposed on one side of the cell module and electrically connected to the terminal post of the cell module on the same side. The connecting strip has at least one connecting boss protruding outward. The voltage acquisition board is electrically connected to the connecting boss, and along the length direction of the cell module, the plate body of the voltage acquisition board and the plate body of the connecting strip are spaced apart to form a physically separated gap. This invention, by directly connecting the voltage acquisition board to the connecting strip, can significantly reduce the use of acquisition wiring harnesses. Furthermore, by connecting the flexible circuit board to the connecting boss, it can avoid the connection of traditional nickel sheets, reduce space occupation, and lower manufacturing costs.

According to exemplary embodiments, a server, a battery manufacturing system, and a battery manufacturing method are provided. The server may comprise: a slurry ID collection unit configured to collect a slurry ID assigned to a batch of electrode slurry and data regarding a total amount of the electrode slurry corresponding to the slurry ID; a lot ID storage unit in which an electrode lot ID assigned to a winding roll of an electrode sheet coated with the electrode slurry is stored; and an ID matching unit configured to match the electrode lot ID with the slurry ID on the basis of the remaining amount of the electrode slurry calculated by subtracting an amount of the electrode slurry used for coating from the total amount of the electrode slurry.

The present disclosure relates to a sealing valve device for a liquid injection port of a secondary battery, which can include a fluid valve portion connected to a liquid injection port of a secondary battery on one side and to a secondary battery manufacturing apparatus on the other side, an inside of the fluid valve portion being formed with a liquid injection flow path communicating the one side and the other side, and the liquid injection flow path being opened by pressure supplied from the outside to communicate the liquid injection port and the secondary battery manufacturing apparatus with each other. According to one embodiment of the present disclosure, the liquid injection port of the secondary battery is sealed at ordinary times to prevent moisture or foreign matter from the outside from entering the liquid injection port, and the liquid injection port can be automatically opened only when it is necessary to open the liquid injection port, so that maintenance and management costs required to seal the liquid injection port in the secondary battery manufacturing process can be reduced, and a process can be simplified, thereby improving production efficiency.

According to exemplary embodiments, a data hub device may be provided. The data hub device for mapping, between a plurality of battery cell manufacturing processes, data acquired from the processes may comprise: a first data collection unit configured to collect, in real time from initiation of each process, a first data set including at least one of position data and a cell ID of a battery cell in each process; and a second data collection unit configured to collect a second data set by correcting, upon completion of one battery cell in each process, at least one of position data and a cell ID of the battery cell included in the first data set so as to correspond to at least one of position data and a cell ID of the one battery cell completed in a process preceding the corresponding process.

The application discloses a kind of multistage pressure heat sealing systems and methods of soft package battery, it is related to battery manufacturing technical field;Method includes first according to preset first pressure value and first temperature value to soft package battery is pre-sealed, obtains first soft package battery;Subsequently, first soft package battery is extracted vacuum and obtains second soft package battery, and it is divided into first partition and second partition;Subsequently, by first, second pressure heat sealing model, the second, third pressure values corresponding to two partitions are calculated respectively;Finally, in combination with preset second, third temperature value, heat sealing operation is carried out to two partitions, and the heat sealing of soft package battery is completed.The method first pre-seals for subsequent heat sealing to lay foundation, then in combination with partition design and accurate pressure calculation, different heat sealing control is realized for the characteristic difference of different regions of soft package battery, both avoid the limitations of traditional single parameter heat sealing, and also solve the problem of uneven heat sealing caused by lack of scientific basis of partition, to improve the sealing of soft package battery package.

The application discloses a two-wheeled vehicle battery package delivery test system and method, and belongs to the technical field of battery manufacturing and testing, which comprises a control terminal, a communication interface module, a bar code identification module and a manufacturing execution system server; wherein the test management software is configured to perform the following: binding the product identification information with the current test task; calling the corresponding preset test parameters according to the product identification information or user selection; controlling the execution of the automatic test process of the battery package based on the preset test parameters; and generating a test record. Thus, the full-process automatic operation from battery package activation, parameter testing, function verification to data uploading can be realized, manual intervention is reduced, the test efficiency and accuracy are improved, and through the integration with the manufacturing execution system, the real-time uploading of test data and the full-life-cycle tracing are realized, so that the quality reliability and consistency of the delivered battery package are ensured.

A secondary battery manufacturing system according to the present invention comprises: a collaborative robot comprising a robot base, a plurality of robot arms rotatably coupled to each other and to the robot base, and a robot mount positioned at an end of the robot arms; a cell gripper module which can be detachably mounted to the robot mount to suction-hold and move at least one of a battery case, an electrode, and a separator of a secondary battery; a pipette module which can be detachably mounted to the robot mount to inject an electrolyte into the battery case; and a control unit which controls the collaborative robot such that the collaborative robot manufactures the secondary battery by being coupled to the cell gripper module or the pipette module on the basis of a predetermined sequence.

This invention relates to the field of battery manufacturing equipment technology, and more particularly to a multi-channel coating device. The feeding mechanism includes a feeding base, a feeding drive, a feeding rack, and multiple suction heads mounted on the feeding rack. The feeding base has a storage slot for mounting a slurry tank or a cleaning tank. The feeding drive is connected to the feeding rack and drives the suction heads to extend into the slurry tank or cleaning tank via the feeding rack. The coating mechanism includes a coating support, a coating lifting drive, a liquid receiving drive, a liquid receiving box, and a coating die. The coating lifting drive is connected to the coating die, and the liquid receiving drive is connected to the liquid receiving box. The coating die has multiple spaced-apart coating channels, and the suction heads are connected to these channels one-to-one via a feeding mechanism. In this invention, the multi-channel coating device can coat multiple coating segments on a baseband at once, avoiding cross-contamination between two different battery slurries.

The application relates to the technical field of battery manufacturing equipment, and particularly discloses a low-temperature lithium ion capacitor electrolyte preparation device, which comprises a bottom plate, the upper surfaces of the two sides of the bottom plate are symmetrically fixedly connected with slide rods. The filling and installation of the electrolyte can be automatically realized through the injection mechanism, the automation degree of the device is greatly improved, the cost is reduced and the efficiency is improved for enterprises, the device can be matched with pipes with different diameters because the diameter of the bottom cover is much larger than that of the closing pipe, the applicability of the device is greatly improved, the problem that the device needs to be frequently replaced when matching pipes with different diameters is avoided, the top of the pipe is automatically sealed when injection is performed, the safety in the injection process is ensured, the safety hidden danger problem caused by electrolyte leakage is avoided, and the isolation effect of the electrolyte can be further improved through the central rod and the closing pipe, and the problem that the electrolyte leaks when not injecting is avoided.

This invention relates to an intelligent screen printing device, a screen printing system, a control method, and a computer-readable storage medium, belonging to the field of thin-film battery manufacturing technology. The intelligent screen printing device is used for perovskite thin film screen printing and includes: a screen frame for supporting the screen; a tension sensing module disposed on the screen frame for real-time monitoring of the tension distribution in various areas of the screen; a temperature regulation module disposed on the screen frame for heating or cooling the screen; an electrostatic control module disposed above the intelligent screen printing device for generating an ion flow to eliminate static electricity accumulation during the printing process; and a control unit electrically connected to the tension sensing module, the temperature regulation module, and the electrostatic control module, respectively, for receiving monitoring signals and outputting control commands to achieve coordinated closed-loop regulation of tension, temperature, and electrostatics.

The present invention relates to an apparatus, method and system for continuously picking singulated electrodes and separators from an indexing singulation drum and placing each onto a downstream process as part of a battery stacking system that utilizes a self-correcting stacking platform. The rotating singulation drum includes a deformable shoe mechanism for handling battery material during high-precision stacking processes. The deformable shoe, integrated into the rotating singulation drum, adjusts dynamically to the shape of the infeed and downstream processes, allowing for smooth, continuous contact during pick-and-place operations. This flexibility ensures consistent distribution and minimizes the risk of misalignment or damage during transfer. This innovation optimizes high-speed stacking, contributing to improved battery manufacturing efficiency and reliability.

This invention discloses a method for preparing a perovskite precursor solution, a perovskite solar cell, and a method for preparing the same, relating to the field of cell fabrication technology. The method for preparing the perovskite precursor solution includes: based on the composition Cs of the perovskite material... 0.05 FA 0.85 MA 0.1 PbI3 was used to determine several substances and their contents for synthesizing perovskite materials. These substances were then dissolved to obtain a first solution. A crystallization aid was dissolved in the first solution to obtain a second solution. Diamine hydrobromide was dissolved in the second solution to obtain a perovskite precursor solution. This method allows for the preparation of a perovskite precursor solution for defect elimination, which is beneficial for eliminating defects in the perovskite layer and thus improving the efficiency and stability of perovskite solar cells.