A large-scale manufacturing process of solid-state batteries and assembly device thereof

Abstract

The present invention relates to the technical field of solid-state battery manufacturing, and in particular to a large-scale manufacturing process of solid-state batteries and an assembly device thereof, the manufacturing process comprising: preparing a target positive electrode material according to a positive electrode slurry; preparing a target negative electrode material according to a negative electrode slurry; depositing a solid electrolyte raw material on a substrate to form a thin film to obtain a target solid electrolyte material; cutting each material according to a target specification to obtain each target sheet; placing each target positive electrode sheet, each target negative electrode sheet and each target solid electrolyte sheet in a corresponding loading bin, respectively, and assembling the target negative electrode sheet, the target solid electrolyte sheet and the target positive electrode sheet on a stacking table in sequence according to an assembly order; when the results of each assembly operation meet the assembly requirements, determining to generate a target solid-state battery of the current batch; transferring the generated target solid-state battery from the stacking table, so as to produce the next batch of solid-state batteries.

Description

Technical Field

[0001] The present invention relates to the technical field of solid-state battery manufacturing, and in particular to a large-scale manufacturing process of solid-state batteries and an assembly device thereof. Background Art

[0002] In the production process of solid-state batteries, electrode cutting and electrode stacking are two very important production processes, which require corresponding cutting and stacking equipment to complete the processing steps; conventional electrode cutting machines and lithium battery stacking machines are usually separate machines, and the cut electrode sheets need to be transported to the stacking machine by manual handling or assembly line transportation for stacking. The electrode edge damage is easily caused during the transportation process, and there are problems such as low degree of automation, low production efficiency, high labor cost, and high labor intensity. In addition, the conventional stacking process cannot guarantee the consistency of the placement of each electrode.

[0003] Chinese patent application publication number CN111180802A discloses a solid-state battery stacking production line, including a stacking mechanism, a positive sheet loading mechanism for conveying positive sheets to the stacking mechanism, and a negative sheet loading mechanism for conveying negative sheets to the stacking mechanism, a positive sheet transition loading mechanism is provided between the stacking mechanism and the positive sheet loading mechanism, and a negative sheet transition loading mechanism is provided between the stacking mechanism and the negative sheet loading mechanism.

[0004] This shows that the current solid-state battery manufacturing technology has a low degree of automation and cannot guarantee production efficiency. Summary of the invention

[0005] To this end, the purpose of the present invention is to provide a large-scale manufacturing process for solid-state batteries and an assembly device thereof, so as to overcome the problems of low automation and inability to guarantee production efficiency in current solid-state battery manufacturing technology.

[0006] To achieve the above objectives, the present invention provides a large-scale manufacturing process for solid-state batteries, comprising:

[0007] Prepare a positive electrode slurry, apply the positive electrode slurry on a positive electrode current collector to obtain an intermediate positive electrode material, and dry and consolidate the intermediate positive electrode material to obtain a target positive electrode material;

[0008] preparing a negative electrode slurry, coating the negative electrode slurry on a negative electrode current collector to obtain an intermediate negative electrode material, and drying and consolidating the intermediate negative electrode material to obtain a target negative electrode material;

[0009] Depositing a solid electrolyte raw material on a substrate to form a thin film to obtain a target solid electrolyte material;

[0010] Cutting the target positive electrode material, the target negative electrode material and the target solid electrolyte material according to target specifications to obtain a plurality of target positive electrode sheets, a plurality of target negative electrode sheets and a plurality of target solid electrolyte sheets;

[0011] Placing each target positive electrode sheet, each target negative electrode sheet and each target solid electrolyte sheet in the corresponding loading bins respectively, and assembling the target negative electrode sheet, the target solid electrolyte sheet and the target positive electrode sheet on the stacking table in sequence according to the assembly order;

[0012] Monitor the results of each assembly operation in real time, and for any assembly operation result, determine whether the assembly operation meets the assembly requirements based on the monitoring result;

[0013] When the assembly operation result satisfies the assembly requirement, performing the next assembly operation;

[0014] When the results of each assembly operation meet the assembly requirements, determining to generate the target solid-state batteries of the current batch;

[0015] Transferring the generated target solid-state battery from the stacking table to produce the next batch of solid-state batteries;

[0016] Among them, each loading bin includes: a first loading bin, a second loading bin and a third loading bin; the first loading bin is used to place each target negative electrode sheet; the second loading bin is used to place each target solid electrolyte sheet; the third loading bin is used to place each target positive electrode sheet.

[0017] Furthermore, the process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result includes:

[0018] According to a first transfer operation, the target negative electrode sheet is transferred from the first loading bin to a first target loading position on the stacking table;

[0019] When a first initial loading position of the target negative electrode sheet relative to the stacking table meets a first placement standard, starting a first pressing operation;

[0020] According to the first pressing operation, the target negative electrode sheet is pressed once at high temperature to obtain a pressed product, and when the result of the first pressing at high temperature meets the pressing standard, the second transfer operation is started;

[0021] Any assembly operation includes: a transfer operation and a pressing operation.

[0022] Furthermore, the process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result also includes:

[0023] According to the second transport operation, the target solid electrolyte sheet is transported from the second loading bin to a second target loading position on the stacking table;

[0024] When a second initial loading position of the target solid electrolyte sheet relative to the primary pressing product meets a second placement standard, starting a second pressing operation;

[0025] According to the second pressing operation, the target solid electrolyte sheet is pressed at a second high temperature to obtain a second pressed product, and when the result of the second high temperature pressing meets the pressing standard, the third transfer operation is started.

[0026] Furthermore, the process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result also includes:

[0027] According to the third transfer operation, the target positive electrode sheet is transferred from the third loading bin to a third target loading position on the stacking table;

[0028] When a third initial loading position of the target positive electrode sheet relative to the secondary pressed product meets a third placement standard, starting a third pressing operation;

[0029] According to the third pressing operation, the target positive electrode sheet is pressed three times at high temperature to obtain a three-time pressed product, and the target solid-state battery is obtained when the three-time high-temperature pressing results meet the pressing standard.

[0030] Furthermore, when the first initial loading position of the target negative electrode sheet relative to the stacking table meets the first placement standard, the process of starting the first pressing operation includes:

[0031] Acquire a first placement image corresponding to the first initial loading position;

[0032] Identify the first placement image to obtain a first actual center point, and determine whether the first placement standard is met according to the first actual center point and a preset first standard center point;

[0033] The first placement standard is that the first deviation range is not exceeded, which is formed by taking the first standard center point as the center and taking a preset first fixed distance as the radius.

[0034] Furthermore, the process of determining whether the first placement standard is met according to the first actual center point and the preset first standard center point includes:

[0035] Based on the first actual center point being within the first deviation range, the first transmission operation is determined to be qualified, and the first pressing operation is started;

[0036] Based on the fact that the first actual center point is not within the first deviation range, determining that the first transmission operation is unqualified, and issuing a first adjustment signal;

[0037] The first initial loading position is adjusted according to the first adjustment signal to obtain a first actual loading position.

[0038] Furthermore, when the high-temperature pressing result satisfies the pressing standard, the process of starting the second transmission operation includes:

[0039] Acquire a first pressing image after a high temperature pressing;

[0040] Identify the first pressed image to obtain actual abnormal parameters;

[0041] Determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters;

[0042] Based on the result of the high-temperature pressing once meeting the pressing standard, determining that the first pressing operation is qualified, and starting the second transmission operation;

[0043] Based on the result of the first high-temperature pressing not meeting the pressing standard, determining that the first pressing operation is unqualified, and issuing a second adjustment signal;

[0044] The initial pressing parameters are adjusted according to the second adjustment signal to obtain first actual pressing parameters, and a re-pressing operation is performed according to the first actual pressing parameters.

[0045] Furthermore, the process of determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters includes:

[0046] Identify the first pressed image to obtain the actual bubble range and the actual number of cracks;

[0047] Determining whether the first abnormal parameter meets a single determination condition according to the actual bubble range and the preset standard bubble range;

[0048] Determining whether the second abnormal parameter meets the single determination condition according to the actual crack number and the preset standard crack number;

[0049] Determining whether the high-temperature pressing result meets the pressing standard based on the number of items that meet the single determination condition in the first abnormal parameter and the second abnormal parameter;

[0050] Among them, when the number of items is equal to 2, it is determined that the high-temperature pressing result meets the pressing standard; when the number of items is less than 2, it is determined that the high-temperature pressing result does not meet the pressing standard; the actual abnormal parameters include: the first abnormal parameter and the second abnormal parameter.

[0051] Furthermore, the second placement standard is not exceeding a second deviation range formed by taking the second standard center point as the center and taking the preset second fixed distance as the radius;

[0052] The second fixed distance is determined according to an actual deviation level between the first actual center point and the first standard center point;

[0053] The third placement standard is that it does not exceed a third deviation range formed by taking the third standard center point as the center and taking a preset third fixed distance as the radius;

[0054] The third fixed distance is determined according to the second actual center point position and the second standard center point position.

[0055] Among them, the second placement image corresponding to the second initial loading position is identified to obtain the second actual center point; the second standard center point is determined according to the second target loading position; and the third standard center point is determined according to the third target loading position.

[0056] Another aspect of the present invention further provides a solid-state battery assembly device, comprising:

[0057] A first loading bin, which is used to place each target negative electrode sheet;

[0058] A second loading bin, which is used to place each target solid electrolyte sheet;

[0059] A third loading bin is used to place each target positive electrode sheet;

[0060] A first conveyor belt, used for conveying the target negative electrode sheet from the first loading bin to the stacking table, the first conveyor belt is divided into two parts, the two conveyor belts are connected by a first adjustment shaft, and the first adjustment shaft is used for adjusting the first initial loading position of the first conveyor belt for conveying the target negative electrode sheet;

[0061] A second conveyor belt, used to convey the target solid electrolyte sheet from the second loading bin to the stacking table, the second conveyor belt is divided into two parts, the two conveyor belts are connected by a second adjustment shaft, and the second adjustment shaft is used to adjust the second initial loading position of the second conveyor belt for conveying the target solid electrolyte sheet;

[0062] A third conveyor belt, which is used to convey the target positive electrode sheet from the third loading bin to the stacking table, the third conveyor belt is divided into two parts, the two conveyor belts are connected by a third adjustment shaft, and the third adjustment shaft is used to adjust the third initial loading position of the third conveyor belt for conveying the target positive electrode sheet;

[0063] An image collector, which is used to monitor the results of each assembly operation in real time;

[0064] A plurality of correction robots are used to perform position correction on the assembly process performed on the stacking table.

[0065] Compared with the prior art, the beneficial effects of the present invention are that the overall production efficiency is improved by realizing standardization and automation of the production process; the assembly operation results are monitored in real time, and whether the assembly requirements are met based on the monitoring results is determined, which helps to timely discover and correct problems in production and ensure the quality and performance of the final product; by accurately cutting the positive electrode, negative electrode and solid electrolyte materials, material waste can be reduced and the utilization rate of materials can be improved; using the loading bin and stacking table for assembly operations helps to realize the automated assembly of solid-state battery components, reduce manual operation errors, and improve assembly accuracy; through batch production, production management and quality control can be better carried out to ensure that each batch of solid-state batteries can meet the quality standards; the solid-state battery production process involves flammable, toxic or corrosive chemicals, and the automated and standardized production process helps to reduce human operation errors and improve production safety; by accurately controlling the production conditions of each step, the consistency of each solid-state battery can be ensured, which is crucial to the performance and safety of the battery pack; the standardized production process facilitates large-scale and expanded production, helps to reduce costs and meet market demand; the production method of solid-state batteries can improve production efficiency, ensure product quality, and reduce production costs through refined process management and automated control.

[0066] By adjusting the position of the conveyor belt through the first, second and third adjustment axes, the initial loading position of the target negative electrode sheet, solid electrolyte sheet and positive electrode sheet can be accurately controlled, thereby improving the assembly accuracy and consistency of the battery components; the segmented design of the conveyor belt allows more flexible adjustment of the assembly process, and the loading position can be quickly changed according to different production needs, increasing the adaptability and flexibility of the production line; the use of the conveyor belt to automatically transport materials from the loading bin to the stacking table reduces manual handling, improves the degree of automation of the production line, and reduces labor intensity; real-time monitoring of assembly operation results can promptly detect deviations and errors in the assembly process, so as to make real-time corrections to ensure product quality; a number of correction robots can automatically correct position errors in the assembly process It reduces product scrapping due to improper manual operation and improves production efficiency and product qualification rate; the automated loading and error correction system reduces downtime in the production process and improves the continuous operation capability and production efficiency of the production line; it reduces operational errors due to human factors and improves the stability and reliability of the production process; the three loading bins with clear division of labor help optimize the production layout, making the production line clearer, more orderly, and easier to manage and maintain; automated operation reduces direct contact between workers and chemicals and mechanical equipment and improves the safety of the working environment; it improves production accuracy, automation, production efficiency and product quality, while reducing labor intensity and production costs, providing effective technical support for the large-scale production of solid-state batteries.

[0067] By accurately matching the target loading position with the initial loading position, the precise positioning of each component during the assembly process is ensured, and the assembly accuracy of the battery components is improved; high-temperature pressing in steps can gradually improve the stability of the internal structure of the battery and ensure good contact and conductivity between the layers of materials; automated transmission and pressing operations reduce manual intervention, improve production efficiency, and shorten production cycles; real-time monitoring of the operating results of each step and evaluation based on the pressing standards can promptly identify and correct problems in the assembly process to ensure product quality; by setting placement standards and pressing standards, the standardization of the assembly process is achieved, operating errors are reduced, and product consistency and reliability are improved; the assembly process is divided into The two modules of transmission and pressing are convenient for maintenance and troubleshooting of specific steps, thus improving the maintainability of the production line; each step is verified after completion, and the next step can be carried out only after the standards are met, so that the qualification rate of the final product is improved in this step-by-step verification method; it has good adaptability and can be applied to the production of solid-state batteries of different specifications and models, and has certain flexibility and scalability; by inspecting after each step is completed, unqualified products can be identified and eliminated at an early stage, thereby reducing material waste in subsequent steps; it provides an efficient, precise and automated solid-state battery assembly method, which can significantly improve production efficiency, reduce costs, ensure product quality, and is suitable for large-scale production.

[0068] By acquiring the first placement image corresponding to the first initial loading position and identifying the image to obtain the first actual center point, it is possible to accurately determine whether the position of the negative electrode sheet is within the preset deviation range, which helps to improve the positioning accuracy of the battery assembly during the assembly process; it realizes automated quality control, reduces manual intervention, reduces errors caused by human factors, and improves production efficiency and product quality; when the first actual center point is not within the first deviation range, it can send an adjustment signal in real time, and adjust the loading position accordingly. The real-time feedback and adjustment mechanism ensures the continuity and stability of the production process; by accurately controlling the loading position, the generation of unqualified products is reduced, thereby reducing Material waste and production costs; the fixed distance deviation range ensures the placement consistency of all negative plates, which helps to improve the overall performance and reliability of the battery pack; it is suitable for large-scale production because it can quickly and accurately evaluate and adjust the position of each component, ensuring production speed and product quality; accurately calibrating the position of the negative plate helps ensure that the battery component can be correctly aligned in the subsequent pressing step, thereby improving the overall performance of the battery; it helps to promptly detect and correct deviations in the assembly process to ensure the quality of each battery component; by adjusting the unqualified loading position as soon as possible, the number of battery cells that need to be reworked is reduced, the scrap rate is reduced, and production costs are saved.

[0069] By acquiring the images after lamination through image recognition technology and identifying the actual abnormal parameters, automatic quality control of the lamination results can be achieved. The automated method reduces the reliance on manual inspection and improves production efficiency and the accuracy of quality control. When the result of a high-temperature lamination does not meet the lamination standard, an adjustment signal can be issued in real time, and the initial lamination parameters can be adjusted according to the signal. The real-time feedback and adjustment mechanism helps to quickly correct problems in the lamination process and ensure the continuity and stability of the production process. By real-time monitoring and adjustment during the lamination process, the occurrence of unqualified products is reduced, thereby reducing material waste and production costs. By precisely controlling the lamination parameters, the consistency of the lamination results of all battery cells is ensured, which helps to improve the overall performance and reliability of the battery pack. By collecting and analyzing the lamination images and related data, the lamination parameters can be continuously optimized to improve the production quality of future batches. By setting the preset standard bubble range and standard crack number, the lamination process is standardized, ensuring the consistency and repeatability of each lamination operation. The lamination parameters can be adjusted quickly, so that the production line can more easily adapt to different production needs and environmental changes, improving production flexibility.

[0070] By calculating the actual deviation distance between the actual center point and the standard center point, and determining the actual deviation level according to the deviation level evaluation value, the second fixed distance and the third fixed distance can be adaptively adjusted. This adaptive adjustment helps to ensure that the negative electrode sheet, solid electrolyte sheet and positive electrode sheet can be accurately placed under different production conditions, thereby improving the overall performance of the battery; adjusting the second fixed distance and the third fixed distance according to the actual deviation level enables the production line to be flexibly adjusted according to different production conditions, thereby improving the adaptability and flexibility of the production line; by accurately controlling the feeding position and pressing parameters, the placement consistency of all battery cells is ensured, which helps to improve the overall performance and reliability of the battery pack; by adjusting the feeding position and pressing parameters in the first time, the number of battery cells that need to be reworked is reduced, the scrap rate is reduced, and the production cost is saved; by adaptively adjusting the second fixed distance and the third fixed distance, the production line can be produced more efficiently, and the production speed and efficiency are improved; by collecting and analyzing the actual deviation distance and related data, the production process can be continuously optimized and the production quality of future batches can be improved; it provides an effective quality control method for the precise preparation of solid-state batteries, improves the level of production automation, ensures product quality and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0071] Figure 1 A flow chart of a large-scale manufacturing process of a solid-state battery according to an embodiment of the present invention;

[0072] Figure 2 It is a front structural schematic diagram of an assembly device for a solid-state battery according to an embodiment of the present invention;

[0073] Figure 3 A top view of an assembly device for a solid-state battery according to an embodiment of the present invention;

[0074] Figure 4 This is an assembly flow chart of a large-scale manufacturing process of a solid-state battery according to an embodiment of the present invention;

[0075] The figure includes: 1-first loading bin, 2-second loading bin, 3-third loading bin, 4-first conveyor belt, 5-second conveyor belt, 6-third conveyor belt, 7-stacking table, 8-image collector, 9-correction robot, 41-first adjustment axis, 51-second adjustment axis, 61-third adjustment axis. DETAILED DESCRIPTION

[0076] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0077] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0078] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0079] See also Figure 1 As shown, the present invention provides a large-scale manufacturing process of solid-state batteries, comprising:

[0080] Step S100, preparing a positive electrode slurry, coating the positive electrode slurry on a positive electrode current collector to obtain an intermediate positive electrode material, and drying and consolidating the intermediate positive electrode material to obtain a target positive electrode material;

[0081] Step S200, preparing negative electrode slurry, coating the negative electrode slurry on a negative electrode current collector to obtain an intermediate negative electrode material, and drying and consolidating the intermediate negative electrode material to obtain a target negative electrode material;

[0082] Step S300, depositing a solid electrolyte raw material on a substrate to form a thin film to obtain a target solid electrolyte material;

[0083] Step S400, cutting the target positive electrode material, the target negative electrode material and the target solid electrolyte material according to target specifications to obtain a plurality of target positive electrode sheets, a plurality of target negative electrode sheets and a plurality of target solid electrolyte sheets;

[0084] Step S500, placing each target positive electrode sheet, each target negative electrode sheet and each target solid electrolyte sheet in the corresponding loading bins, and assembling the target negative electrode sheet, the target solid electrolyte sheet and the target positive electrode sheet on the stacking table in sequence according to the assembly order;

[0085] Step S600, real-time monitoring of each assembly operation result, and for any assembly operation result, determining whether the assembly operation meets the assembly requirements according to the monitoring result;

[0086] Step S700, when the assembly operation result meets the assembly requirement, perform the next assembly operation;

[0087] Step S800, when all assembly operation results meet the assembly requirements, determining to generate the target solid-state batteries of the current batch;

[0088] Step S900, transferring the generated target solid-state battery from the stacking table to produce the next batch of solid-state batteries;

[0089] Among them, each loading bin includes: a first loading bin, a second loading bin and a third loading bin; the first loading bin is used to place each target negative electrode sheet; the second loading bin is used to place each target solid electrolyte sheet; the third loading bin is used to place each target positive electrode sheet.

[0090] In this embodiment, the positive electrode active material, the solid electrolyte, the binder and the conductive agent are mixed together to obtain the positive electrode slurry; the negative electrode active material, the conductive agent and the binder are mixed together to obtain the negative electrode slurry; in the specific implementation process, the positive electrode active material can be LiCoO 2 、LiMn 2 O 4 、LiNiMnCoO 2 or LiFePO 4 ; The negative electrode active material can be graphite or lithium metal; the positive electrode current collector is copper foil; the negative electrode current collector is aluminum foil; the target specification is a sub-millimeter solid-state battery; this embodiment does not specifically limit the specific materials used.

[0091] Specifically, the embodiments of the present invention improve the overall production efficiency by realizing standardization and automation of the production process; monitor the assembly operation results in real time, and determine whether the assembly requirements are met based on the monitoring results, which helps to timely discover and correct problems in production and ensure the quality and performance of the final product; by accurately cutting the positive electrode, negative electrode and solid electrolyte materials, material waste can be reduced and the utilization rate of materials can be improved; using the loading bin and stacking table for assembly operations helps to realize the automated assembly of solid-state battery components, reduce manual operation errors, and improve assembly accuracy; through batch production, production management and quality control can be better carried out to ensure that each batch of solid-state batteries can meet the quality standards; the solid-state battery production process involves flammable, toxic or corrosive chemicals, and the automated and standardized production process helps to reduce human operation errors and improve production safety; by accurately controlling the production conditions of each step, the consistency of each solid-state battery can be ensured, which is crucial to the performance and safety of the battery pack; standardized production processes facilitate large-scale and expanded production, help reduce costs and meet market demand; the production method of solid-state batteries can improve production efficiency, ensure product quality, and reduce production costs through refined process management and automated control.

[0092] The present invention also provides a solid-state battery assembly device, see Figure 2 and Figure 3 As shown, Figure 2A schematic diagram of the front structure of an assembly device for a solid-state battery; Figure 3 A top view of an assembly apparatus for a solid-state battery; comprising:

[0093] A first loading bin 1, which is used to place each target negative electrode sheet;

[0094] A second loading bin 2, which is used to place each target solid electrolyte sheet;

[0095] A third loading bin 3, which is used to place each target positive electrode sheet;

[0096] A first conveyor belt 4, which is used to convey the target negative electrode sheet from the first loading bin 1 to the stacking table 7, the first conveyor belt 4 is divided into two parts, and the two conveyor belts are connected by a first adjustment shaft 41, and the first adjustment shaft 41 is used to adjust the first initial loading position of the first conveyor belt 4 to transport the target negative electrode sheet;

[0097] A second conveyor belt 5, which is used to convey the target solid electrolyte sheet from the second loading bin 2 to the stacking table 7, the second conveyor belt 5 is divided into two parts, and the two conveyor belts are connected by a second adjustment shaft 51, and the second adjustment shaft 51 is used to adjust the second initial loading position of the second conveyor belt 5 for conveying the target solid electrolyte sheet;

[0098] A third conveyor belt 6, which is used to convey the target positive electrode sheet from the third loading bin 3 to the stacking table 7, the third conveyor belt 6 is divided into two parts, and the two conveyor belts are connected by a third adjustment shaft 61, and the third adjustment shaft 61 is used to adjust the third initial loading position of the third conveyor belt 6 for conveying the target positive electrode sheet;

[0099] An image collector 8, which is used to monitor the results of each assembly operation in real time;

[0100] A plurality of correction robots 9 are used to perform position correction on the assembly process performed on the stacking table.

[0101] Specifically, the embodiment of the present invention adjusts the position of the conveyor belt through the first, second and third adjustment axes, and can accurately control the initial loading position of the target negative electrode sheet, solid electrolyte sheet and positive electrode sheet, thereby improving the assembly accuracy and consistency of the battery assembly; the segmented design of the conveyor belt allows more flexible adjustment of the assembly process, and the loading position can be quickly changed according to different production needs, which increases the adaptability and flexibility of the production line; the conveyor belt is used to automatically transport materials from the loading bin to the stacking table, which reduces manual handling, improves the degree of automation of the production line, and reduces labor intensity; real-time monitoring of assembly operation results can promptly detect deviations and errors in the assembly process, so as to make real-time corrections to ensure product quality; a number of correction robots can correct position errors in the assembly process Automatic correction reduces product scrapping due to improper manual operation, improves production efficiency and product qualification rate; automated loading and error correction systems reduce downtime in the production process, improve the continuous operation capability and production efficiency of the production line; reduces operational errors due to human factors, improves the stability and reliability of the production process; three loading bins with clear division of labor help optimize the production layout, making the production line clearer, more orderly, and easier to manage and maintain; automated operation reduces direct contact between workers and chemicals and mechanical equipment, and improves the safety of the working environment; improves production accuracy, automation, production efficiency and product quality, while reducing labor intensity and production costs, providing effective technical support for the large-scale production of solid-state batteries.

[0102] See also Figure 4 As shown, it is an assembly flow chart, wherein the process of real-time monitoring of each assembly operation result and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result includes:

[0103] Step S610, according to a first transfer operation, transferring the target negative electrode sheet from the first loading bin to a first target loading position on the stacking table;

[0104] Step S620, starting a first pressing operation based on that a first initial loading position of the target negative electrode sheet relative to the stacking table meets a first placement standard;

[0105] Step S630, according to the first pressing operation, performing a high temperature pressing on the target negative electrode sheet to obtain a pressed product, and starting a second transfer operation when the result of the high temperature pressing meets the pressing standard;

[0106] Step S640, according to the second transport operation, transporting the target solid electrolyte sheet from the second loading bin to a second target loading position on the stacking table;

[0107] Step S650, starting a second pressing operation based on that a second initial loading position of the target solid electrolyte sheet relative to the primary pressing product meets a second placement standard;

[0108] Step S660, according to the second pressing operation, performing secondary high-temperature pressing on the target solid electrolyte sheet to obtain a secondary pressing product, and starting a third transmission operation when the secondary high-temperature pressing result meets the pressing standard;

[0109] Step S670, according to the third transfer operation, transferring the target positive electrode sheet from the third loading bin to a third target loading position on the stacking table;

[0110] Step S680, starting a third pressing operation based on that the third initial loading position of the target positive electrode sheet relative to the secondary pressing product meets a third placement standard;

[0111] Step S690, according to the third pressing operation, performing three high-temperature pressings on the target positive electrode sheet to obtain a three-time pressing product, and obtaining the target solid-state battery when the three high-temperature pressing results meet the pressing standard;

[0112] Wherein, any assembly operation includes: a transfer operation and a pressing operation;

[0113] In this embodiment, the first target loading position is a position for placing the target negative electrode sheet transferred from the first loading bin under ideal conditions, and the first target loading position takes the geometric center point of the stacking table as the target loading midpoint and the target specification as the target loading position formed by the range area; the second target loading position is a position for placing the target solid electrolyte sheet transferred from the second loading bin, and the second target loading position is a position where the solid electrolyte sheet is accurately placed on the primary pressed product; the third target loading position is a position for placing the target positive electrode sheet transferred from the third loading bin, and the third target loading position is a position where the target positive electrode sheet needs to be accurately placed on the secondary pressed product.

[0114] Specifically, the embodiments of the present invention ensure the precise positioning of each component during the assembly process and improve the assembly accuracy of the battery assembly by accurately matching the target loading position with the initial loading position; high-temperature pressing in steps can gradually improve the stability of the internal structure of the battery and ensure good contact and conductivity between the layers of materials; automated transmission and pressing operations reduce manual intervention, improve production efficiency, and shorten the production cycle; real-time monitoring of the operation results of each step and evaluation based on the pressing standards can timely discover and correct problems in the assembly process and ensure product quality; by setting placement standards and pressing standards, standardization of the assembly process is achieved, operating errors are reduced, and product consistency and reliability are improved; The assembly process is divided into two modules, transmission and pressing, which facilitates maintenance and troubleshooting of specific steps and improves the maintainability of the production line; each step is verified after completion, and the next step can be carried out only after the standards are met. This step-by-step verification method improves the qualification rate of the final product; it has good adaptability and can be applied to the production of solid-state batteries of different specifications and models, and has certain flexibility and scalability; by inspecting after each step is completed, unqualified products can be identified and eliminated at an early stage, thereby reducing material waste in subsequent steps; it provides an efficient, precise and automated solid-state battery assembly method, which can significantly improve production efficiency, reduce costs, ensure product quality, and is suitable for large-scale production.

[0115] Specifically, in this embodiment, when the first initial loading position of the target negative electrode sheet relative to the stacking table meets the first placement standard, the process of starting the first pressing operation includes:

[0116] Step S621, obtaining a first placement image corresponding to the first initial loading position;

[0117] Step S622, identifying the first placement image to obtain a first actual center point, and determining whether the first placement standard is met according to the first actual center point and a preset first standard center point;

[0118] The first placement standard is that the first deviation range is not exceeded, which is formed by taking the first standard center point as the center and taking a preset first fixed distance as the radius.

[0119] Specifically, the process of determining whether the first placement standard is met according to the first actual center point and the preset first standard center point includes:

[0120] Based on the first actual center point being within the first deviation range, the first transmission operation is determined to be qualified, and the first pressing operation is started;

[0121] Based on the fact that the first actual center point is not within the first deviation range, determining that the first transmission operation is unqualified, and issuing a first adjustment signal;

[0122] Adjusting the first initial loading position according to the first adjustment signal to obtain a first actual loading position;

[0123] When the first actual center point is not within the first deviation range, calculating a type of actual deviation distance between the first actual center point and the first standard center point;

[0124] Determining a specific type of the first adjustment signal according to the type of actual deviation distance combined with a preset standard deviation distance;

[0125] If the type-one actual deviation distance is greater than or equal to the standard deviation distance, the first adjustment signal is determined to be a Class A first adjustment signal; the first adjustment shaft 41 is adjusted according to the Class A first adjustment signal to obtain the first actual feeding position, and re-loading is performed according to the first actual feeding position;

[0126] If the type of actual deviation distance is smaller than the standard deviation distance, the first adjustment signal is determined to be a Class B first adjustment signal; and the correction manipulator 9 is controlled to correct the position of the target negative electrode sheet according to the first actual feeding position according to the Class B first adjustment signal;

[0127] In this embodiment, the first fixed distance is set to 0.5 mm; the standard deviation distance is set to 0.8 mm.

[0128] Specifically, the embodiment of the present invention can accurately determine whether the position of the negative electrode sheet is within a preset deviation range by acquiring a first placement image corresponding to a first initial loading position and recognizing the image to obtain a first actual center point, which helps to improve the positioning accuracy of the battery assembly during the assembly process; realizes automated quality control, reduces manual intervention, reduces errors caused by human factors, and improves production efficiency and product quality; when the first actual center point is not within the first deviation range, it can send an adjustment signal in real time, and adjust the loading position accordingly, and the real-time feedback and adjustment mechanism ensures the continuity and stability of the production process; by accurately controlling the loading position, the generation of unqualified products is reduced, This reduces material waste and production costs; the fixed distance deviation range ensures the consistency of placement of all negative plates, which helps to improve the overall performance and reliability of the battery pack; it is suitable for large-scale production because it can quickly and accurately evaluate and adjust the position of each component, ensuring production speed and product quality; accurately calibrating the position of the negative plate helps ensure that the battery component can be correctly aligned in the subsequent pressing step, thereby improving the overall performance of the battery; it helps to promptly detect and correct deviations in the assembly process to ensure the quality of each battery component; by adjusting the unqualified loading position as soon as possible, the number of battery cells that need to be reworked is reduced, the scrap rate is reduced, and production costs are saved.

[0129] Specifically, in this embodiment, when the high-temperature pressing result meets the pressing standard, the process of starting the second transmission operation includes:

[0130] Step S631, acquiring a first pressing image after a high temperature pressing;

[0131] Step S632, identifying the first pressed image to obtain actual abnormal parameters;

[0132] Step S633, determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters;

[0133] Step S634, based on the result of the high-temperature pressing satisfying the pressing standard, determining that the first pressing operation is qualified, and starting the second transmission operation;

[0134] Step S635, based on the result of the first high-temperature pressing not meeting the pressing standard, determining that the first pressing operation is unqualified, and issuing a second adjustment signal;

[0135] Step S636: adjusting the initial pressing parameters according to the second adjustment signal to obtain first actual pressing parameters, and performing a re-pressing operation according to the first actual pressing parameters.

[0136] Specifically, the process of determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters includes:

[0137] Identify the first pressed image to obtain the actual bubble range and the actual number of cracks;

[0138] Determining whether the first abnormal parameter meets a single determination condition according to the actual bubble range and the preset standard bubble range;

[0139] Determining whether the second abnormal parameter meets the single determination condition according to the actual crack number and the preset standard crack number;

[0140] Determining whether the high-temperature pressing result meets the pressing standard based on the number of items that meet the single determination condition in the first abnormal parameter and the second abnormal parameter;

[0141] Wherein, when the number of items is equal to 2, it is determined that the high-temperature pressing result meets the pressing standard; when the number of items is less than 2, it is determined that the high-temperature pressing result does not meet the pressing standard; the actual abnormal parameters include: the first abnormal parameter and the second abnormal parameter;

[0142] Wherein, a first difference absolute value is calculated according to the actual bubble range and the standard bubble range;

[0143] The absolute value of the first difference=|actual bubble range-standard bubble range|;

[0144] If the absolute value of the first difference is greater than or equal to a preset first evaluation value, and the actual bubble range is greater than the standard bubble range, it is determined that the first abnormal parameter meets the single determination condition;

[0145] If the absolute value of the first difference is greater than or equal to a preset first evaluation value, and the actual bubble range is smaller than the standard bubble range, it is determined that the first abnormal parameter does not meet the single determination condition;

[0146] If the absolute value of the first difference is less than a preset first evaluation value, it is determined that the first abnormal parameter does not meet the single determination condition;

[0147] If the actual number of cracks is greater than or equal to the standard number of cracks, it is determined that the second abnormal parameter meets the single determination condition;

[0148] If the actual number of cracks is less than the standard number of cracks, it is determined that the second abnormal parameter does not meet the single determination condition;

[0149] In this embodiment, the standard bubble range is set to 10%-12% of the overall range of the first pressing image; the standard number of cracks is set to 2; the first evaluation value is set to 3%-4%; and adaptive selection and adjustment are performed according to the production accuracy of the solid-state battery.

[0150] Specifically, the embodiment of the present invention obtains the image after lamination through image recognition technology and identifies the actual abnormal parameters, so as to realize the automatic quality control of the lamination result. The automatic method reduces the dependence on manual inspection and improves the production efficiency and the accuracy of quality control. When the result of a high-temperature lamination does not meet the lamination standard, an adjustment signal can be issued in real time, and the initial lamination parameters can be adjusted according to the signal. The real-time feedback and adjustment mechanism helps to quickly correct the problems in the lamination process and ensure the continuity and stability of the production process. By real-time monitoring and adjustment during the lamination process, the occurrence of unqualified products is reduced, thereby reducing material waste and production costs. By accurately controlling the lamination parameters, the consistency of the lamination results of all battery cells is ensured, which helps to improve the overall performance and reliability of the battery pack. By collecting and analyzing the lamination images and related data, the lamination parameters can be continuously optimized to improve the production quality of future batches. By setting the preset standard bubble range and the number of standard cracks, the standardization of the lamination process is realized, and the consistency and repeatability of each lamination operation are ensured. The lamination parameters can be adjusted quickly, so that the production line can more easily adapt to different production needs and environmental changes, thereby improving production flexibility.

[0151] Specifically, in this embodiment, the second placement standard is not exceeding a second deviation range formed by taking the second standard center point as the center and the preset second fixed distance as the radius;

[0152] The second fixed distance is determined according to an actual deviation level between the first actual center point and the first standard center point;

[0153] The third placement standard is that it does not exceed a third deviation range formed by taking the third standard center point as the center and taking a preset third fixed distance as the radius;

[0154] The third fixed distance is determined according to the second actual center point position and the second standard center point position.

[0155] Among them, the second placement image corresponding to the second initial loading position is identified to obtain the second actual center point; the second standard center point is determined according to the second target loading position; and the third standard center point is determined according to the third target loading position.

[0156] Specifically, when the first actual center point is within the first deviation range, two types of actual deviation distances between the first actual center point and the first standard center point are calculated;

[0157] Determining the first actual deviation level according to the two types of actual deviation distances combined with a preset deviation level evaluation value;

[0158] If the second type of actual deviation distance is less than or equal to the deviation level evaluation value, the first actual deviation level is determined to be level one;

[0159] If the second-class actual deviation distance is greater than the deviation level evaluation value, the first-class actual deviation level is determined to be level 2;

[0160] When the first actual deviation level is level one, the second fixed distance = the first fixed distance × [1-(deviation level evaluation value-second type actual deviation distance) / deviation level evaluation value];

[0161] When the first actual deviation level is level 2, the second fixed distance = the first fixed distance × [1-(second-level actual deviation distance-deviation level evaluation value) / deviation level evaluation value]-K;

[0162] When the second actual center point is within the second deviation range, calculating a second type of actual deviation distance between the second actual center point and the second standard center point;

[0163] Determining the secondary actual deviation level according to the two types of actual deviation distances combined with a preset deviation level evaluation value;

[0164] If the second-class actual deviation distance is less than or equal to the deviation level evaluation value, the second-class actual deviation level is determined to be level one;

[0165] If the second-class actual deviation distance is greater than the deviation level evaluation value, the second-class actual deviation level is determined to be level 2;

[0166] When the secondary actual deviation level is level one, the third fixed distance = second fixed distance × [1-(deviation level evaluation value-second type actual deviation distance) / deviation level evaluation value];

[0167] When the secondary actual deviation level is level 2, the third fixed distance = second fixed distance × [1-(second-level actual deviation distance-deviation level evaluation value) / deviation level evaluation value]-K;

[0168] In this embodiment, the deviation level evaluation value is set to 0.2 mm; K is a distance deviation calculation compensation parameter; the distance deviation calculation compensation parameter K is set to 0.2-0.5; and adaptive selection and adjustment are performed according to the production accuracy of the solid-state battery.

[0169] Specifically, the embodiment of the present invention can adaptively adjust the second fixed distance and the third fixed distance by calculating the actual deviation distance between the actual center point and the standard center point, and determining the actual deviation level according to the deviation level evaluation value. This adaptive adjustment helps to ensure that the negative electrode sheet, the solid electrolyte sheet and the positive electrode sheet can be accurately placed under different production conditions, thereby improving the overall performance of the battery; adjusting the second fixed distance and the third fixed distance according to the actual deviation level enables the production line to be flexibly adjusted according to different production conditions, thereby improving the adaptability and flexibility of the production line; by accurately controlling the feeding position and pressing parameters, the placement consistency of all battery cells is ensured, which helps to improve the overall performance and reliability of the battery pack; by adjusting the feeding position and pressing parameters in the first time, the number of battery cells that need to be reworked is reduced, the scrap rate is reduced, and the production cost is saved; by adaptively adjusting the second fixed distance and the third fixed distance, the production line can be produced more efficiently, and the production speed and efficiency are improved; by collecting and analyzing the actual deviation distance and related data, the production process can be continuously optimized and the production quality of future batches can be improved; it provides an effective quality control means for the precise preparation of solid-state batteries, improves the level of production automation, ensures product quality and reduces production costs.

[0170] The calculation compensation parameters and the calculation adjustment parameters described in the present invention have two functions: one is to balance the left and right dimensions of the formula, and the other is to adjust the numerical results. No specific assignment is performed in this embodiment. In addition, the calculation formulas in this embodiment are used to intuitively reflect the adjustment relationship between the numerical values, such as positive correlation and negative correlation. Unless otherwise specified, the parameter values ​​that are not specifically limited to numerical values ​​are all positive.

[0171] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0172] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A large-scale manufacturing process for solid-state batteries, characterized in that: include: preparing a positive electrode slurry, coating the positive electrode slurry on a positive electrode current collector to obtain an intermediate positive electrode material, and drying and consolidating the intermediate positive electrode material to obtain a target positive electrode material; preparing a negative electrode slurry, coating the negative electrode slurry on a negative electrode current collector to obtain an intermediate negative electrode material, and drying and consolidating the intermediate negative electrode material to obtain a target negative electrode material; Depositing a solid electrolyte raw material on a substrate to form a thin film to obtain a target solid electrolyte material; Cutting the target positive electrode material, the target negative electrode material, and the target solid electrolyte material according to target specifications to obtain a plurality of target positive electrode sheets, a plurality of target negative electrode sheets, and a plurality of target solid electrolyte sheets; Placing each target positive electrode sheet, each target negative electrode sheet, and each target solid electrolyte sheet in the corresponding loading bin, and sequentially assembling the target negative electrode sheet, the target solid electrolyte sheet, and the target positive electrode sheet on the stacking table according to the assembly order; Monitor the results of each assembly operation in real time, and determine whether the assembly operation meets the assembly requirements based on the monitoring results. When the assembly operation result satisfies the assembly requirements, performing the next assembly operation; When the results of each assembly operation meet the assembly requirements, determining to generate the target solid-state batteries of the current batch; Transferring the generated target solid-state battery from the stacking table to produce the next batch of solid-state batteries; Among them, each loading bin includes: a first loading bin, a second loading bin and a third loading bin; the first loading bin is used to place each target negative electrode sheet; the second loading bin is used to place each target solid electrolyte sheet; the third loading bin is used to place each target positive electrode sheet; The process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result includes: According to a first transfer operation, the target negative electrode sheet is transferred from the first loading bin to a first target loading position on the stacking table; Initiating a first pressing operation based on a first initial loading position of the target negative electrode sheet relative to the stacking table meeting a first placement standard; According to the first pressing operation, the target negative electrode sheet is pressed once at high temperature to obtain a pressed product, and when the result of the first pressing operation meets the pressing standard, the second transfer operation is started; Wherein, any assembly operation includes: a transfer operation and a pressing operation; The process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result also includes: According to the second transfer operation, the target solid electrolyte sheet is transferred from the second loading bin to a second target loading position on the stacking table; Initiating a second pressing operation based on a second initial loading position of the target solid electrolyte sheet relative to the primary pressing product meeting a second placement standard; According to the second pressing operation, the target solid electrolyte sheet is pressed a second time at high temperature to obtain a second pressed product, and when the result of the second high temperature pressing meets the pressing standard, a third transfer operation is started; The process of monitoring each assembly operation result in real time and determining whether the assembly operation meets the assembly requirements according to the monitoring result for any assembly operation result also includes: According to the third transfer operation, the target positive electrode sheet is transferred from the third loading bin to a third target loading position on the stacking table; Initiating a third pressing operation based on a third initial loading position of the target positive electrode sheet relative to the secondary pressed product meeting a third placement standard; According to the third pressing operation, the target positive electrode sheet is pressed three times at high temperature to obtain a three-time pressed product, and the target solid-state battery is obtained when the three-time high-temperature pressing results meet the pressing standard; The process of starting the first pressing operation based on the first initial loading position of the target negative electrode sheet relative to the stacking table meeting the first placement standard includes: Acquire a first placement image corresponding to the first initial loading position; Identify the first placement image to obtain a first actual center point, and determine whether the first placement standard is met based on the first actual center point and a preset first standard center point; The first placement standard is that the first deviation range is not exceeded, which is formed by taking the first standard center point as the center and a preset first fixed distance as the radius. The second placement standard is that it does not exceed a second deviation range formed by taking the second standard center point as the center and a preset second fixed distance as the radius; The second fixed distance is determined according to an actual deviation level between the first actual center point and the first standard center point; The third placement standard is that the third deviation range is not exceeded, which is formed by taking the third standard center point as the center and the preset third fixed distance as the radius; The third fixed distance is determined according to a second actual deviation level between the second actual center point and the second standard center point; wherein, the second placement image corresponding to the second initial loading position is identified to obtain the second actual center point; the second standard center point is determined according to the second target loading position; and the third standard center point is determined according to the third target loading position; When the first actual center point is within the first deviation range, calculating a second type of actual deviation distance between the first actual center point and the first standard center point; Determining the first actual deviation level according to the two types of actual deviation distances combined with a preset deviation level evaluation value; If the second-class actual deviation distance is less than or equal to the deviation level evaluation value, the first-class actual deviation level is determined to be level one; If the second-class actual deviation distance is greater than the deviation level evaluation value, the first-class actual deviation level is determined to be level two; When the first actual deviation level is level one, the second fixed distance = the first fixed distance × [1 - (deviation level evaluation value - second type actual deviation distance) / deviation level evaluation value]; When the first actual deviation level is level 2, the second fixed distance = the first fixed distance × [1 - (second-level actual deviation distance - deviation level evaluation value) / deviation level evaluation value] - K; When the second actual center point is within the second deviation range, calculating a second type of actual deviation distance between the second actual center point and the second standard center point; Determining the secondary actual deviation level according to the two types of actual deviation distances combined with a preset deviation level evaluation value; If the second-class actual deviation distance is less than or equal to the deviation level evaluation value, the second-class actual deviation level is determined to be level one; If the second-class actual deviation distance is greater than the deviation level evaluation value, the second-class actual deviation level is determined to be level 2; When the secondary actual deviation level is level one, the third fixed distance = second fixed distance × [1 - (deviation level evaluation value - second type actual deviation distance) / deviation level evaluation value]; When the secondary actual deviation level is level 2, the third fixed distance = second fixed distance × [1 - (secondary actual deviation distance - deviation level evaluation value) / deviation level evaluation value] - K; K is the preset distance deviation calculation compensation parameter.

2. The large-scale manufacturing process of solid-state batteries according to claim 1, characterized in that: The process of determining whether the first placement standard is met based on the first actual center point and the preset first standard center point includes: Based on the first actual center point being within the first deviation range, determining that the first transmission operation is qualified, and starting the first pressing operation; Based on the first actual center point not being within the first deviation range, determining that the first transmission operation is unqualified and issuing a first adjustment signal; The first initial loading position is adjusted according to the first adjustment signal to obtain a first actual loading position.

3. The large-scale manufacturing process of solid-state batteries according to claim 2, characterized in that: The process of starting the second transfer operation when the high-temperature pressing result meets the pressing standard includes: Acquiring a first pressing image after a high-temperature pressing operation; Identifying the first laminated image to obtain actual abnormality parameters; Determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters; Based on the result of the high-temperature pressing satisfying the pressing standard, the first pressing operation is determined to be qualified, and the second transfer operation is started; Based on the result of the first high-temperature pressing not meeting the pressing standard, determining that the first pressing operation is unqualified and issuing a second adjustment signal; The initial pressing parameters are adjusted according to the second adjustment signal to obtain first actual pressing parameters, and a re-pressing operation is performed according to the first actual pressing parameters.

4. The large-scale manufacturing process of solid-state batteries according to claim 3, characterized in that: The process of determining whether the high-temperature pressing result meets the pressing standard according to the actual abnormal parameters includes: Identifying the first pressed image to obtain an actual bubble range and an actual number of cracks; Determining whether the first abnormal parameter meets a single determination condition according to the actual bubble range and a preset standard bubble range; Determining whether the second abnormal parameter meets the single determination condition based on the actual crack number and the preset standard crack number; determining whether the high-temperature pressing result meets the pressing standard based on the number of items in the first abnormal parameter and the second abnormal parameter that meet the single determination condition; Among them, when the number of items is equal to 2, it is determined that the high-temperature pressing result of the first time meets the pressing standard; when the number of items is less than 2, it is determined that the high-temperature pressing result of the first time does not meet the pressing standard; the actual abnormal parameters include: the first abnormal parameter and the second abnormal parameter.

5. A solid-state battery assembly device, using the large-scale manufacturing process of solid-state batteries according to any one of claims 1 to 4, characterized in that: include: A first loading bin, which is used to place each target negative electrode sheet; A second loading bin is used to place each target solid electrolyte sheet; The third loading bin is used to place each target positive electrode sheet; a first conveyor belt, used to convey the target negative electrode sheet from the first loading bin to the stacking table, the first conveyor belt being divided into two sections, the two sections of the conveyor belt being connected by a first adjustment shaft, the first adjustment shaft being used to adjust a first initial loading position of the target negative electrode sheet conveyed by the first conveyor belt; a second conveyor belt, used to convey the target solid electrolyte sheet from the second loading bin to the stacking table, the second conveyor belt being divided into two sections, the two sections of the conveyor belt being connected by a second adjustment shaft, the second adjustment shaft being used to adjust a second initial loading position of the target solid electrolyte sheet conveyed by the second conveyor belt; a third conveyor belt, used to convey the target positive electrode sheet from the third loading bin to the stacking table, the third conveyor belt being divided into two sections, the two sections of the conveyor belt being connected by a third adjustment shaft, the third adjustment shaft being used to adjust a third initial loading position of the target positive electrode sheet conveyed by the third conveyor belt; An image collector, which is used to monitor the results of each assembly operation in real time; A plurality of correction robots are used to perform position correction on the assembly process performed on the stacking table.

Images