CN-122029651-A - Secondary battery manufacturing system and secondary battery manufacturing method

Abstract

According to an exemplary embodiment, a secondary battery manufacturing system is provided. The system includes a controller configured to collect cell Identifier (ID) sensing data based on an ID sensing signal generated based on a data matrix read by a data matrix reader, wherein the cell ID sensing data includes a cell ID that is a read value of the data matrix and a device number that matches the cell ID, and the device number indicates an installation location of the data matrix reader.

Inventors

• ZHANG CHENGYUAN
• Pu Jingcan
• LI XIYUAN
• Pu Yingxian
• Jin Zhengzhen
• Han Jiongxu
• LI XIXUN
• JIN MINXIU
• Zheng Duiguang

Assignees

• 株式会社LG新能源

Dates

Publication Date

20260512

Application Date

20241206

Priority Date

20231211

Claims (20)

1. 1. A secondary battery manufacturing system, the secondary battery manufacturing system comprising: A controller configured to collect cell ID sensing data based on a cell identifier ID sensing signal generated based on a data matrix read by a data matrix reader, Wherein the cell ID sensing data includes a cell ID as a read value of the data matrix and a device number matching the cell ID, and The device number indicates an installation location of the data matrix reader.
2. 2. The secondary battery manufacturing system according to claim 1, wherein the cell ID sensing data further comprises a serial number that matches the cell ID and indicates a sensing sequence of the data matrix.
3. 3. The secondary battery manufacturing system according to claim 2, wherein the serial number is counted by the controller.
4. 4. The secondary battery manufacturing system according to claim 1, wherein the device number further indicates a process to be performed by an apparatus mounted with the data matrix reader.
5. 5. The secondary battery manufacturing system according to claim 4, wherein the apparatus is configured to perform one of a grooving process, a lamination process, a stacking process, a folding process, and a packaging process.
6. 6. The secondary battery manufacturing system of claim 1, further comprising a processor including a first application programming interface API configured to receive the cell ID sensing data.
7. 7. The secondary battery manufacturing system according to claim 6, wherein the processor is configured to process an image of an electrode intermediate product including the data matrix, and The device number indicates a method of processing an image of the electrode intermediate by the processor.
8. 8. The secondary battery manufacturing system according to claim 7, wherein the processor is configured to determine the quality of the electrode intermediate product based on the image of the electrode intermediate product.
9. 9. The secondary battery manufacturing system of claim 7, wherein the processor further comprises a second API configured to communicate with a server.
10. 10. The secondary battery manufacturing system according to claim 9, wherein the second API is configured to transmit a log file of the processor to the server.
11. 11. The secondary battery manufacturing system according to claim 10, wherein the transmission of the log file is based on a trigger event.
12. 12. The secondary battery manufacturing system according to claim 12, wherein the triggering event includes the cell ID replicating the cell ID sensing data.
13. 13. The secondary battery manufacturing system according to claim 11, wherein the trigger event includes the cell ID omitting the cell ID sensing data.
14. 14. The secondary battery manufacturing system according to claim 11, wherein the trigger event includes the device number omitting the cell ID sensing data.
15. 15. The secondary battery manufacturing system according to claim 11, wherein the trigger event includes omitting a serial number of the cell ID sensing data, Wherein the serial number matches the cell ID, and The serial number of the cell ID sensing data indicates the sensing sequence of the data matrix.
16. 16. The secondary battery manufacturing system according to claim 11, wherein the trigger event is a command to collect the log file transmitted from the server.
17. 17. The secondary battery manufacturing system according to claim 11, wherein the trigger event is an arrival of a preset date and time at which the log file is to be collected.
18. 18. The secondary battery manufacturing system according to claim 9, wherein the second API is configured to receive update data for updating the first API from the server.
19. 19. The secondary battery manufacturing system according to claim 9, wherein the second API is configured to receive a command to operate the first API from the server.
20. 20. A secondary battery manufacturing system, the secondary battery manufacturing system comprising: a data matrix reader configured to sense a data matrix to generate a cell identifier, ID, sense signal, and A controller configured to collect die ID sensing data based on the die ID sensing signal, Wherein the cell ID sensing data includes a cell ID as a read value of the data matrix and a serial number that matches the cell ID and indicates a sensing sequence of the data matrix.

Description

Secondary battery manufacturing system and secondary battery manufacturing method Technical Field The present application relates to a secondary battery manufacturing system and a secondary battery manufacturing method. The present application claims the benefit of priority based on korean patent application 10-2023-0178213 filed on 11/12/2023 and korean patent application 10-2024-0097709 filed on 24/7/2024, and the entire contents of these korean patent applications are incorporated herein by reference. Background Unlike a primary battery, a secondary battery may be charged and discharged a plurality of times. Secondary batteries have been widely used as energy sources for various types of wireless devices such as handsets, laptop computers, and cordless cleaners. Recently, the main use of secondary batteries has been developed from mobile devices to the traffic field, because the manufacturing cost per unit capacity of the secondary batteries has been significantly reduced due to improved energy density and economies of scale, and the range of Battery Electric Vehicles (BEVs) has been increased to the same level as that of fuel vehicles. The secondary battery is manufactured through an electrode process, an assembly process, and an activation process. In order to improve the yield and reliability of the secondary battery manufacturing process, it is important to ensure traceability of the manufacturing process. Accordingly, various studies have been made to ensure traceability of the secondary battery manufacturing process. Disclosure of Invention Technical problem The present invention relates to a secondary battery manufacturing system and a secondary battery manufacturing method with improved traceability. Technical proposal Embodiments of the present invention provide a secondary battery manufacturing system. The secondary battery manufacturing system includes a controller configured to collect cell Identifier (ID) sensing data based on an ID sensing signal generated based on a data matrix read by a data matrix reader, wherein the cell ID sensing data includes a cell ID as a read value of the data matrix and a device number matching the cell ID, and the device number indicates an installation location of the data matrix reader. The cell ID sensing data may also include a serial number that matches the cell ID and indicates a sensing sequence of the data matrix. The sequence number may be counted by the controller. The device number may also indicate the process to be performed by the apparatus in which the data matrix reader is installed. The apparatus may be configured to perform one of a grooving process, a lamination process, a stacking process, a folding process, and a packaging process. The secondary battery manufacturing system may further include a processor including a first Application Programming Interface (API) configured to receive the cell ID sensing data. The processor may be configured to process an image of an electrode intermediate comprising the data matrix, and the device number may indicate a method of processing the image of the electrode intermediate by the processor. The processor may be configured to determine a quality of the electrode intermediate based on the image of the electrode intermediate. The processor may also include a second API configured to communicate with a server. The second API may be configured to transmit a log file of the processor to the server. The transmission of the log file may be based on a triggering event. The trigger event may include the cell ID replicating the cell ID sensing data. The trigger event may include the cell ID omitting the cell ID sensing data. The trigger event may include the device number omitting the cell ID sensing data. The triggering event may include omitting a sequence number of the cell ID sensing data, and the sequence number may match the cell ID, and the sequence number of the cell ID sensing data indicates a sensing sequence of the data matrix. The trigger event may be a command to collect the log file transmitted from the server. The trigger event may be the arrival of a preset date and time at which the log file is to be collected. The second API may be configured to receive update data for updating the first API from the server. The second API may be configured to receive a command from the server to operate the first API. Exemplary embodiments provide a secondary battery manufacturing system. The secondary battery manufacturing system includes a data matrix reader configured to sense a data matrix to generate a cell Identifier (ID) sensing signal, and a controller configured to collect the cell ID sensing data based on the cell ID sensing signal, Wherein the cell ID sensing data includes a cell ID as a read value of the data matrix and a serial number that matches the cell ID and indicates a sensing sequence of the data matrix. The cell ID sensing data may further include a device number indicating an installation