Electrode Coordinate Tracking for Battery Process Traceability
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Solution Overview
Problem
Existing systems lack the capability to effectively track and retrieve history data of battery manufacturing processes, particularly in the electrode process, which is crucial for determining yield and performance.
Innovation Solution
A system and method that associates coordinate data with inspection and measurement data from various sub-processes, using electrode IDs to generate monitoring data, correcting for data inversion and loss, and integrating this information across multiple manufacturing stages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a system stores and associates coordinate data with inspection and measurement data across multiple manufacturing sub-processes, then traceability and reliability of battery manufacturing are improved, but device complexity and data processing requirements increase
Solution Approach 1:
The system divides the manufacturing process into discrete sub-processes (coating, roll press, slitting, notching, lamination) and associates coordinate data with each sub-process independently. This segmentation allows traceability to be established at each stage without requiring a monolithic complex system, as each sub-process can be tracked and associated with electrode IDs separately.
Solution Approach 2:
Coordinate data serves as an intermediary element that links inspection and measurement data across different manufacturing sub-processes. By using coordinate data (position, length, width information) as the mediating structure, the system can associate data from various processes without direct complex interconnections between all process systems.
2Measurement precision
If coordinate data is processed to correct inversions and mismatches across sub-processes, then measurement precision is improved, but processing time and computational resources increase
Solution Approach 1:
The system performs preliminary correction of coordinate data inversions and mismatches at the point where data is collected from each sub-process. By addressing inversion issues (such as when electrode width or position data is captured in reverse orientation) immediately upon data generation rather than in a centralized post-processing step, the system maintains measurement precision while minimizing additional processing time.
3Manufacturing precision
If the system associates electrode IDs with coordinate data from multiple sub-processes, then manufacturing precision is improved, but data storage requirements and system complexity increase
Solution Approach 1:
The coordinate data structure is designed to serve multiple functions simultaneously: it tracks electrode position, dimensions (length and width), and serves as a key for associating inspection and measurement data across different sub-processes. This multi-functionality reduces the need for separate data structures for each purpose, thereby optimizing data storage requirements while maintaining manufacturing precision.
Data Source
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AI summary
A monitoring system of monitoring a battery manufacturing process is provided. The system includes: a first server configured for storing a first coordinate-related data set in which coordinate data indicating lengthwise positions on an electrode are associated with inspection data and/or measurement data obtained from the positions of the electrode being subject to a plurality of manufacturing sub-processes, and an identification data set including an electrode identifier, ID, identifying a respective sectional electrode that has been obtained by cutting off a lengthwise section from the electrode, a memory storing instructions, and at least one processor configured to execute the instructions stored in the memory to perform operations of: 1) associating an electrode ID selected from the identification data set with the coordinate data of the first coordinate-related data set representing the lengthwise section of the electrode from which the sectional electrode identified by the electrode ID has been obtained, and 2) generating monitoring data on the battery manufacturing process based on the coordinate data associated with the electrode ID.