RFID Transponder for Electrochemical Cell Component Traceability
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Solution Overview
Problem
Current electrochemical cell production lacks early detection and identification of defects and tolerance deviations in components, leading to inefficient sorting and potential functional impairment, with existing methods only allowing batch-level assignment of components rather than individual traceability.
Innovation Solution
Incorporating an RFID transponder with memory into the electrochemical cell to store and transmit data about the cell, enabling unambiguous identification, assignment to production machines, and tracking of components within the production chain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If batch-level assignment of components is used, then device complexity is reduced, but measurement precision and traceability of individual components deteriorate
Solution Approach 1:
The patent segments the component tracking system by assigning unique RFID tags to individual components (electrodes, separators, current collectors) rather than tracking batches as a whole. This segmentation enables precise identification of each component's origin, production parameters, and quality characteristics while maintaining manageable system complexity through standardized tagging procedures.
Solution Approach 2:
The patent uses RFID tags as information copies that store component data without requiring physical inspection or complex measurement systems. Each tag contains a unique identifier and production information that can be read remotely, enabling precise component traceability through simple electromagnetic field interaction rather than complex mechanical or optical identification systems.
2Productivity
If early detection of defects is implemented, then productivity is improved through efficient sorting, but device complexity increases due to additional detection systems
Solution Approach 1:
The patent implements preliminary action by equipping components with RFID tags during the production process itself, rather than adding detection equipment later. This allows defect detection to occur automatically as components move through the production line, enabling immediate identification and sorting of defective items without requiring complex post-production inspection systems.
Solution Approach 2:
The RFID tracking system provides continuous feedback about component status, origin, and quality parameters throughout the production process. This feedback mechanism enables real-time detection of defects and tolerance deviations, allowing the system to automatically sort defective components and maintain high productivity without requiring complex manual inspection procedures.
3Reliability
If individual component traceability is implemented, then reliability of quality control is improved, but loss of information is reduced since all component data can be tracked
Solution Approach 1:
The RFID tag system serves multiple functions simultaneously: it provides unique component identification, stores production parameter information, tracks component origin and manufacturing history, and enables quality control verification. This multi-functionality ensures comprehensive information retention about each component while maintaining a unified, manageable tracking system that improves quality control reliability without requiring separate systems for each information type.
Data Source
AI summary
An electrochemical cell capable of energy storage, includes: a housing that encloses an interior space, a composite body arranged in the interior space and formed from at least two electrodes and at least one separator, and an RFID transponder, the memory of which contains data about the cell.