Automated Coin Cell Assembly for Variable Electrolyte Production
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Solution Overview
Problem
Current manual processes for assembling coin cell batteries are labor-intensive, time-consuming, wasteful, and error-prone, especially when varying materials and components are required, limiting the ability to efficiently produce large numbers of coin cells with different compositions.
Innovation Solution
An automated coin cell manufacturing system incorporating robotic subsystems for tasks such as electrolyte dispensing, component picking and placing, and crimping, which allows for the rapid and precise assembly of coin cells with varying materials, including a holding arrangement, electrolyte dispensing component, case providing component, pick and place component, and crimping component, enabling the formation of multiple coin cells per hour with improved accuracy and reduced waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual assembly techniques are used for variable coin cells, then flexibility in material selection is maintained, but labor intensity and time consumption increase significantly
Solution Approach 1:
The manual assembly process is segmented into discrete automated operations: robotic picking of individual components (anode, cathode, separator, spring), automated electrolyte dispensing, and automated crimping. Each segment can be independently controlled to handle different materials, maintaining versatility while enabling high-speed parallel processing of multiple coin cells
Solution Approach 2:
The automated assembly system is designed with universal components that can handle multiple material types. The robotic picking system can accommodate different component sizes and materials through programmable grippers, the electrolyte dispensing system can vary volumes and compositions, and the crimping system can adjust parameters for different cell configurations, all within a single integrated platform
2Adaptability or versatility
If manual assembly techniques are used for variable coin cells, then customization of coin cell compositions is possible, but error rates increase due to human involvement
Solution Approach 1:
The automated system incorporates sensors and control systems that provide real-time feedback on component placement, electrolyte dispensing volumes, and crimping forces. This closed-loop control ensures consistent assembly quality and reduces errors by automatically detecting and correcting deviations from specified parameters for each customized coin cell configuration
Solution Approach 2:
Manual mechanical assembly operations are replaced with automated robotic systems that provide more consistent and precise control over assembly parameters. The robotic picking and placing mechanism, automated dispensing system, and controlled crimping process eliminate human variability and improve reliability while maintaining the ability to customize coin cell compositions
3Adaptability or versatility
If manual assembly techniques are used for variable coin cells, then flexibility in component selection is maintained, but material waste increases due to fluid spillage
Solution Approach 1:
Manual electrolyte dispensing with pipettes is replaced with automated electronic dispensing systems that provide precise volume control and minimize spillage. The automated system can accurately dispense varying electrolyte volumes into different coin cell configurations without the human error and waste associated with manual pipetting, while maintaining flexibility in component selection
4Productivity
If automated systems are implemented for coin cell assembly, then productivity increases, but system complexity increases
Solution Approach 1:
The automated system is divided into separate functional modules: robotic picking station, electrolyte dispensing station, and crimping station. This segmentation allows each module to be optimized independently for its specific function, simplifying control and maintenance while enabling high-throughput parallel processing that increases overall productivity
Solution Approach 2:
Components are pre-sorted and prepared in standardized formats before entering the automated assembly line. The robotic system picks pre-prepared components and places them in predetermined sequences, while electrolyte compositions are pre-mixed and stored in ready-to-dispense containers. This preliminary preparation reduces the complexity of real-time decision-making during assembly and enables faster, more reliable automated processing
Data Source
AI summary
An automated coin cell battery manufacturing system can include a holding arrangement, an electrolyte dispensing component, a case providing component, a pick and place component, and a crimping component. The holding arrangement can hold multiple partially assembled coin cells that can each include electrode(s) and a spacer within a coin cell cap. The electrolyte dispensing component can automatically dispense electrolyte material into the partially assembled coin cells, and the electrolyte material can be different for different coin cells. The case providing component can store multiple coin cell cases and automatically provide the stored coin cell cases. The pick and place component can automatically pick the coin cell cases from the case providing component and can automatically place the coin cell cases on the multiple partially assembled coin cells to form fully assembled coin cells within the holding arrangement. The crimping component can automatically crimp the fully assembled coin cells.