Battery Cell Assembly Conveyance for Coating and Encasing Stability
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Solution Overview
Problem
The manufacturing process of battery cells is inefficient, leading to reduced production efficiency and yield rates, with existing methods causing damage to electrode assemblies during handling and requiring frequent tool changes, which affects the quality and reliability of battery cells.
Innovation Solution
A device and method for assembling battery cells using a conveyance mechanism that fixes and conveys electrode assemblies between workstations for coating and encasing, eliminating the need for repeated tool changes and minimizing external force-induced damage, by using a clamping assembly and driving assembly to stabilize and move the electrode assemblies during the coating and encasing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If different transport tools are used for handling electrode assembly at different workstations, then the electrode assembly can be conveyed through various processes, but the electrode assembly is damaged by external forces and the assembling efficiency is reduced
Solution Approach 1:
The conveyance mechanism is designed to perform multiple functions: it conveys the electrode assembly from the coating station to the encasing station, provides clamping to prevent damage, and maintains stable positioning throughout the assembly process. This single multi-functional mechanism replaces the need for multiple separate transport tools, thereby improving assembling efficiency while preventing damage to the electrode assembly.
2Productivity
If multiple transport tools are changed during handling, then different processes can be performed, but the tool changes reduce assembling efficiency and increase complexity
Solution Approach 1:
The conveyance mechanism is designed as a universal device that can perform multiple operations including conveying, clamping, and positioning. This eliminates the need to switch between different transport tools at various workstations, thereby simplifying the overall device complexity and improving assembling efficiency by maintaining a consistent handling mechanism throughout the process.
3Productivity
If electrode assembly is handled frequently with different tools, then various assembly operations can be performed, but the qualification rate and yield rate of battery cells are reduced
Solution Approach 1:
The conveyance mechanism serves as a reliable universal handler that performs multiple assembly operations including conveying the electrode assembly between stations, providing stable clamping to prevent damage, and maintaining proper positioning. This reduces the qualification rate issues and yield rate losses associated with frequent handling by different tools, as the single mechanism provides consistent and gentle handling throughout the assembly process.
Data Source
AI summary
An embodiment of this application provides a device and method for assembling a battery cell. The device includes: a conveyance mechanism, configured to fix an electrode assembly and convey the electrode assembly to a coating station; a coating mechanism, configured to coat at least a part of an outer surface of the electrode assembly with an insulation layer at the coating station, where the conveyance mechanism is further configured to: convey the electrode assembly coated with the insulation layer to an encasing station; and an encasing mechanism, configured to fit, at the encasing station, a housing peripherally onto the electrode assembly coated with the insulation layer. The device and method for assembling a battery cell disclosed herein can improve the assembling efficiency of battery cells.