Battery Electrode Coating Die With Detachable Flow Rectification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing coating technologies face challenges in ensuring consistent coating thickness during the battery electrode plate production, leading to inconsistencies in battery performance, safety, and service life due to uneven slurry distribution and pressure variations within the coating die.
Innovation Solution
A coating die with a detachable rectifying mechanism featuring branching channels and adjustable flow control, allowing for pressure uniformity and easy adaptation to changing coating requirements by replacing the rectifying mechanism without altering the die body, thereby improving coating thickness consistency and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional coating die structure is used, then the device complexity is low, but the coating thickness consistency deteriorates due to pressure differences in slurry flow
Solution Approach 1:
The coating die is segmented into a die body and a detachable rectifying mechanism. The rectifying mechanism is further divided into multiple independent rectifying units, each with its own flow control channel. This segmentation allows the complex flow control function to be isolated in a separate module, improving coating thickness consistency without excessively complicating the overall die structure.
Solution Approach 2:
The rectifying mechanism acts as an intermediary component between the slurry inlet and the coating outlet. It introduces flow control channels that mediate the slurry flow, equalizing pressure differences and ensuring uniform coating thickness. This intermediary structure resolves the contradiction by adding a specialized component that handles the complex flow control function.
2Manufacturing precision
If the coating die structure is modified to improve coating consistency, then the coating thickness consistency improves, but the replacement efficiency deteriorates due to difficulty in replacing the rectifying mechanism
Solution Approach 1:
The rectifying mechanism is designed with dynamic connectivity - it can be detachably connected to the die body through mounting holes and fastening structures. This dynamic connection allows the rectifying mechanism to be easily replaced when coating requirements change, maintaining high replacement efficiency while preserving the flow control functionality that ensures coating consistency.
Solution Approach 2:
By separating the rectifying mechanism from the die body as an independent detachable module, the system allows for easy replacement of only the rectifying mechanism rather than the entire coating die. This segmentation maintains coating consistency through the specialized flow control design while enabling efficient replacement of the modular component.
3Adaptability or versatility
If multiple rectifying mechanisms with different specifications are used to meet varying coating requirements, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The die body is designed as a universal platform with standardized mounting holes and attachment structures that can accommodate multiple different rectifying mechanisms. This universal design allows the same die body to work with various rectifying mechanisms of different specifications, achieving high adaptability without increasing the complexity of the die body itself.
Solution Approach 2:
The system is segmented into a universal die body and interchangeable rectifying mechanisms. This segmentation allows different rectifying mechanisms to be developed independently with specific optimizations for different coating requirements, while the universal die body provides a consistent interface. This reduces overall complexity by separating the variable component (rectifying mechanism) from the constant component (die body).
Data Source
AI summary
Disclosed is a coating die and a battery electrode plate coating apparatus. The coating die is configured to apply a slurry on a substrate. The coating die includes a die body and a rectifying mechanism. The die body is provided with a discharging outlet. The rectifying mechanism is provided with a feeding inlet and a branching channel, where the feeding inlet is configured for injecting the slurry, the branching channel communicates with the feeding inlet and is provided with multiple branching openings, and the rectifying mechanism is exposed to the outside of the die body and is detachably connected to the die body, so that the multiple branching openings communicate with the discharging outlet.