Insulating Layer Die Adjustment for Scratch-Free Electrode Coating
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Solution Overview
Problem
Existing electrode manufacturing dies fail to adjust the position and angle of the nozzle part without damaging the active material layer, leading to scratches, uneven thickness, and shape changes in the insulating layer, which compromises electrode quality.
Innovation Solution
The electrode manufacturing device incorporates a die for forming an insulating layer with a nozzle part, a first and second angle adjusting part, and an azimuth adjusting part to precisely control the spraying angle and position, ensuring minimal distance from the active material layer and uniform layer formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the distance between the active material layer and the die for forming insulating layer is reduced to form a thin insulating layer, then the insulating layer thickness is reduced, but the active material layer may be scratched
Solution Approach 1:
The die is designed with movable and adjustable components, including the nozzle part that can move in the vertical direction and rotate, and the inclined surface that can be adjusted in angle and position. This dynamic structure allows the die to adapt to different electrode sheet conditions and maintain optimal spraying distance without contacting the active material layer, thus preventing scratches while forming thin insulating layers
Solution Approach 2:
The die includes adjustable parameters such as the inclination angle of the inclined surface (adjustable between 0-45 degrees), the position of the nozzle part, and the distance between the die and electrode sheet. By changing these parameters, the system can optimize the spraying process to achieve thin uniform insulating layers without scratching the active material layer
2Object-affected harmful factors
If the distance between the active material layer and the die for forming insulating layer is increased to prevent scratching, then the active material layer is protected, but the insulating layer thickness becomes too thick
Solution Approach 1:
The movable nozzle part and adjustable inclined surface allow the die to dynamically adjust its position and angle, enabling close proximity spraying without contact. This resolves the contradiction by allowing the die to be close enough for thin layer formation while the adjustable geometry prevents scratching through controlled non-contact spraying
Solution Approach 2:
The die incorporates multi-dimensional adjustment capabilities including vertical movement of the nozzle, rotational adjustment, and angular adjustment of the inclined surface. These dimensional adjustments enable precise control of the spraying geometry to achieve thin layers without scratching
3Reliability
If the insulating layer thickness is increased to prevent electrode shape changes, then the insulating layer provides better protection, but the insulating layer may swell and cause bending or detachment
Solution Approach 1:
By precisely controlling the spraying parameters including nozzle distance, angle, and insulating liquid flow rate, the system forms thin uniform insulating layers that provide adequate protection without excessive thickness. This prevents swelling, bending, and detachment while maintaining electrode shape stability
4Shape
If the insulating layer thickness is reduced to prevent swelling and shape changes, then the electrode shape is maintained, but the insulating layer may be too thin to provide adequate insulation
Solution Approach 1:
The system optimizes spraying parameters including nozzle distance, angle, and liquid flow rate to achieve the minimum effective thickness for insulation. The adjustable die geometry ensures uniform thin layer formation that provides adequate insulation while preventing swelling and shape changes
Solution Approach 2:
The system uses controlled spraying deposition instead of thick coating methods, achieving adequate insulation through precise thin layer formation. This substitution allows for thinner layers that maintain insulation performance without causing swelling or shape changes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration prevents scratches and ensures a thin, uniform insulating layer, enhancing electrode quality and reducing material usage and costs.
Implementation Method 1
a nozzle part (41) for spraying an insulating liquid onto the electrode sheet material
Data Source
Figure 1
Figure 2~3
AI summary
The present invention provides an electrode manufacturing device comprising: a coater roller disposed to support an electrode sheet material; a moving space part in which the electrode sheet material is moved by the rotation of the coater roller; and a die for forming an insulating layer, installed on a moving path of the electrode sheet material, wherein the die for forming an insulating layer comprises: a nozzle part for spraying an insulating liquid onto the electrode sheet material; a first angle adjusting part for adjusting an angle of the nozzle part in a moving direction of the electrode sheet material; a second angle adjusting part for adjusting an angle of the nozzle part in a direction perpendicular to the moving direction of the electrode sheet material; and an azimuth adjusting part formed to draw an arc around the rotation axis of the coater roller and capable of moving a position of the nozzle part along the arc.