Electrode Assembly Plate with Detachable Sub-Plate for Easy Release
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Solution Overview
Problem
The electrode assembly adheres to the stack table or pressing plate during manufacturing, leading to efficiency deterioration and damage, which complicates the process.
Innovation Solution
An electrode assembly manufacturing plate with a support plate, sub-plate, and distance control unit that adjusts the distance between the sub-plate and support plate to facilitate easy separation of the electrode assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the electrode assembly is pressed and heated during manufacturing, then the bonding between electrode and separator is improved, but the electrode assembly adheres to the stack table or pressing plate causing process efficiency deterioration and damage
Solution Approach 1:
The pressing plate is divided into a support plate and a detachable sub-plate. The sub-plate can be separated from the support plate after pressing, allowing the electrode assembly to be easily removed without adhering to the main support structure, thus improving process efficiency while maintaining bonding strength
Solution Approach 2:
The sub-plate is extracted as a separate detachable component from the pressing plate. After the pressing operation completes the bonding function, the sub-plate is removed and the electrode assembly is easily detached, eliminating the adhesion problem that would reduce productivity
2Strength
If the electrode assembly is pressed and heated during manufacturing, then the bonding between electrode and separator is improved, but the electrode assembly may be damaged during separation from the stack table or pressing plate
Solution Approach 1:
By segmenting the pressing plate into detachable sub-plate and support plate, the separation process occurs in two stages: first the sub-plate is removed, then the electrode assembly is easily detached from the support plate without damage, preserving reliability while achieving strong bonding
Solution Approach 2:
The sub-plate acts as an intermediary between the pressing force and the electrode assembly during bonding, then serves as a temporary carrier that facilitates damage-free removal. The auxiliary support unit further mediates the separation process by providing support during detachment
3Device complexity
If a flat pressing plate is used during manufacturing, then the structure is simple, but the electrode assembly adheres to the plate requiring complex separation processes
Solution Approach 1:
The pressing plate is segmented into a simple support plate and a detachable sub-plate. This segmentation maintains structural simplicity while enabling easy separation - the sub-plate is removed first, then the electrode assembly detaches easily from the support plate without complex separation processes
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
The solution allows for quick separation of the electrode assembly without damage, improving process efficiency and reducing product defects.
Implementation Method 1
a distance control unit provided on the support plate and configured to push a part of an opposing surface to a surface of the sub-plate, which is opposite to the support plate, from the support plate
Implementation Method 2
the sub-plate may have a structure that is inflated when air is injected into the sub-plate, and the distance control unit may be an air blowing unit configured to inject air into the sub-plate
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(b)
Figure 3
AI summary
The present invention relates to an electrode assembly manufacturing plate, which includes a support plate, a sub-plate provided on one surface of the support plate, and a distance control unit provided on the support plate and configured to push a part of an opposing surface to a surface of the sub-plate, which is opposite to the support plate, from the support plate so that a distance from a part of the opposing surface to the support plate is different from a distance from the remaining portion to the support plate, an electrode assembly manufacturing apparatus including the same, and an electrode assembly manufacturing method.