Pouch Cell Sealing Chamber Layout for Higher Throughput
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing battery cell pouch sealing devices have insufficient processing capacity and speed due to the limitation of accommodating only two cells per chamber, leading to increased equipment costs and complexity with multiple chambers and vacuum pumps.
Innovation Solution
A battery cell sealing device that allows multiple rows of cells within a single chamber, using a sealing unit with multiple cylinders and thrust conversion mechanisms to press and seal both side surfaces of pouches, enabling simultaneous sealing of multiple cells in a 2×2 array configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If only two battery cells are accommodated in one chamber, then the sealing structure is simple, but the processing capacity is insufficient
Solution Approach 1:
The sealing unit is divided into multiple independent sealing bars (first sealing bar, second sealing bar, third sealing bar, fourth sealing bar) that can independently seal different battery cells. Each sealing bar is controlled by its own cylinder, allowing simultaneous sealing of multiple cells (2×2 array) in a single chamber without requiring multiple chambers, thus increasing productivity while maintaining manageable structural complexity
Solution Approach 2:
The single chamber is designed to accommodate and seal multiple battery cells (up to 4 cells in 2×2 arrangement) simultaneously through the multi-bar sealing unit. The sealing system performs multiple sealing operations in one chamber, making the chamber multi-functional and increasing processing capacity without proportionally increasing chamber数量
2Productivity
If multiple chambers are used to increase processing capacity, then the productivity increases, but the equipment cost and complexity increase
Solution Approach 1:
Multiple sealing functions that would traditionally require multiple chambers are merged into a single chamber. The sealing unit with multiple sealing bars (controlled by first, second, third, and fourth cylinders) enables simultaneous sealing of multiple battery cells in one chamber, eliminating the need for multiple chambers and their associated vacuum pumps, thus increasing productivity while reducing equipment complexity and cost
Solution Approach 2:
Instead of increasing productivity by adding more chambers (spatial expansion in one dimension), the invention utilizes the horizontal arrangement of multiple sealing bars within a single chamber. The sealing bars are arranged to seal battery cells in a 2×2 array configuration, effectively using the chamber's horizontal space to accommodate multiple cells simultaneously, thereby increasing processing capacity without increasing the number of chambers
3Productivity
If battery cells are arranged in multiple rows, then the processing capacity increases, but the sealing mechanism complexity increases
Solution Approach 1:
The sealing unit is segmented into multiple independent sealing bars (first, second, third, fourth sealing bars), each controlled by its own cylinder. This segmentation allows each sealing bar to independently seal one battery cell edge, enabling the system to handle multiple cells arranged in rows and columns simultaneously while keeping each sealing mechanism relatively simple and manageable
Solution Approach 2:
The sealing bars are designed to be movable along the battery cell edges through their respective cylinders. This dynamic capability allows the sealing bars to adapt to the positions of battery cells arranged in multiple rows and columns, enabling flexible sealing of 2×2 or other configurations without requiring a rigid complex structure, thus increasing productivity while controlling mechanism complexity
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 significantly increases the production and processing capacity of battery cells per chamber, reducing the overall equipment cost and allowing for more efficient use of space, while maintaining high sealing accuracy and speed.
Implementation Method 1
a vacuum pump 230 for removing air from the chamber 200
Implementation Method 2
both side surfaces of the pouch of each battery cell are pressed using sealing bars 5 from both sides of a pouch case to seal one side of the pouch
Data Source
AI summary
The present invention relates to a battery cell sealing device for sealing a pouch of a battery cell, more particularly, to a battery cell sealing device configured to be capable of simultaneously sealing a plurality of battery cells accommodated in one chamber to be able to increase production or processing capacity of the battery cells in one chamber and accordingly, decrease cost of an entire equipment.