一种采用柱极耳的电池结构及其制造方法
By adopting a columnar tab structure in the battery structure, the problem of misalignment in traditional sheet tab welding is solved, the reliability of current extraction and production automation are achieved, and the battery production cost is reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NINGBO BODA WUTONG BATTERY CO LTD
- Filing Date
- 2023-05-09
- Publication Date
- 2026-07-17
AI Technical Summary
In traditional battery structures, it is difficult to ensure the alignment of the positive current collector and the positive electrode cap after the tabs are welded, which affects the reliability of current extraction. In addition, the production process is complicated, the equipment investment is large, and it is difficult to automate, resulting in high costs.
The column lug structure is adopted, and the column lugs are positioned and fixed on the positive current collector and the combined cover by the upper and lower ends to ensure the center line is aligned. The welding process is simplified by the design of column lugs with different shapes, so as to achieve positioning installation and welding fixation.
It improves the reliability of current extraction, simplifies production processes and equipment investment, reduces battery production costs, and promotes the automation of battery production.
Smart Images
Figure CN116315476B_ABST