Composite cover plate, top cover assembly and battery
By designing a composite cover plate structure, the welding difficulty of the titanium-aluminum composite cover plate and the battery casing is reduced, the forming efficiency is improved, and the problem of high forming and welding costs in the existing technology is solved, realizing efficient and low-cost battery manufacturing.
CN224366960UActive Publication Date: 2026-06-16SHENZHEN KEDALI INDUSTRY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN KEDALI INDUSTRY CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-06-16
AI Technical Summary
Technical Problem
Existing titanium-aluminum composite cover plates face challenges in forming and welding with the shell, resulting in high processing costs.
Method used
The composite cover plate structure includes a titanium plate and an aluminum plate. The edge of the titanium plate is set with an upwardly bent flange that is welded to the inner wall of the battery casing. The aluminum plate is limited and set in the receiving groove. The flange is formed by stamping and is welded with an annular groove to avoid the use of cutting tools.
Benefits of technology
It reduces molding difficulty and processing costs, improves welding efficiency and quality, and enhances battery production efficiency and stability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224366960U_ABST
Abstract
The utility model belongs to battery technical field discloses a kind of composite cover, top cover assembly and battery.The composite cover includes titanium plate body and aluminium plate body, titanium plate body and aluminium plate body are laminated, the edge of titanium plate body is provided with the flange portion of bending upwards, battery housing is titanium housing, flange portion is attached and welded to the inner side wall of battery housing close to the side of open structure, flange portion and the bottom of titanium plate body are enclosed to form accommodating groove, aluminium plate body is limitedly set in accommodating groove.In welding, the flange portion of titanium plate body is attached and welded to the inner side wall of battery housing close to the side of open structure, by forming flange portion, the material of composite cover for welding can be matched with the material of battery housing, facilitate the welding of composite cover and battery housing, reduce the welding difficulty with battery housing.Moreover, the composite cover is formed more quickly, the use of cutting tool can be avoided, thereby reducing the manufacturing cost.
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