Connecting sheet, cover plate assembly and battery
By combining seam welding and through welding to connect the plates and terminals, the problem of incomplete welding in the existing technology is solved, and the current carrying capacity of the connecting plates and terminals and the volumetric energy density of the battery are improved.
CN224696920UActive Publication Date: 2026-08-28三一红象电池有限公司
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Patent Information
- Application Number
- CN202522288292.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-29
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-10-29
AI Technical Summary
Technical Problem
In existing technologies, the welding of connecting pieces and poles usually adopts through welding, which is prone to producing incomplete welds and affecting the current carrying capacity.
Method used
The plate and the pole are connected by a combination of seam welding and through welding. The seam welding part is used to connect the plate to the pole, and the through welding part is used to connect the plate to the pole, thereby increasing the welding area and improving the connection reliability.
Benefits of technology
Reduce the risk of poor soldering, increase the welding area, improve the current flow capacity between the connecting piece and the terminal, save space in the cover plate assembly, and increase the volumetric energy density of the battery.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to battery technical field discloses connecting piece, cover plate subassembly and battery, include: piece main part has the first surface and the second surface who sets up opposite interval along its thickness direction, piece main part is opened with through -hole along the thickness direction, the through -hole is suitable for inserting the pole, the part of piece main part around through -hole forms the seam weld joint part, penetrates the welding part, sets up opposite along the thickness direction with through -hole, the opposite two sides of penetrates the welding part along the thickness direction forms the pole lamination face and the welding use face respectively, the connecting part connects piece main part and penetrates the welding part, the utility model discloses utilize the seam weld joint part that piece main part around through -hole formed and the pole carry out seam weld connection, utilize penetrates the welding part and the pole carry out penetration weld connection, therefore, can make connecting piece through seam weld + penetration weld mode and the pole carry out connection, reduce the risk of virtual welding of connecting piece and the pole, and can increase the welding area of connecting piece and the pole, improve the overcurrent capacity between connecting piece and the pole.
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