Battery shell assemblies and power supply devices
The shell assembly for batteries with separate shell and cover plate connections addresses welding stability issues, achieving stable and efficient assembly with thinner walls and improved safety.
JP2026517832APending Publication Date: 2026-06-02BYD CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- BYD CO LTD
- Filing Date
- 2023-11-20
- Publication Date
- 2026-06-02
Smart Images
Figure 2026517832000001_ABST
Abstract
A shell assembly for a battery, a battery, and a power supply device are provided. The shell assembly includes a shell having a first meshing surface and a first end surface formed at one end of the shell, with an angle between the first meshing surface and the first end surface being α1, and a cover plate covering one end of the shell and forming a first surface, with a protruding portion formed on the first surface that projects inward toward the shell, and a second meshing surface formed on the protruding portion that is adapted to abut the first meshing surface. The angle between the second meshing surface and the first surface is α2, and α1 and α2 satisfy α1 < 90° and α2 > 90°.
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