Battery cell, battery device, and electric device
By designing a recessed structure and multiple layers of insulation components on the flange of the battery cell, the insulation failure problem caused by inconsistent flanges was solved, thereby improving the insulation performance and reliability of the battery cell.
CN224554657UActive Publication Date: 2026-07-24CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
In existing battery cells with concave designs, inconsistent flanges can lead to insulation failure and affect reliability.
Method used
A battery cell structure is designed, wherein the first flange portion is provided with a recessed structure to reduce width unevenness and improve adhesion consistency, and insulation performance is improved through multi-layer insulating components and marking structures.
Benefits of technology
It improves the insulation performance and reliability of individual battery cells, reduces the possibility of edge lifting, and enhances electrical insulation performance and overall adhesion consistency.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure CN224554657U_ABST
Abstract
The application provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises a shell and a first insulation piece. The shell comprises a containing cavity, a first wall and a second wall. The first wall is located at one side of the containing cavity along a first direction, and the second wall is located at one side of the containing cavity along a second direction. The outer side of the first wall is provided with a first recess, and the first recess penetrates the first wall along the second direction. The first insulation piece comprises a first insulation part. The first insulation part comprises a first main body and a first flange. The first main body covers the second wall, and the first flange is bent towards the first wall relative to the first main body and attached to the first wall. The first flange comprises a first part and a second part connected with each other. The first part is located in the first recess, and the second part is located outside the first recess. When the first insulation part is in a flat state, the side end face of the first part away from the first main body is recessed relative to the side end face of the second part away from the first main body. According to the application, the reliability of the battery monomer can be effectively improved.
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