Battery monomer, battery device, energy storage device, energy storage system, power utilization device and charging network
By optimizing the ratio of support thickness to shell height and the thermally conductive and insulating composite structure, the problem of heat dissipation and capacity balance of battery cells under large capacity was solved, thereby improving the cycle life and reliability of battery cells.
CN224400464UActive Publication Date: 2026-06-23CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202620400573.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2025-05-23
- Filing Date
- 2026-03-30
- Publication Date
- 2026-06-23
- Estimated Expiration
- 2036-03-30
AI Technical Summary
Technical Problem
In the process of increasing the volumetric energy density of existing battery cells, it is impossible to effectively balance capacity and heat dissipation requirements, which affects cycle life.
Method used
By optimizing the ratio of the thickness of the support components to the height of the outer shell, ensuring that 4×10-4≤a/h≤30×10-4, and combining the composite structure of heat conductors and insulators, the heat conduction path is optimized, achieving efficient heat dissipation and reducing the risk of short circuits.
Benefits of technology
It achieves stable operation of large-capacity battery cells, improves cycle life, reduces performance degradation caused by high temperature, and enhances the reliability and safety of the battery system.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model provides a battery monomer, a battery device, an energy storage device, an energy storage system, a power utilization device and a charging network. The battery cell comprises: a housing having an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the supporting piece is arranged in the containing cavity, the supporting piece and the electrode assembly are distributed in the first direction, and the supporting piece is located between the electrode assembly and the shell; wherein in the first direction, the thickness size of the supporting piece is a, the height size of the shell is h, and the thickness size a of the supporting piece and the height size h of the shell meet the condition that a / h is larger than or equal to 4 * 10 <-4 > and smaller than or equal to 30 * 10 <-4 >. The battery capacity and the heat dissipation requirement can be effectively balanced, and the cycle life of the battery is ensured.
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