二次电池
By placing extinguishing agent on the rolled edge of the battery can and sealing it with a sealing part, the problem of spontaneous combustion when a cylindrical secondary battery is ignited is solved, achieving an effective fire extinguishing effect.
CN115769425BActive Publication Date: 2026-07-17LG ENERGY SOLUTION LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LG ENERGY SOLUTION LTD
- Filing Date
- 2021-07-26
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing cylindrical secondary batteries are prone to spontaneous combustion when ignited and lack effective fire extinguishing devices, leading to the spread of fire.
Method used
The extinguishing agent is placed on the canister-shaped part of the battery, and the extinguishing agent is contained in the groove formed by the rolled edge and sealed with a sealing part. When the battery is ignited, the extinguishing agent is sprayed to extinguish the flame.
Benefits of technology
It effectively extinguishes battery flames, prevents the fire from spreading, and improves battery safety.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN115769425B_ABST
Abstract
本发明涉及二次电池。根据本发明的二次电池包括：电极组件，在该电极组件中，电极和分隔件交替堆叠以卷绕；罐状件，在该罐状件中，接纳电极组件，并且该罐状件包括穿过其上端形成的开口和向内弯曲以在罐状件的外部形成凹槽的卷边部；盖组件，该盖组件稳定地安置在卷边部上以覆盖罐状件的开口；灭火化学品，该灭火化学品接纳在凹槽中以熄灭二次电池中可能发生的火；以及密封部，该密封部用于密封凹槽。
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