Energy storage power lithium battery with liquid leakage detection function

By setting a card slot and a detection strip outside the lithium battery body and connecting it with the detection device assembly, timely detection and warning of liquid leakage in lithium battery is achieved, and the electrolyte leakage caused by high temperature of lithium battery is solved, and the safety of the battery is improved.

CN222673115UActive Publication Date: 2025-03-25GUANGDONG JINMODA TECH CO LTD
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Patent Information

Application Number
CN202420855370.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-03-25
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing lithium batteries will increase the internal pressure of the main housing at high temperatures, causing gaps to appear at the connection between the top cover and the main housing, resulting in electrolyte leakage and the failure to detect liquid leakage in time.

Method used

An energy-storage power lithium battery with liquid leakage detection function is designed. By setting a first card slot and a second card slot near the top outside the battery body, and a detection strip and a card block are set in the card slot. The detection strip is connected to the detection device assembly. When the electrolyte leaks out, the detection strip is turned on and the detection device issues a warning.

Benefits of technology

It can promptly detect and issue warnings when liquid leakage occurs in lithium batteries, improve the safety of lithium batteries and avoid battery failure and safety risks caused by liquid leakage.

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Abstract

The energy storage power lithium battery comprises a battery body, a first clamping groove is formed in the position, close to the top end, of the exterior of the battery body, a first detection strip is arranged in the first clamping groove, and first clamping blocks are arranged on the two sides of the first detection strip; a second clamping groove is formed in the bottom, close to the first clamping groove, of the exterior of the battery body, a second detection strip is arranged in the second clamping groove, and second clamping blocks are arranged on the two sides of the second detection strip. According to the utility model, one end of the first detection strip and one end of the second detection strip are connected with the detection device assembly, and when liquid leaks from the interface, the liquid flows downwards, so that the first detection strip and the second detection strip are conducted, and meanwhile, the detection device assembly gives out an alarm, thereby solving the problem that the liquid leakage of the lithium battery is caused. Therefore, the safety of the lithium battery is improved.
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