A low temperature lithium battery system

By introducing a heating module and a temperature control BMS management system into the low-temperature lithium battery system, the problems of capacity decay, increased internal resistance, and charging difficulties of lithium batteries in low-temperature environments are solved, and the stable operation and safety of the battery at low temperatures are achieved.

CN224502060UActive Publication Date: 2026-07-14SHENZHEN CENT POWER TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN CENT POWER TECH
Filing Date
2025-07-01
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional lithium batteries suffer from capacity decay, increased internal resistance, charging difficulties, and shortened cycle life in low-temperature environments, and also exhibit poor safety and stability.

Method used

A low-temperature lithium battery system was designed, which includes a heating module and a temperature control BMS management system. The heating module is activated by the online monitoring unit of the charger to ensure that the battery module maintains a suitable temperature at low temperatures, and a multi-layer protection mechanism is set up.

Benefits of technology

It effectively maintains the battery module at a suitable temperature, ensuring that the battery module is always fully charged, improving the backup power time and safety of the equipment. It has a simple structure, is easy to maintain, and has a wide range of applications.

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    Figure CN224502060U_ABST
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Abstract

The application relates to a low-temperature lithium battery system which comprises a cabinet, a panel, at least one battery module, at least one heating module and a temperature control BMS management system; the battery module is arranged in the cabinet, the panel covers one end of the cabinet; the temperature control BMS management system is arranged on the side of the panel close to one side of the battery module; the heating module is abutted with the battery module, and the battery module and the heating module are arranged in one-to-one correspondence; the temperature control BMS management system is connected with the heating module and the battery module respectively; a charger online monitoring unit is arranged in the temperature control BMS management system, and the charger online monitoring unit is connected with the battery module. Through the application, the battery module can be kept in a suitable environment temperature all the time, the battery module can be kept in a full power state, the standby power time of equipment is more stable, and the system is safer and more reliable.
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