Lithium iron phosphate battery manufacturer explains in detail the functions of the thermal management system of lifepo4 18650 battery

　　Lithium iron phosphate battery manufacturer explains in detail the functions of the thermal management system of lifepo4 18650 battery. The thermal management system of power lifepo4 18650 battery is a very important part of electric vehicles, affecting power consumption, battery life, battery life, etc. Lithium battery pack thermal management systems are necessary for electric vehicle power battery systems. Reliable and efficient thermal management systems are of great significance to the reliable and safe application of electric vehicles.

　　Lithium iron phosphate battery manufacturer explains in detail the functions of the thermal management system of lifepo4 18650 battery

　　Due to the limited space in the vehicle, the accumulation of heat generated during battery operation will cause uneven temperatures everywhere and affect the consistency of the battery cells. This will reduce the battery charge and discharge cycle efficiency, affect the battery's power and energy performance, and in severe cases will lead to thermal runaway, affecting system safety and reliability. In order to maximize the performance and life of the battery pack, the lithium battery pack needs to be thermally managed to control the battery pack temperature within a reasonable range.

　　①Accurate measurement and monitoring of battery temperature.

　　② Effective heat dissipation and ventilation when the temperature of the lithium battery pack is too high.

　　③Rapid heating under low temperature conditions.

　　④ Effective ventilation when harmful gases are generated.

　　⑤ Ensure the uniform distribution of the temperature field of the lithium battery pack.

　　The main functions of lithium iron phosphate battery pack thermal management include: accurate measurement and monitoring of battery temperature; effective heat dissipation when the battery pack temperature is too high; rapid heating under low temperature conditions; ensuring uniform distribution of the lithium battery pack temperature field; battery cooling system Matching with other cooling units.

　　The lithium battery pack thermal management system is mainly composed of heat transfer medium, measurement and control unit and temperature control equipment. After the heat-conducting medium comes into contact with the lithium battery pack, the heat generated in the battery system is dissipated to the external environment through the flow of the medium. The heat-conducting medium mainly includes three categories: air, liquid and phase change materials. The measurement and control unit controls the temperature control equipment to perform corresponding heat treatment by measuring the real-time temperatures at different locations of the battery system, battery modules and even cells.

　　To design a lithium battery pack thermal management system with good performance, a systematic design approach must be adopted. Reasonably optimize and improve the internal thermal environment of the lithium battery pack and improve its reliability.

　　Summary: An efficient and intelligent power lithium iron phosphate battery pack thermal management system will be the goal of future development and is of great significance to the safety of new energy vehicles.

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