Application principle and advantages of thermal conductive Silicone Sheet in new energy batteries

The principle of using thermal conductive silicone sheets in new energy batteries is mainly reflected in its role as an efficient heat-conducting medium, effectively transferring and dispersing the heat generated by the battery, ensuring that the battery operates within a safe and stable temperature range. The following is a detailed explanation of the principle of using thermal conductive silicone sheets in new energy batteries

I、Characteristics and functions of thermal conductive silicone sheet

Thermally conductive silicone sheet is a thermally conductive medium Material Synthesized by special process with silicone as base material and metal oxides as auxiliary materials. It has good properties of wear resistance, tear resistance, insulation, shock absorption, high compressibility, etc. It can effectively cover uneven surfaces, fill gaps, and buffer the stress generated by the structure.

II、Working principle of thermal conductive silicone sheet in new energy batteries

Heat conduction：

1.Thermally conductive silicone sheets have excellent thermal conductivity and can transfer the heat generated by the battery from the heating device or battery cell to the heat dissipation element.

2.In the battery module, thermally conductive silicone sheets are usually installed between battery cells, between battery cells and heat dissipation pipes, or between battery cells and metal casings to improve heat conduction efficiency through surface contact.

Temperature control：

1.The use of thermally conductive silicone sheets helps to control the overall temperature difference of the battery pack within a reasonable range, such as within 5°C, to meet the requirements of battery pack design.

2.Through the heat conduction of the thermally conductive silicone sheet, the heat in the battery module can be evenly distributed to each battery cell, thereby reducing the temperature difference between the single cells, increasing the overall heat capacity of the battery pack, and thus reducing the overall average temperature.

Heat dissipation：

In new energy battery packs, thermally conductive silicone sheets are usually used in conjunction with cooling fans, liquid cooling tubes and other cooling elements.

The thermally conductive silicone sheet conducts the heat generated by the battery cell to the cooling fan or liquid cooling tube, and then takes the heat away through air convection or coolant circulation, thereby ensuring that the battery module operates at a stable operating temperature.

III、Application advantages of thermal conductive silicone sheet

1.Improve battery utilization: By effectively dissipating heat, thermally conductive silicone sheets help keep the battery running within the optimal operating temperature range, thereby improving battery utilization and extending battery life.

2.Protect battery packs: The high electrical insulation and puncture-proof properties of thermally conductive silicone sheets provide good protection for battery packs, while its excellent buffering and shock absorption properties can reduce damage to battery packs when subjected to impact.

3.Simplify heat dissipation design: The application of thermally conductive silicone sheets can simplify the heat dissipation design of battery packs and reduce the complexity and cost of the heat dissipation system.

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