What are the applications of thermal silicone pad in power batteries-NFION

What are the applications of thermal silicone pad in power batteries

Author：Nfion Thermal Management Date：2024-04-11 14:23:14

power battery pack

In the application of power batteries, thermal silicon pad plays a vital role. With the rapid growth of the electric vehicle market, the performance requirements of power batteries are becoming stricter. As an efficient thermal management material, thermal conductivity silicon pad, its excellent thermal conductivity and stable chemical properties, make it play an irreplaceable role in thermal management of power batteries.

The application of thermal silicon pad is mainly reflected in the following aspects:

1. Thermal management and heat dissipation effect:

Temperature balance: Power batteries will generate a lot of heat during the working process, especially when fast charging or high power runtime. If these heat is not dispersed in time and effectively, the internal temperature of the battery may cause uneven temperature and local heat, which will affect the performance, safety and service life of the battery. Because of its good thermal conductivity, heating silicon pad is used inside the battery pack. It is attached between the battery monomer or between the battery module and the shell. (Such as aluminum shells or liquid cold plates, etc.), thereby helping maintain the temperature difference between the temperature between the parts of the battery pack to control the safe range, and it is usually required to not exceed 5℃.

thermal silicone pad for power batteries

2. Fill gap and shock absorption buffer:

Adaptability and stability: During the assembly of the power battery, due to factors such as manufacturing tolerances and the differences in thermal expansion coefficients, there may be small gaps between the battery monomer and the monomer, between the module and the shell. The thermal silicon pad has good softness and elasticity, which can fill these gaps closely to ensure good thermal contact, and at the same time can absorb and relieve vibration and impact, and enhance the mechanical stability of the battery system.

3. Insulation and protection:

Electrical safety: The thermal silicon pad is used as an insulation material and has good electrical insulation performance. It can prevent short circuits between different components inside the battery and ensure the electrical safety of the battery system. In addition, its chemical properties are stable, high-temperature and anti -aging, can resist chemical erosion in the battery working environment and provide additional protective layers.

Power battery pack structure diagram

4. Convenient craftsmanship and economy:

Easy-to-use and cost benefits: Thermal silicon pad can be cut into the required shape and size. When installation, you only need to simply place and apply appropriate pressure to form a good bonding with the contact surface. Battery production process. At the same time, compared with other high-end heat dissipation technology (such as liquid cooling system), the cost of thermal silicon pad is low, and it is simple to maintain and has a high cost performance.

5. Adapt to complex structure and customization requirements:

Flexible design: For the power batteries of different models and structures, thermal silicon pad can be customized according to actual needs to customize the thickness, hardness, thermal conductivity coefficient to meet different heat dissipation requirements and space restrictions. In addition, some thermal silicon pads may also add special additives to enhance specific performance, such as improving refractory levels and improving compression -based transformation, etc., to meet the specific needs of power batteries in different application scenarios.

The application of thermal silicon pad in power batteries

In summary, thermal silicon pad plays a key thermal management role in the application of power batteries. Through multiple functions such as effective heat dissipation, filling gap, insulating protection, simplified process, and adapting to complex structures, it will help improve the overall performance of power batteries, and Reliability and service life are indispensable thermal management components in modern new energy vehicles, especially electric vehicles, especially electric vehicles.

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