1. Good flame retardant performance
Aerogel itself has non-combustible characteristics, as a battery insulation material, can effectively block the spread of flame and heat in dangerous situations such as thermal runaway of the battery, prevent the spread of fire, buy time for personnel evacuation and rescue, and greatly improve the safety of electric vehicles.
2. High chemical stability
Aerogel paper has excellent chemical stability, can resist the corrosion of chemical substances such as acid and alkali that may exist in the battery working environment, and always exerts its heat insulation and protection function stably and reliably during long-term use to ensure the safety and stability of the battery system.
3.Long service life
The structure of aerogel is stable, not easy to aging, deterioration, and its service life is about 4 times that of traditional thermal insulation materials, which can provide stable thermal insulation protection for electric vehicle batteries for a long time, reducing the battery performance decline and safety risks caused by the failure of thermal insulation materials.
4. High space utilization rate
Under the premise of achieving the same thermal insulation effect as traditional thermal insulation materials, the thickness of the aerogel paper can be reduced by 3-8 times, which can save more valuable space for the limited space of the battery pack, which is conducive to optimizing the internal layout of the battery pack and improving the energy density of the battery pack.
5. Sound insulation and noise reduction
The aerogels are filled with nano holes, which is an ideal acoustic resistance coupling material and invisible material for ultrasonic detectors. It has certain absorption and blocking effects on sound, which can reduce the noise generated in the battery pack during the driving of electric vehicles and improve the comfort of the car.
6. Electrical insulation performance
Aerogel has good electrical insulation performance, which can effectively prevent electrical short circuits between different battery cells in the battery pack and between the battery and the surrounding metal parts, and further improve the safety and reliability of the battery system.
The Application Of Aerogel Paper For Ev Battery
1. Thermal insulation: Aerogel paper has a very low thermal conductivity, which can effectively reduce the heat loss of the battery in a low temperature environment, maintain the battery temperature within the appropriate working range, and improve the battery charging and discharging efficiency and mileage. For example, in cold weather, the aerogel paper can help the battery maintain temperature, so that the battery can output a relatively stable current, reducing the deterioration of battery performance due to low temperatures.
2 flame retardant and fire prevention: aerogel itself is not combustible, as a battery insulation material, in the battery thermal control and other dangerous situations, can effectively block the spread of flame and heat, prevent the spread of fire, improve the safety of electric vehicles.
3. Electrical insulation: Aerogels have good electrical insulation properties, which can prevent electrical short circuits between different battery cells in the battery pack and between the battery and the surrounding metal parts, further ensuring the safety and reliability of the battery system.
4. Buffer shock absorption: aerogel paper has certain flexibility and compression properties, and can be used as a buffer material between cells to adapt to the expansion and contraction of the battery during the charging and discharging process, reduce the extrusion and friction between cells, and extend the service life of the battery.
5. Space optimization: Under the premise of achieving the same thermal insulation effect as traditional thermal insulation materials, the thickness of aerogel paper can be greatly reduced, which can save more precious space for the battery pack with limited space, which is conducive to optimizing the internal layout of the battery pack and improving the energy density of the battery pack.
6. Sound insulation and noise reduction: The aerogel is filled with nano holes, which has a certain absorption and blocking effect on sound, which can reduce the noise generated in the battery pack during the driving of electric vehicles and improve the comfort of the car.
7. Body heat insulation: In addition to the battery itself, aerogel paper can also be used for body heat insulation, flame retardant, reduce the impact of external heat on the interior environment, improve the comfort of the car and the efficiency of the air conditioning system, but also help reduce the energy consumption of the vehicle in a high temperature environment.
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