Anhui Xiangchen New Materials Technology Co., Ltd.
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Silicone Foam Interface Splicing Technology to Solve the Problem of Water Seepage in Battery Box
2024-09-06
The power battery box is sealed with silicone foam, but its interface is easy to loosen and deform, which will cause the danger of water entering the box. Silicone enterprises should be how to conquer?
Organic silica gel is widely used in the power battery PACK link, or heat conduction and heat dissipation, or structural bonding, or box sealing... Although the amount is not much, it is indispensable, and it plays a very good role in helping the power battery box and even the vehicle safety.
Take Tesla as an example, the application of silicone products in its model series is a case in which many host factories and silicone manufacturers in the industry are competing to learn. Behind the competition is the comprehensive embodiment of the contradiction between the low entry threshold of silicone products in the new energy automobile industry, but the high difficulty of the actual supporting requirements.
For example, taking the box seal as an example, due to its good hydrophobicity, high and low temperature resistance, and small permanent compression deformation, silicone foam is widely used in the current new energy vehicle battery pack box seal, but the organic silicone The specific surface area is small, and the bonding force of ordinary glue becomes weaker and weaker over time. When the new energy vehicle runs in a complex actual working environment, it is affected by factors such as high and low temperature, vibration, it is easy to cause the interface to collapse or even rot after long-term compression, thus causing water to enter the box body, causing the battery pack to be scrapped in the light, and causing the battery pack to short-circuit, fire and explosion, ultimately affecting the safe use of the whole vehicle.
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