As global new energy vehicle sales exceed the 20 million mark, power battery thermal management system ushered in technological iteration. A leading domestic battery manufacturer recently announced that the battery pack made of new silicone rubber sealing material passed the 2000-hour salt spray test, and the thermal conductivity was 40% higher than that of traditional materials. The material uses nano-silicon dioxide modification technology to maintain elasticity in the range of -50℃ to 200℃, successfully solving the problem of battery performance attenuation in extremely cold areas. Industry analysts pointed out that the penetration rate of silicone rubber in charging pile cable insulation, battery module buffer pads and other links has reached 75%, and it is expected that the global automotive silicone rubber market size will exceed US$8 billion in 2025.
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