What are the heating membranes of new energy power batteries?
Data:
2022-12-30
First of all, the working principle of the heating film of the new energy vehicle battery is that the low temperature causes the increase of the internal resistance of the battery. By installing a device that can generate oscillating current at both ends of the battery, the current can pass through the cell with large internal resistance, so that a large amount of heat can be generated inside the battery. At last, the temperature of the battery will rise rapidly. The heating film commonly used for the new energy battery includes: silica gel heating film, PI heating film, and epoxy plate heating film. According to the application requirements, these three types are relatively common, the difference is:; The temperature resistance of silica gel heating film can reach 250 ℃, the product thickness is 1.6 ± 0.2mm, and the pressure resistance is 2500V/1Min; The temperature resistance of PI heating film is 180 degrees, the product thickness is 0.3-0.5mm, and the pressure resistance is AC1500V/1Min; The epoxy plate heating film has a temperature resistance of 180 degrees, a thickness of 0.8-2mm, and a pressure resistance of 2500V/1Min. The actual application can be customized according to the specific use.
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