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Thermal Insulation Materials in Battery Safety
Thermal battery insulation materials are critical in enhancing battery safety by preventing thermal runaway-a chain reaction causing overheating, fires, or explosions. These materials manage heat distribution, isolate high-temperature zones, and suppress flame propagation. Common options include aerogels, ceramic fibers, and polymer-based composites, chosen for their low thermal conductivity, flame retardancy, and mechanical stability. They are integrated into battery modules as coatings, separators, or interlayer barriers to improve thermal resistance while maintaining energy density. With the rise of high-capacity lithium-ion batteries in electric vehicles (EVs) and energy storage systems (ESS), advanced insulation solutions are vital to meet stringent safety and performance standards.