Fuzhou Fuqiang Precision Co., Ltd.
Centennial Fuqiang Global Presence
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Mica Sheet for EV Batteries: Superior Thermal Management and Insulation
Product Overview
Designed to optimize thermal regulation within EV battery packs, the Mica Sheet efficiently disperses heat and reduces the risks of thermal runaway—a prevalent issue in lithium-ion batteries. Its inherent thermal resistance ensures the battery operates within its ideal temperature range, enhancing safety and significantly improving battery efficiency and lifespan.
The Mica Sheet also excels in electrical insulation, providing a robust barrier against electrical leaks and short circuits, thereby further safeguarding the battery's integrity. Its exceptional insulation properties help maintain the battery's efficiency and avert potential electrical hazards.
Electrical Insulation
The Mica Sheet offers robust electrical insulation, preventing leaks and short circuits, thereby protecting the battery's integrity. Its exceptional insulation properties help maintain battery efficiency and prevent electrical hazards.
Specification Overview
| Specification Category | Details |
| Material Composition | Natural mica sheet, possibly combined with reinforcing materials to improve thermal resistance and mechanical strength.
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| Thickness Range | Variable (e.g., 0.2mm to 4mm), customizable for specific battery pack designs.
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| Thermal Conductivity | Low, ensuring effective insulation and heat dispersion within the battery pack.
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| Thermal Resistance | High, capable of withstanding extreme temperatures encountered in EV battery operations.
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| Operating Temperature Range | Broad, accommodating the operational extremes of EV batteries (e.g., -40°C to +350°C).
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| Electrical Insulation | Excellent, providing high dielectric strength to prevent electrical leaks and short circuits.
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| Chemical Resistance | Resistant to oils, acids, alkalis, and other chemicals typically found in the EV battery environment.
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| Flexibility | Varies based on mica sheet type and production process, adapting to complex battery geometries.
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| Water Absorption | Low, maintaining insulation properties in humid conditions.
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| Flame Retardant | Inherently flame resistant, enhancing overall battery pack safety.
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| Dimensions | Customizable, including length, width, and cut shapes to meet specific design requirements of EV battery packs.
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Applications:
1. Between Battery Cells: Ensures uniform heat distribution and electrical insulation between cells, preventing thermal runaway.
2. Within Battery Modules: Enhances thermal management and provides electrical insulation in closely packed cells.
3. At the Battery Pack Level: Used in the thermal management system to insulate the pack from external heat sources and manage internal heat.
4. As a Fire Barrier: Acts as a fire barrier within the battery pack due to its natural flame resistance.
5. For Vibration Damping: Absorbs and dampens vibrations, protecting battery cells and modules from mechanical stress.
Our Mica Sheet is an essential component for EV manufacturers aiming to improve battery safety and performance while meeting environmental and safety standards. For more information or to request a sample, please contact our silicone experts.