PE Separator Film for Battery Applications Thickness: 12μm, Width: 60mm, Length: 500 m, 1 roll: 500 m

Technical Specification:

1. Material Composition:
   • Base Material: Polyethylene (PE).
     • High chemical resistance and mechanical durability.
   • Optional Coating:
     • Ceramic or polymer coating for enhanced thermal stability and safety.
2. Physical Dimensions:
   • Thickness: 12 μm.
     • Thin yet durable, ensuring efficient ionic conductivity and mechanical separation.
   • Width: 60 mm.
     • Suitable for various battery electrode formats.
   • Length: 500 meters per roll.
3. Structural Properties:
   • Porosity: Typically 35–50%, enabling optimal ion transport.
   • Pore Size: Uniform micro-porous structure for consistent performance.
4. Mechanical Properties:
   • Tensile Strength:
     • High mechanical integrity to withstand handling during assembly.
   • Puncture Resistance:
     • Durable against potential damage from electrode roughness.
5. Thermal Properties:
   • Operating Temperature Range: Reliable operation between -20°C and 120°C.
   • Thermal Shutdown:
     • Pore closure occurs at elevated temperatures (typically 130–140°C) to prevent thermal runaway.
6. Chemical Compatibility:
   • Compatible with a wide range of lithium-ion battery electrolytes, including organic solvents and salts.

Applications:

1. Primary Applications:
   • Battery Separator:
     • Provides physical separation between the cathode and anode, preventing short circuits while allowing ionic flow.
2. Industries:
   • Battery Manufacturing:
     • Used in lithium-ion, lithium-polymer, and solid-state batteries for diverse applications.
   • Electric Vehicles (EVs):
     • Essential for lightweight and high-energy-density battery packs in EVs.
   • Consumer Electronics:
     • Powers devices such as smartphones, laptops, tablets, and power tools.
   • Energy Storage Systems (ESS):
     • Applied in modular and grid-scale energy storage solutions.
3. Advantages for Applications:
   • Thin and Efficient:
     • 12 μm thickness optimizes energy density while maintaining structural integrity.
   • High Ionic Conductivity:
     • Micro-porous structure ensures efficient ionic transport.
   • Thermal Stability:
     • Resists deformation under typical battery operating conditions.
   • Customizable Dimensions:
     • Can be tailored for specific battery cell designs.
4. Specialized Uses:
   • High-Performance Batteries:
     • Ideal for applications requiring enhanced energy density and safety, such as EVs and aerospace batteries.
   • Solid-State Battery Research:
     • Can serve as a base for hybrid separator designs.
   • Advanced Energy Storage:
     • Supports high-capacity systems for renewable energy integration.
5. Challenges and Mitigation:
   • Thermal Deformation:
     • Uncoated PE separators may deform at high temperatures.
       • Solution: Use ceramic-coated separators for applications with higher thermal demands.
   • Tearing During Handling:
     • Thin films are prone to damage during unwinding or assembly.
       • Solution: Employ precision handling systems with tension control.

Summary:

The PE Separator Film for Battery Applications, with a thickness of 12 μm, width of 60 mm, and roll length of 500 meters, is a critical component in lithium-ion battery manufacturing. Its excellent ionic conductivity, mechanical strength, and thermal stability make it ideal for electric vehicles, consumer electronics, and energy storage systems. This separator supports the development of high-performance batteries while ensuring safety and reliability.