Thickness: 20/25/38 μm
Primary Application: High energy lithium battery systems
Packaging Type: As per requirement
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PP/PE/PP Trilayers Battery Separator
Product Description
The PP/PE/PP trilayer battery separator is a specialized composite membrane designed for use in advanced batteries, combining the unique properties of polypropylene (PP) and polyethylene (PE). With PP forming the outer layers and PE the middle layer, this separator offers a unique balance of thermal stability, mechanical strength, and shutdown capability. The high melting point of PP ensures structural integrity at elevated temperatures, while the lower melting point of PE allows for effective shutdown in the event of overheating, enhancing battery safety. This trilayer structure offers robust mechanical properties, chemical resistance to electrolytes, and optimal porosity, making it ideal for applications such as consumer electronics, electric vehicles, and energy storage systems. As a leading supplier of battery materials, our company is committed to providing you with high performance PP/PE/PP trilayers battery separator. If our product piques your interest, please do not hesitate to contact us.
Technical Data
| Product Name | 20 µm PP/PE/PP Battery Separator | 25 µm PP/PE/PP Battery Separator | 38 µm PP/PE/PP Battery Separator |
| Catalog Number | ACM-BS04 | ACM-BS05 | ACM-BS06 |
| Thickness | 20 µm | 25 µm | 38 µm |
| Gurley (JIS) | 530 Seconds | 620 Seconds | 780 Seconds |
| Porosity | 39 % | 39 % | 45 % |
| PP Pore Size(Avg. Diameter) | 0.027µm | 0.028 µm | 0.035 µm |
| TD Shrinkage @ 90°C / 1 Hour | 0 % | 0 % | 0 % |
| MD Shrinkage @ 90°C / 1 Hour | 5 % | 5 % | 7 % |
| Puncture Strength | 360 Grams | 380 Grams | 550 Grams |
| TD Tensile Strength | 165 Kg/cm2 | 150 Kg/cm2 | 165 Kg/cm2 |
| MD Tensile Strength | 2050 Kg/cm2 | 1700 Kg/cm2 | 1630 Kg/cm2 |
Note: We can customize the thickness, width and length of our products according to your requirements. If you have other specification requirements, we can also customize for you.
Product Features
- Excellent resistance to acids, bases and most chemicals
- Uniform pore structure for high chemical and thermal stability
- Excellent antioxidant performance ensures outstanding cycling and trickle charging capabilities
- Zero TD shrinkage reduces internal short circuits and improves high temperature dimensional stability
- PP outer layer provides high temperature melt integrity, oxidation resistance
- PE inner layer provides high-speed shutdown features
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