Alumina Coated Battery Separator, PE Base 20μm, 60 mm x 1000 m, Single-Side Coated
Product Overview
Alumina (Al2O3) ceramic coated polyethylene separator supplied as 16+4um/60mmwide*1000mlong. The source data specifies a 16 μm PE base film and 4 μm alumina coating for the 20 μm products.
Product Details
| Product name | Alumina Coated Battery Separator, PE Base 20μm, 60 mm x 1000 m, Single-Side Coated |
| Source specification | 16+4um/60mmwide*1000mlong |
| Process / coating side | Single-side coating |
| Base material | Polyethylene (PE) |
| Coating | Alumina (Al2O3) ceramic |
| Total thickness | 20 ± 2 μm |
| Base-film thickness | 16 μm |
| Al2O3 coating thickness | 4 μm |
| Width | 60 mm |
| Roll length | 1000 m |
| Air permeability | 180 ± 60 sec/100 ml |
| Porosity | 44 ± 5% |
| Areal density | 13 ± 1 g/m² |
| Puncture strength | >600 g |
| Tensile strength MD / TD | >1600 / >1500 kgf/cm² |
| Thermal shrinkage MD / TD | <=2.5% / <=2.0% after 2 h at 90 °C |
| Coating configuration | Single-side coating |
Additional Information
The 4 μm Al2O3 layer is applied to one side only; the opposite side is bare PE and has no PVDF adhesive layer.
Important Note
Note: Slight variations may occur between different production lots of the battery separator. The performance indicators are guaranteed to comply with our product specifications.
Related Products
| Research Need | Related Product | Best For |
|---|---|---|
| Compare nearby specifications | Alumina Coated Battery Separator, PE Base 20μm, 60 mm x 100 m, Single-Side Coated | Same Alumina PVDF coated separator family for direct specification comparison. |
| Review same-family format | Alumina Coated Battery Separator, PE Base 20μm, 60 mm x 600 m, Double-Side Coated | Same Alumina PVDF coated separator family for direct specification comparison. |
| Check alternate thickness | Alumina PVDF Coated Battery Separator, PE Base 16μm, 60 mm x 1000 m, Double-Side Single-Coated | Same Alumina PVDF coated separator family for direct specification comparison. |
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This ceramic coated separator features a polyethylene base film with an aluminum oxide coating for enhanced thermal stability and chemical compatibility. It is designed to minimize internal short circuits in lithium-ion batteries.
- Chemical Compatibility: The separator is compatible with a wide range of electrolytes for diverse lithium-ion battery applications.
- Thermal Stability: The separator provides excellent thermal resistance for safety under various operating conditions.
How does the 4 µm Al₂O₃ ceramic coating on the Atomfair separator trade off against ionic conductivity compared to the 20 µm PE base film?
The 4 µm ceramic coating is engineered to enhance thermal stability and chemical resistance without significantly compromising ionic conductivity, which is primarily provided by the 20 µm PE base film. The product specification states that the base film thickness of 20 µm delivers superior ionic conductivity, while the thin 4 µm coating adds safety benefits by minimizing internal short circuits.
Which electrolyte formulations are compatible with the Atomfair ceramic coated separator for lithium-ion battery research?
The separator is chemically compatible with a wide range of electrolytes, as stated in the product features, making it suitable for diverse lithium-ion applications such as prototypes, energy storage systems, electric vehicles, and portable electronics. The Al₂O₃ coating provides enhanced chemical resistance to withstand common organic electrolytes without degradation.
What handling precautions are required for the Atomfair ceramic coated separator during cell assembly to avoid damaging the 4 µm coating?
Careful handling is necessary to prevent cracking or chipping of the 4 µm Al₂O₃ ceramic layer, which could generate particulates that cause internal short circuits. The product is securely packaged for transit, and researchers should store and assemble it in a dry, clean environment to maintain coating integrity and alignment.
This 24 μm ceramic-coated separator (PE base film with 4 μm Al2O3 coating) offers enhanced thermal stability and chemical resistance for lithium-ion battery research, but the 500 m roll length may exceed the needs of early-stage prototype development.
Positive
- Thermal and chemical coating: The aluminum oxide ceramic coating improves thermal stability and chemical resistance, reducing the risk of thermal runaway and enabling compatibility with a wide range of electrolytes.
- Mechanically robust PE base: The 20 μm polyethylene base film provides mechanical strength and superior ionic conductivity, supporting cell cycle life and minimizing internal short circuits.
Trade-offs
- Large roll quantity for research: Supplied as a 500 m roll, this quantity may be impractical for small-scale laboratory studies that require only a few meters of separator material.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
