Product Description
Lithium Battery Separator Alumina Powder is a high-purity alumina powder material specifically designed for coating lithium-ion battery separators. It features high purity, uniform particle size distribution, excellent high-temperature resistance, and good insulation properties, and is widely used in the field of lithium battery separator ceramic coatings.
In lithium-ion batteries, the safety and thermal stability of the separator are crucial. Using Alumina Powder for ceramic coating of lithium battery separators can significantly improve the high-temperature resistance of the separator, reduce thermal shrinkage, and enhance battery safety and cycle life. Therefore, it has become an important material in the manufacture of power batteries and energy storage batteries.
Product Features
Our Lithium Battery Separator Alumina Powder offers the following advantages:
·High-purity alumina
·Uniform particle size distribution, easy to disperse
·Ultra-fine alumina powder
·Excellent high-temperature resistance
·Excellent insulation properties
·Good chemical stability
This Battery Grade Alumina Powder significantly improves the safety and stability of lithium battery separators.
Product Advantages
Coating the surface of a lithium-ion battery separator with ceramic aluminum powder offers the following advantages:
·Improved high-temperature resistance of the separator
·Reduced high-temperature shrinkage rate of the separator
·Improved battery safety
·Enhanced battery cycle life
·Strengthened mechanical properties of the separator
·Improved electrolyte wettability
·Improved battery stability
·Reduced risk of internal short circuits
Therefore, battery separator coating aluminum powder has become one of the key materials in lithium-ion battery manufacturing.
Lithium Battery Separator Alumina Powder

Product Parameters
| Item | ALPW-LAP |
| SiO2(%) | 0.02 |
| Al2O3% | 99.99% |
| Fe2O3(%) | 0.01 |
| Na2O (%) | 0.02 |
| D50(μm) | 0.5-0.9 |
| SBET(m2/g) | 3-8 |
FAQ
Q1: Why is alumina powder used in lithium-ion battery separators?
A: Alumina powder is used in the ceramic coating of separators to improve the separator's high-temperature resistance, reduce thermal shrinkage, and enhance battery safety and cycle life.
Q2: What is the particle size of the alumina powder used in lithium-ion battery separators?
A: Ultrafine alumina powder is generally used, with a particle size D50 commonly between 0.5μm and 1μm.
Q3: Can you provide battery-grade alumina powder?
A: Yes, we can provide 99%, 99.5%, and 99.9% high-purity alumina powder for lithium-ion battery separator coating.
Q4: Can you customize the particle size and specific surface area?
A: We can customize the particle size distribution and specific surface area according to the separator coating process requirements.
Q5: What is the role of alumina powder in separator coating?
A: Its main role is to improve the separator's high-temperature resistance, enhance mechanical strength, and improve battery safety and stability.
contact us
If you are looking for a reliable supplier of Lithium Battery Separator Alumina Powder, we can provide high-purity alumina powder, battery-grade alumina powder, separator coating alumina powder, as well as technical support and sample testing services.
Please contact us for product specifications, samples, and quotations. We will provide you with professional lithium battery separator material solutions.
Hot Tags: lithium battery separator alumina powder, suppliers, manufacturers, properties, price, life, uses, powder, types, production, regeneration, buy, MSDS, HS code

