PI Solid State Battery Separator 16-25μm with 42% Porosity and 350°C Heat Resistance for Lithium Ion Batteries
Price:
1-1000USD/Negotiable
MOQ:
100g
Delivery Time:
5-7 days
Brand:
XWELL
Product Description
Product Overview
Xwell Research's polyimide (PI) separators are high-performance membranes engineered for next-generation battery systems, including solid-state and sodium-ion batteries. These separators deliver exceptional thermal stability from -160°C to 350°C with optimized 42% porosity, enabling safer and more efficient energy storage solutions for research laboratories and industrial applications.
Technical Specifications
| Parameter | PI-40 | PI-80 |
|---|---|---|
| Thickness Options | 16/20/25 μm | 16/20/25 μm |
| Density | 0.81 g/cm³ | 0.81 g/cm³ |
| Porosity | 42% | 42% |
| Air Permeability | 3 sec | 3 sec |
| Tensile Strength (MD) | 94 MPa | 94 MPa |
| Puncture Resistance | 400g | 400g |
Material Advantages
Extreme Temperature Performance
- Stable operation from -160°C to 350°C (surpassing conventional PP/PE separators)
- No thermal shrinkage at high temperatures
Mechanical Robustness
- Superior puncture resistance (400g) for lithium metal anode compatibility
- Balanced MD/TD tensile strength (94/64 MPa)
Electrochemical Optimization
- 42% porosity enables 5% higher electrolyte absorption versus standard separators
- Low impedance for high-rate applications
Handling & Processing Guidelines
- Pre-Treatment: Bake at >100°C for 2-3 hours (moisture removal)
- Cell Assembly: Maintain winding tension
- Electrolyte Filling: Use 5% more electrolyte than conventional separators
- Formation Protocol: Add 2 extra charge-discharge cycles post CV/CC formation
Packaging & Storage
| Attribute | Specification |
|---|---|
| Packaging | Roll + Vacuum-sealed bag + Foam padding |
| Storage Temperature | 0°C to 35°C |
| Relative Humidity | ≤75% |
| Shelf Life | 12 months in original packaging |
Applications
- Solid-State Battery Research
- Sodium-Ion Battery Development
- High-Temperature Battery Systems
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
GUANGDONG XWELL TECHNOLOGY CO., LTD.
Location
Room 316, Building 3, No. 801, Qiaoxing Avenue, Xiaoluo Village, Shatou Street, Panyu District, Guangzhou
Contact Person
Sammy Qin