Polyimide Solid-state Battery Isolation Film PIP40 Lithium-ion Battery High Temperature Resistant Thermally Stable Ternary 811 Material
Product Overview
Xwell's PIP40 polyimide separator is an advanced high-temperature membrane engineered for next-generation solid-state batteries. Featuring a unique 3D microporous structure and exceptional thermal stability (up to 530°C), this yellow film provides critical safety and performance advantages for cutting-edge battery research and development.
Key Specifications
| Parameter |
Value |
Test Standard |
| Thickness |
30±5 μm |
ISO 4593 |
| Basis Weight |
3±0.5 g/m² |
ASTM D3776 |
| Porosity |
>90% |
Mercury Porosimetry |
| Air Permeability |
0.080s (0.12bar) |
ISO 5636-5 |
| Temperature Range |
-160~350°C |
Thermal Analysis |
| Tensile Strength (MD/TD) |
≥5 MPa |
ASTM D882 |
| Liquid Absorption |
>80% |
Gravimetric Method |
Material Advantages
-
Unmatched Thermal Safety
- Withstands extreme temperatures (-160°C to 350°C operational)
- No melting point observed (decomposition at 530°C)
-
Structural Integrity
- 3D fiber network provides rigid mechanical support
- Maintains dimensional stability with gel electrolytes
-
Optimized Performance
- Adjustable pore structure for different battery systems
- Superior electrolyte retention (>80% absorption)
-
Safety Assurance
- Prevents thermal runaway in abuse conditions (needle penetration, impact)
- Non-flammable composition
Applications
- Solid-State Battery Prototyping
- High-Temperature Battery Systems
- Safety-Critical Energy Storage
