GF/D D5 Glass Fiber Separator, High-Porosity Glass Fiber Membrane for Sodium-Ion, Potassium-Ion, and Lithium-Ion Battery Research

About this item

• Excellent Electrolyte Retention: features ultra-high porosity of 93.5% with a grammage of 121 g/m², providing superior electrolyte adsorption and retention capabilities to improve liquid retention and cycling performance in battery systems
• Superior Thermal Stability: glass fiber material offers excellent thermal stability with recommended drying conditions at 85-105°C for 4 hours, ensuring reliable performance across a wide temperature range and enhanced safety for various battery chemistries
• Optimized Thickness & Strength: features a thickness of 500 μm (at 100 kPa) with tensile strength of 0.40-0.41 kN/m, providing robust mechanical integrity during cell assembly and long-term cycling while minimizing internal short circuit risks
• Multi-Chemistry Battery Compatibility: validated in sodium-ion (discharge capacity 133.2 mAh/g, first efficiency 94.4%), lithium-ion (100% capacity retention after 50 cycles), and potassium-ion (136 h cycling) battery systems, delivering consistent performance for diverse research applications
• Flexible Coin Cell Formats: available in standard 100 x 100 mm sheets and pre-cut Φ16 / Φ17 / Φ18 mm discs (custom sizes available upon request), compatible with various coin cell configurations including CR2016 and CR2032 for convenient battery assembly