new material
Flow Battery Proton Exchange Membrane delivers high ionic conductivity, excellent chemical stability, and superior durability. Designed for redox flow batteries, energy storage applications, and advanced electrochemical systems, it ensures efficient ion transfer, extended cycle life, and optimized electrochemical performance.
Product Overview
The flow battery proton exchange membrane is a high-performance membrane made from perfluorosulfonic acid resin, which exhibits unidirectional cation conductivity. This membrane features small thickness, high strength, low swelling, high dimensional stability, and excellent durability, making it especially suitable for applications in all-vanadium flow batteries and iron-chromium flow batteries.
Product Features
- Excellent Mechanical Properties: High tensile strength (≥28 MPa) and elongation at break (≥120%) ensure stability under harsh conditions.
- High Conductivity: Conductivity ≥0.100 S/cm, enhancing proton exchange efficiency.
- Low Swelling: Thickness swelling rate is low, ≤5% under 23°C and 50% RH conditions, maintaining dimensional stability.
- High Durability and Vanadium Resistance: Acid and alkali-resistant, with anti-permeability features, extending service life.
- Various Thickness Options: Available in different thicknesses to meet specific application requirements.
Applications
- All-Vanadium Flow Battery: Provides efficient proton exchange and durability in vanadium battery systems.
- Iron-Chromium Flow Battery: Meets the stability and long-life requirements of battery systems.
- Other Flow Battery Systems: Widely used in flow battery applications that require high conductivity and durability.
| Model | EM8115A | EM8120A | EMV850 |
| Thickness (μm) | 60±2 | 50±3 | 50±2 |
| Grammage (g/m²) | 130±10 | 120±10 | 100±5 |
| Tensile Strength (Transverse/Longitudinal) (MPa) | ≥30/30 | ≥25/25 | ≥28/28 |
| Elongation at Break (Transverse/Longitudinal) (%) | ≥150/150 | ≥200/200 | ≥150/150 |
| Puncture Strength (gf) | ≥550 | ≥500 | ≥500 |
| Moisture Content (%) | ≤7 | ≤7 | ≤5 |
| Swelling Rate (Transverse/Longitudinal) (%) | ≤6/6 | ≤7/7 | ≤5/5 |
| Vanadium Ion Permeability (10⁻⁷ cm²/min) | ≤10 | ≤10 | ≤10 |
| Coulombic Efficiency (%) | ≥96.5 | ≥96.5 | ≥96.5 |
| Energy Efficiency (%) | ≥81.5 | ≥82.5 | ≥82.5 |
| Voltage Efficiency (%) | ≥83.5 | ≥85.5 | ≥85.5 |
