Product Introduction Of Proton Exchange Membrane Pem:
The Proton Exchange Membrane PEM we produce is specially designed for vanadium flow batteries and has excellent proton conductivity and excellent vanadium resistance. The Proton Exchange Membrane PEM we produce also uses advanced material technology and unique manufacturing processes to improve the stability and efficiency of the battery during long-term operation.
Product Advantages Of Vanadium Redox Flow Battery Proton Exchange Membrane:
Our Proton Exchange Membrane PEM has excellent mechanical strength and durability, and can withstand long-term cyclic use and maintain stable performance. This means that during long-term operation, our Proton Exchange Membrane PEM is not easily damaged or deformed, thereby reducing maintenance costs and potential failure risks.
Thickness And Basis Weight Properties:
| Membrane Type | Thickness(microns)(um) | Weight(g/m²) |
| PXVA-100-T01 | 100 | 197 |
Physical And Other Properties:
| Physicaland Other Properties | Typical Value | Test Method |
| Tensile Test(23℃,50%RH) | ||
| Tensile Strength(MPa) | ≥30 | GB/T 20042.3-2022 |
| Tensile Modulus(MPa) | ≥400 | GB/T 20042.3-2022 |
| Elongation at break(%) | ≥120 | GB/T 20042.3-2022 |
| Specific Gravity | 1.97 | |
| Other Properties | Index Parameters | Test Method |
| Conductivity(S/cm) | ≥0.100 | GB/T 20042.3-2022 |
| Acid Capacity(meq/g) | 1.00±0.05 | GB/T 20042.3-2022 |
Hydrolytic Propertie:
| Hydrolytic Properties | Index Parameters | Test Method |
| Water Content(%) | 5.0±3.0 | GB/T 20042.3-2022 |
| Water Uptake(%) | 50.0±5.0 | GB/T 20042.3-2022 |
| Thickness Swelling Rate at 23℃,50% RH (% increase) | ||
| water soaked at 23℃ 50% RH | ≤5 | GB/T 20042.3-2022 |
| water soaked at 100℃ 50% RH | ≤15 | GB/T 20042.3-2022 |
| Linear Expansion at 23℃,50% RH (% increase) | ||
| water soaked at 23℃ 50% RH | ≤5 | GB/T 20042.3-2022 |
| water soaked at 100℃ 50% RH | ≤18 | GB/T 20042.3-2022 |
Precautions When Using Vanadium Redox Flow Battery Proton Exchange Membrane:
Monitor the temperature of the Proton Exchange Membrane PEM system and operate it within the recommended temperature range.
Check the battery voltage regularly to identify any abnormalities.
Maintain the proper concentration and pH of the electrolyte and avoid using it under extreme conditions.
Notes Of Vanadium Redox Flow Battery Proton Exchange Membrane:
Measurements taken with membrane conditioned to 23° ℃, 50% RH for 24h.
Conductivity measurements at 23 ℃,100% RH.
A base titration procedure measures the equivalents of sulfonic acid group in the resin, and uses the measurement to calculate the acid capacity or equivalent weight of the membrane.
Water uptake from dry membrane to conditioned in water at 100℃ for lh(dry weight basis).
