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NEPEM N-212 Proton Exchange Membrane for Vanadium Flow Battery
The introduction of special materials into the tape casting process enhances three key properties of proton exchange membranes: their strength, moisture retention capacity, and resistance to vanadium ions. This modification effectively addresses performance limitations often associated with conventional membrane fabrication.
Description
Improved strength, moisture retention and vanadium resistance through special materials in tape casting process.
| Thickness and Basis Weight | |
|---|---|
| Thickness (ฮผm) | 50 |
| Weight (g/mยฒ) | 99 |
| Physical Properties (23ยฐC,50%RH) | |
|---|---|
| Tensile Strength (MPa) | โฅ30 |
| Elastic Modulus (MPa) | โฅ400 |
| Elongation at Break (%) | โฅ120 |
| Specific Gravity | 1.97 |
| Performance | |
|---|---|
| Conductivity (S/cm, 23ยฐC,100%RH) | โฅ0.100 |
| Normal Conductivity (S/cm, 25ยฐC in 3M HโSOโ) | โฅ0.04 |
| Acid Capacity (meq/g) | 1.00ยฑ0.05 |
| Hydrolytic Properties | |
|---|---|
| Water Content (%) | 5.0ยฑ3.0 |
| Water Uptake (%) | 50.0ยฑ5.0 |
| Thickness Swelling (23ยฐC water, %) | โค5 |
| Thickness Swelling (100ยฐC water, %) | โค15 |
| Linear Expansion (23ยฐC water, %) | โค5 |
| Linear Expansion (100ยฐC water, %) | โค18 |
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