NEPEM Proton exchange membrane for hydrogen fuel cell

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By incorporating expanded polytetrafluoroethylene (ePTFE) microporous reinforcing material into conventional proton exchange membranes (PEMs), Thinkre PEM exhibits the characteristics of high mechanical strength, high proton conductivity, and low ion permeability.

SKU: AFMSLBMY290
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Description

NEPEM N-3010 Proton Exchange Membrane for Hydrogen Fuel Cell

With ePTFE(expanded polytetrafluoroethylene)microporous reinforcing material joined in the traditional proton exchange membrane,Thinkre PEM is characterized by high strength,high conductivity and low ion permeability.

Thickness and Basis Weight Properties
Thickness (μm) 12
Weight (g/m²) 23.6
Physical Properties
Property Value Test Condition
Tensile Strength (MPa) ≥42 (MD), ≥42 (TD) 23℃,50%RH
Tensile Modulus (MPa) ≥400 (MD), ≥400 (TD) 23℃,50%RH
Elongation at break (%) ≥150 (MD), ≥150 (TD) 23℃,50%RH
Specific Gravity 1.97
Conductivity (S/cm) ≥0.100 80℃,90%RH
Hydrogen Crossover [cm³·cm/(cm²·s·0.1MPa)] <5.00×10⁻⁸ 23℃,50%RH
Hydrogen Crossover Current (mA/cm²) <2.0 MEA on H₂,80℃,fully humidified
Hydrolytic Properties
Property Value
Water Content (%) 10.0±3.0
Water Uptake (%) 50.0±5.0
Thickness Swelling Rate (%) ≤10 (23℃), ≤30 (100℃)
Linear expansion (%) ≤3 (MD), ≤4 (TD) at 23℃
≤5 (MD), ≤5 (TD) at 100℃

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