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NEPEM N-3015 Proton Exchange Membrane

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

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Description

Thickness and Basis Weight Properties
Thickness (ฮผm) 15
Weight (g/mยฒ) 29.5
Physical Properties
Tensile Strength (MPa) MD/TD โ‰ฅ40/โ‰ฅ40
Tensile Modulus (MPa) MD/TD โ‰ฅ350/โ‰ฅ350
Elongation at break (%) MD/TD โ‰ฅ180/โ‰ฅ180
Specific Gravity 1.97
Conductivity (S/cm) โ‰ฅ0.110
Hydrogen Crossover [cmยณยทcm/(cmยฒยทsยท0.1MPa)] <4.50ร—10-8
Hydrogen Crossover Current (mA/cmยฒ) <2.0
Hydrolytic Properties
Water Content (%) 10.0ยฑ3.0
Water Uptake (%) 50.0ยฑ5.0
Thickness Swelling Rate (23โ„ƒ,50%RH) % increase โ‰ค15
Thickness Swelling Rate (100โ„ƒ,50%RH) % increase โ‰ค40
Linear expansion (23โ„ƒ,50%RH) % increase MD/TD โ‰ค4/โ‰ค5
Linear expansion (100โ„ƒ,50%RH) % increase MD/TD โ‰ค7/โ‰ค7

The N-3015 membrane combines ePTFE reinforcement with traditional PEM technology for improved mechanical stability. It demonstrates higher conductivity and lower gas permeability compared to standard membranes.

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