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NEPEM Proton exchange membrane for hydrogen fuel cell

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.

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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 (ฮผm) 12
Weight (g/mยฒ) 23.6
Physical Properties
Property Value Test Condition
Tensile Strength (MPa) โ‰ฅ42 (MD), โ‰ฅ42 (TD) 23โ„ƒ,50%RH
Tensile Modulus (MPa) โ‰ฅ400 (MD), โ‰ฅ400 (TD) 23โ„ƒ,50%RH
Elongation at break (%) โ‰ฅ150 (MD), โ‰ฅ150 (TD) 23โ„ƒ,50%RH
Specific Gravity 1.97 –
Conductivity (S/cm) โ‰ฅ0.100 80โ„ƒ,90%RH
Hydrogen Crossover [cmยณยทcm/(cmยฒยทsยท0.1MPa)] <5.00ร—10โปโธ 23โ„ƒ,50%RH
Hydrogen Crossover Current (mA/cmยฒ) <2.0 MEA on Hโ‚‚,80โ„ƒ,fully humidified
Hydrolytic Properties
Property Value
Water Content (%) 10.0ยฑ3.0
Water Uptake (%) 50.0ยฑ5.0
Thickness Swelling Rate (%) โ‰ค10 (23โ„ƒ), โ‰ค30 (100โ„ƒ)
Linear expansion (%) โ‰ค3 (MD), โ‰ค4 (TD) at 23โ„ƒ
โ‰ค5 (MD), โ‰ค5 (TD) at 100โ„ƒ

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