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Thinkre™ PEM for Fuel Cell

Thinkre™ Proton Exchange Membrane for hydrogen fuel cell

Category:

Thinkre™ Perfluorosulfonic PEM


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Description

 

With ePTFE (expanded polytetrafluoroethylene) microporous reinforced material added in the traditional proton exchange membrane, the characteristics of high strength, high conductivity and low ion permeability are achieved. Thinkre™'s PEMFC membrane has been proven both in the labrotory and market to be comparable to Gore's like products. 

 

   Thickness and Basis Weight Properties

Membrane Type

Thickness(microns)(μm)

Weight(g/㎡)

N-3010

12

23.6

N-3015

15

29.5

N-211

25

50.0

N-212

51

102

 

   Physical and Other Properties

Physical and Other Properties

Typical Product

Test Method

 

N-3010

N-3015

N-211/212

 

Tensile Test (23°C,50%RH)

MD

TD

MD

TD

/

 

Tensile Strength(MPa)

≥32

≥32

≥30

 

≥28/28

GB/T 20042.3-2022

Tensile Modulu(MPa)

≥400

≥400

≥350

≥350

≥400/400

GB/T 20042.3-2022

Elongation at break(%)

≥150

≥150

≥18O

≥180

>100/120

GB/T 20042.3-2022

Specific Gravity

1.97

1.97

1.97

Other Properties

Index Parameters

Test Method

 Conductivity(S/cm)

≥0.100

≥0.110

≥0.100

GB/T 20042.3-2022

Hydrogen Crossover
[cm3·cm/(cm2·s·0.1MPa)]

<5.0×10 -8

<4.50x10 -8

/

GB/T 20042.3-2022

Hydrogen Crossover Current (mA/cm2)

<2.0

<2.0

/

Thinkre™ Method

 

   Hydrolytic Properties

Hydrolytic Properties

Typical Value

Test Method

Water Content(%)

10.0±3.0

10.0±3.0

5.0±3.0

GB/T 20042.3-2022

Water Uptake(%)

50.0±5.0

50.0±5.0

50.0±5.0

GB/T 20042.3-2022

Thickness Swelling Rate at 23°C, 50% RH (% increase)

23℃ soaked from 50% RH

≤10

W≤15

≤10

GB/T  20042.3-2022

100 ℃ soked from 50% RH

≤30

≤40

≤30

GB/T  20042.3-2022

Linear Expansion at 23℃, 50% RH (% increase)

 

MD

TD

MD

TD

/

 

23℃ soaked from 50% RH

≤3

≤4

≤4

≤5

≤4

GB/T 20042.3-2022

100℃ soaked from 50% RH

≤5

≤5

≤7

≤7

≤20

 GB/T 20042.3-2022