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Thinkre™ PEM for Fuel Cell

NEPEM Proton exchange membrane for hydrogen fuel cell

Category:

Thinkre™ Perfluorosulfonic PEM


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Description

 

With ePTFE (expanded polytetrafluoroethylene) microporous reinforcing material added to the traditional proton exchange membrane, the characteristics of high strength, high conductivity and low ion permeability are achieved. 

 

   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

Index Parameters

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 2004232022

Hydrogen Crossover current (mA/cm2)

<2.0

<2.0

/

Thinkre™ Method

 

   Hydrolytic Propertie

Hydrolytic Properties

Index Parameters

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 200423-2022

(23°C, 50% RH)Thickness Change,% increase

23℃ soaked from 50% RH

≤10

W≤15

≤10

GB/T  2004232022

100 ℃ soked from 50% RH

≤30

≤40

≤30

GB/T  20042.3 2022

Linear expansion, % increase(23℃, 50% RH)

 

MD

TD

MD

TD

I

 

23℃ soaked from 50% RH

≤3

≤4

≤4

≤5

≤4

GB/T 2004.3-2022

100℃ soaked from 50% RH

≤5

≤5

≤7

≤7

≤20

GB/T 20042.3-2022