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Perfluorosulfonic Acid Proton Exchange Membrane

Perfluorosulfonic Acid Proton Exchange Membrane

Perfluorosulfonic acid proton exchange membrane is the most widely used proton exchange membrane in the research and development of proton exchange membrane fuel cells at present. It has excellent conductivity and a series of other advantages. Although the price is high, but its comprehensive performance is not comparable to other membrane materials. In addition to DuPontundefineds Nafion film, other companies have developed similar products, such as the Dow membrane of Dow Chemical, the Aciplex film of Asahi Chemical Company in Japan and the Flemion film of Asahi Glass Company.

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Product Details

       Perfluorosulfonic acid proton exchange membrane is a solid polymer electrolyte with good chemical stability and thermal stability, low voltage, high conductivity and high mechanical strength. Under harsh conditions, such as strong oxidant medium and high temperature, because of the above characteristics, the perfluorosulfonic acid proton exchange membrane is not only used as the key component of proton exchange membrane fuel cell, but also widely used in the chlor-alkali industry. Water electrolysis hydrogen production, electrochemical synthesis and gas sensors and other fields.



Proton Exchange Membrane Specification:


Type

Thickness(um)

Weight (g/m2)

PEM-211

28

56

PEM-212

51

102

PEM-1135

90

180

PEM-115

128

256

PEM-117

180

360

PEM-1110

256

512

 



Proton Exchange Membrane Working Performance


Characteristic

Value

Test Standard

Tensile Strength

40MPa(23℃,50%RH,Isotropy)

ASTMD882

Tensile Modulus

630MPa(23℃,50%RH,Isotropy)

ASTMD882

Linear Expansivity

10%Around(23℃,from50% RH to water soaked)

ASTM756

Moisture Content

50±5%(100C, 1H)

ASTMD570

Conductivity

0.1S/cm

25℃,zawodzinski

Acid Capacity

1.0meq/g

Titrimetry


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