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Proton Exchange Membrane Vanadium Redox Battery

Proton Exchange Membrane Vanadium Redox Battery

Proton Exchange Membrane Vanadium redox battery Proton Exchange Membrane Specification : Proton Exchange Membrane Working Performance High Standard PEM for Vanadium redox battery 1) the most important thing, of course, is to withstand the corrosion of vanadium electrolytes, as the saying goes....

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Product Details

Product 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

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


High Standard PEM for Vanadium redox battery

1) the most important thing, of course, is to withstand the corrosion of vanadium electrolytes, as the saying goes. Typically, these membranes donundefinedt last a few days in a vanadium battery and die. Because of this, most people unanimously choose to use perfluorinated sulfonic acid membrane, because it is widely used in the chlor-alkali industry, stability is very good, is almost the ultimate choice of mankind.

2) Ion-exchange capacity must be good enough so that the battery will be more efficient. But this exchange capacity is not expressed by an ion exchange capacity (just a basic requirement).

3) consistency is good. Donundefinedt make a big difference between this film and that one, so the vanadium battery performance will be greatly compromised.

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