Anion Exchange Membranes For Electrolyzers

Classic Sustainion® 37-50 Anion Exchange Membranes

Sustainion® 37-50 Alkaline Exchange Membranes With Reduced Plasticizer

PTFE Supported Sustainion® 37-50 Alkaline Exchange Membranes

Supported & Reinforced Sustainion® 37-50 Alkaline Exchange Membranes

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The standard membranes contain a water soluble plasticizer to prevent breakage during shipment and handling

23 cm x 28 cm  
        $221

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Class 60 membranes have reduced plasticizer for those who prefer plasticizer free membranes

23 cm x 28 cm  
        $221

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Class T membranes have a PTFE reinforced support for easier handling and better mechanical strength

20 cm x 28 cm
was $330 now  $279

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Class TZ membranes combine a PTFE support & zirconium oxide nanoparticles for greater compression strength

23 cm x 28 cm  
was $340 now$299

Coming Soon

Anion Exchange Membranes For Fuel Cells

Performance of Sustainion® Anion Exchange Membranes

Under alkaline conditions, Sustainion® anion axchange membranes have highest conductivity and lowest ASR of any commercial alkaline exchange membrane

MembraneASR in 1 M KOH, 60 °C pH Range
Sustanion® 37-500.045 Ω-cm2 2-14
Nafion 1150.52 Ω-cm2 0-13
Fumasep FAPQ-3750.83 Ω-cm2 0-11
AMI-70012.0 Ω-cm2 0-10
PBI8.3 Ω-cm2 2-10
Neosepta ACN >50 Ω-cm2 0-8
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Conductivity of Sustainion X37 as a function of temperature in various supporting electrolytes

Sustainion® 37 membranes outperform the competition

The effects of membrane on the linear sweep voltammogram taken with an alkaline water electrolyzer with a FeNiO4 anode catalyst and a FeNiCo cathode catalyst in 1 M KOH at 60 °C
 

The effect of membrane on an alkaline water electrolyzer with a FeNiO4 anode catalyst and A FeNiCo cathode catalyst in 1 M KOH at 60 °C at a constant current of 1 A/cm2. The fumasep membrane failed after 200 hours.


CO2 Electrolysis

A constant current run (200 mA/cm2) of a room temperature CO2 electrolyzer with a Sustainion® 37-50 membrane and Sustainion® A9 ionomer in the cathode catalyst layer.

H2O Electrolysis

A constant current run (1000 mA/cm2 ) of a 60 °C alkaline water electrolyzer with a Sustainion® 37-50 membrane and a NiFeO4 anode catalyst and a NiFeCo cathode catalyst.