Anion Exchange Membranes

X37-60

$231

ligand: TMIM
Typical IEC: 1.2
pH: 2-14
Resistivity in 1M KOH: 0.1Ω-cm2
Resistivity in 0.01M KHCO3: 0.3Ω-cm2
  • Standard for CO2 electrolysis
  • Standard for AEM waer electrolysis
  • Reduced plasticizer
Buy Now!

X37T

$340

ligand: TMIM
Typical IEC: 1.2
pH: 2-13
Resistivity in 1M KOH: 0.2Ω-cm2
Resistivity in 0.01M KHCO3: 0.3Ω-cm2
  • Teflon reinforced for durability
  • Recommended for electrolyzers
Buy Now!

X37FA

$231

ligand: TMIM
Typical IEC: 1
pH: 2-14
Resistivity in 1M KOH: 0.15Ω-cm2
Resistivity in 0.01M KHCO3: 1.0Ω-cm2


  • Reduced Swelling
  • Recommended for electrolyzers

Buy Now!

X37TZ

N/A

ligand: TMIM
Typical IEC: 1.2
pH: 2-13
Resistivity in 1M KOH: 0.2Ω-cm2
Resistivity in 0.01M KHCO3: 0.3Ω-cm2
  • Teflon reinforced for durability
  • Zirconium oxide nanoparticles for greater compression strength
  • Recommended for electrolyzers
Can't decide? Try our Sustainion® Six Sample Kit to find your best fit!
Buy Now
Sustainion® In Smaller/Bigger Sizes than A4 size is also available.
Buy Now

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

Membrane ASR in 1 M KOH, 60 °C pH Range
Sustainion® 37-50 0.045 Ω-cm2 2-14
Nafion 115 0.52 Ω-cm2 0-13
Fumasep FAPQ-375 0.83 Ω-cm2 0-11
AMI-7001 2.0 Ω-cm2 0-10
PBI 8.3 Ω-cm2 2-10
Neosepta ACN >50 Ω-cm2 0-8
Order Now

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.