The Xergy DURION™ AEM-215-05 membrane is a composite AEM that uses the Orion Polymer’s TM1 resin and has an ion exchange capacity of 2.0 - 2.3 mequiv/g. DURION™ membranes offer excellent mechanical strength and stability to a wide variety of chemistries. NREL found Xergy's DURION™ and Orion’s next gen AEMs to be the top two most durable anion exchange membrane (AEM), demonstrating excellent durability and lifetime based on NREL's blind study, conducted in October 2019. AEMs based on Orion's TM1 resin can be operated at temperatures of up to 80°C in 1M KOH for more than 1000 hours. The degradation was <0.5% in conductivity loss and IEC loss after 1000 hours of operation at high temperature. Xergy currently produces anion exchange membrane sheets in 5, 10, 20, and 30µm thicknesses and 2"x2", 4"x4" and 6"x6" sizes.
The DURION™ AEM-215-05 is a 5 micrometers thick anion exchange membrane and it can be used in fuel cells, electrolyzers, electrodialysis, redox flow batteries, electrochemical compressors, and a wide variety of other devices.
Durion membranes are shipped in the bromide form. In order to convert them into hydroxyl form (OH-), soak the membrane in 1M KOH or 1M NaOH solution for at least two hours. Then, wash the membrane surface with deionized water in order to remove the excess KOH (or NaOH) from the membrane surface. Finally, membranes can be gently tap-dried with KIM wipes for its easy assembly in the cell. Exposure to ambient air (which has around 500 ppm CO2 gas) for long durations needs to be avoided. After converting the membrane into hydroxyl form (OH-), exposing it to ambient air or CO2-containing atmospheres would quickly convert hydroxyl from into carbonate form because of the chemical reaction between OH- ions and CO2 molecules. Since carbonate ions are much bulkier than OH- ions, the conductivity of the carbonate form for the membranes would be much lower compared to OH- form.
Lead time for this product is usually around 1 - 2 weeks to ship.
|Tensile Strength - max. (MPa)||50 - 110 (measured at 50%RH, 23°C)|
|Water Permeability||as high as 10 (10⁻¹⁰ g s⁻¹ m⁻¹ Pa⁻¹) (ASTM E96)|
|Modulus (MPa)||as high as 800 (measured at 50%RH, 23°C)|
|In-Plane Conductivity (mS/cm)||> 60 (measured at 100%RH, 70°C)|
|Water uptake (wt%)||< 80 (measured after 24h soak in 80°C water)|