Pention-S72-10wt% Solution

Product Code: 73810017

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Pention™ solutions are the unfunctionalized dissolved polymer resin products that are used to manufacture anion conducting self-supporting membranes or mechanically reinforced membranes. The polymer structure contains a poly(norbornene) backbone and is sold in either functionalized and non-functionalized forms. The functionalized polymer is sold as a dispersion for use in electrode layers and is functionalized with a quaternary ammonium group. Functionalized dispersion products can be found here. The functionalized polymer is not soluble in conventional solvent systems, so for membrane casting the unfunctionalized polymer is dissolved in solution and must be functionalized after membrane manufacture. The unfunctionalized polymer is sold in the solution form. "D" in the product name stands for dispersion and "S" in the product name stands for solution. Dispersions are ionically conducting materials and ready to be used in the as is form. Solutions, on the other hand, are currently being supplied in the unfunctionalized form and the products made with the solutions needs to be functionalized in order to make them ionically conductive. Chemical composition of the quaternary ammonium modified poly(norbornene) polymer resin is provided on the right side.

Pention-S72-10wt% is an unfunctionalized solution with 10wt% polymer concentration in an organic solvent. This polymer solution belongs to S72 series. This product has an IEC (meq/g) of 0 in for its unfunctionalized form and depending on the level of functionalization, IEC of 1 to 3.5 can easily be obtained. Unfunctionalized polymer solution products are highly suitable for manufacturing self-supporting membranes or mechanically reinforced membranes with different thickness values.  After the formation of the membrane, it needs to be functionalized in order to conduct ions (anions).  Functionalization procedure can be found in the  jointly conducted study between NREL, University of South Carolina, and Georgia Institute of TechnologyThe stated electrochemical performance data is for reference only and depending on the MEA, CCM or GDE manufacturing method, used membrane thickness, testing hardware design and components used in the test hardware, and operational parameters (temperature, pressure, reactant flow rates, etc.), those values may or may not be attained. 

Membranes with Pention resin have demonstrated the highest recorded AEM fuel cell performance with a peak power density of 3.4 W/cm² (jointly conducted study between NREL, University of South Carolina, and Georgia Institute of Technology).

Key Advantages of Pention Solutions:

• Enables to obtaines anion exchange membranes with very high conductivity
• Great chemical stability
• High performance for fuel cells and electrolyzers

Pention solutions/dispersions are considered hazardous items under DOT and IATA regulation. 125 mL and 250 mL solution/dispersions will incur a hazardous fee to accommodate the regulations based on the final shipping location (which is included in the pricing listed on the Fuel Cell Store product pages).

Please note that Xergy Pention solutions/dispersions contain solvents that may compromise the seals of the bottles if the solvents are left in direct contact with the lids for long periods of time. We recommend always storing the bottles in an upright orientation as soon as the shipment is received to lessen the likelihood of inadvertent leakage.

A typical lead time of 2-3 weeks is to be expected.

Solvay Aquivion Dispersions
Form Liquid
Polymer Concentration 10 wt%
Solvent System Organic (undisclosed)
Total Acid Capacity 0 meq/g in the unfunctionalized form and 1 to 3.5 meq/g in the functionalized form (Internal Method)
HSE/Transport Classification Corrosive/Hazardous

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