Description
XION™ Composite Pention™ Membranes are ultra-thin, ultra-strong, and provide ultra-high performance while demonstrating highly stable performance as reinforced anion exchange membranes (AEM). The ionomer structure contains a poly(norbornene) backbone with quaternary ammonium functional groups. A reinforcement layer is integrated into the structure of the membrane to provide enhanced mechanical properties and to reduce swelling. Applications include fuel cells, electrolyzers and flow batteries. Xion™ composite Pention™ membranes have the highest recorded AEM fuel cell performance with a peak power density of 3.4 W/cm2 [1].
Crosslinking (%) | Thickness (um) | IEC (meq/g) | OH– ion conductivity
(mS/cm) at 80C |
Water Uptake (%) | Tensile strength
(Mpa) at 50%RH/50C |
5 | 10 | 3.5 | 175 | 96 | 40 |
15 | 10 | 3.5 | 131 | 66 | 50 |
[1] Huang, Garrett, Mandal, Mrinmay, Peng, Xiong, Yang-Neyerlin, Ami C., Pivovar, Bryan S., Mustain, William E., and Kohl, Paul A. Composite Poly(norbornene) Anion Conducting Membranes for Achieving Durability, Water Management and High Power (3.4 W/cm 2 ) in Hydrogen/Oxygen Alkaline Fuel Cells. doi:10.1149/2.1301910jes.
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