The XION BPM-AQUIVION(870 EW/G2 Series) composite bipolar membrane consists of Durion G2 based anion exchange layer (AEL) and Aquivion 870 based cation exchange layer (CEL).  Xergy provides composite bipolar membranes with thicknesses of 30 or 75 µm.  Durion G2 anion exchange resin is based on polyphenylene backbone with a hybridized imidazole side chain which functions as the functional group for anion transfer within the AEL.  Aquivion 870 resin is based on the perfluorosulfonic acid composition with short side chain, and it has sulfonic acid as its functional groups for cation transfer within the CEL.

Xion BPM-Aquivion(870 EW/G2 Series) composite bipolar membrane is easy to use and expected to deliver the following specs:

  • High water splitting efficiency (> 98% at 100 mA cm-2 in 0.5 M NaCl at 25°C)
  • Low water splitting voltage (< 1.2 V at 100 mA cm-2 in 0.5 M NaCl at 25°C)
  • Excellent mechanical properties at low thickness (30 or 75 μm)

Additional information



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