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Home
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Membranes
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Fuel Cell Membranes

F-14100 - Fuel Cell Membrane

FUMATECH BWT GmbH

  • High conductivity in H₂O at 25 °C
  • High selectivity for 0.1/0.5 mol/kg KCl at 25 °C
  • Low uptake in H₂O and low dimensional swelling
  • High Youngs modulus and tensile strength
  • Ready for use without pretreatment

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Description Vendor

The  F-14100 is a perfluorinated cation-exchange membrane specifically designed for use in hydrogen fuel cells (H2-PEMFC). It is a colorless, transparent foil with a thickness of 92–102 micrometers, offering low electrical resistance, high mechanical stability, and minimal dimensional swelling. The membrane is delivered on a backing foil (colorless rigid PET foil) and requires careful handling to avoid damage, such as punctures, creases, or scratches. It is ready for use without any pretreatment and is suitable for dry assembly. The membrane exhibits high stability in acidic environments, with an ion exchange capacity of 0.56–0.84 meq/g and a conductivity of over 50 mS/cm at 25°C. It is also highly durable, with a Youngs modulus of over 350 MPa and an elongation at break of over 250%.

Use Cases

  • Fuel Cell application (H2-PEMFC)

Capabilities

  • Ready for use without pretreatment
  • High mechanical stability
  • Low dimensional swelling
  • High stability in acidic environment
  • Low resistance
  • High conductivity in H₂O at T = 25 °C in H-form
  • High selectivity 0.1 / 0.5 mol/kg KCl at T = 25 °C
  • High Youngs modulus at 23 °C / 50 % r.h.
  • High tensile strength at 23 °C / 50 % r.h.
  • High elongation at break at 23 °C / 50 % r.h.
FUMATECH BWT GmbH FUMATECH BWT GmbH, a subsidiary of the BWT Group headquartered in Bietigheim-Bissingen, Baden-Württemberg, Germany, specializes in innovative ion-exchange membrane technology serving two key electrochemical application fields: water treatment and energy-related applications including PEM fuel cells, water electrolysis, and redox-flow batteries. Drawing on over 25 years of experience in membrane manufacturing and membrane process technology—from synthesis of raw and auxiliary materials through membrane processing to technical application—FUMATECH has earned particularly high international reputation as a supplier of innovative membranes, the heart of the PEM fuel cell. The company's polymer electrolyte membranes for electrolysis and fuel cell applications, based on PFSA polymer and typically produced in reinforced versions, along with its FAA3 quaternary ammonium-based anion exchange membranes, support water electrolysis and photo-electrolysis research including studies on water-splitting hydrogen and oxygen evolution reactions. FUMATECH's parent company BWT provides complementary water treatment systems specifically designed for hydrogen production, delivering the pure water required for electrolysis processes with the highest hygiene safety and quality standards, positioning the combined FUMATECH-BWT offering as a comprehensive membrane and water treatment solution provider across the growing green hydrogen production and fuel cell technology market.
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