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Home
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Membranes
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Electrolyser Membranes

F-10150-PTFE - Electrolyser Membrane

FUMATECH BWT GmbH

  • Application in electrochemical processes like water electrolysis and redox-flow batteries
  • High selectivity and chemical and oxidative stability

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Description Vendor

The F-10150-PTFE is a fluorinated cation-exchange membrane reinforced with PTFE, featuring a thickness of 150 μm. It offers exceptional mechanical stability, high selectivity, and remarkable chemical and oxidative stability. This membrane is specifically designed for electrochemical processes that require cation exchange membranes with high oxidative stability, such as water electrolysis and redox-flow batteries. The membrane is supplied in a dry, non-activated form on a colorless rigid PET backing foil and requires careful handling to avoid damage. It can be activated in-situ within the cell without prior acid pretreatment, or optionally pretreated in an aqueous 10 wt% H₂SO₄ solution at 70–90 °C for at least 6 hours to achieve optimal performance. The membranes high selectivity (>95%) and low area resistance (<1 Ω cm²) make it an ideal choice for applications demanding precision and efficiency.

Use Cases

  • Water Electrolysis
  • Redox-Flow Batteries

Capabilities

  • Reinforced PTFE membrane with high mechanical, chemical, and oxidative stability
  • Selectivity >95% and area resistance <1 Ω·cm² at 25 °C in 0.5 M H₂SO₄
  • Delivered dry and non-activated; suitable for in-situ activation
  • Optional pretreatment in 10 wt% H₂SO₄ at 70–90 °C for ≥6 hours
  • Membrane expands/contracts with moisture content
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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