FAAM-20 Anion Exchange Membrane

The FAAM-20 is an ultra-thin anion exchange membrane engineered specifically for alkaline water electrolysis, where concentrated KOH exposure at elevated temperature quickly separates durable membranes from marginal ones. At 17-25 µm it combines exceptional mechanical strength in concentrated alkali, with tensile strength above 100 MPa, and dimensional stability that keeps length swelling under 2% even after prolonged exposure to 12 M KOH at operating temperature. It self-activates in the running cell or can be pre-soaked for immediate performance.

• Alkaline-Stability Focused: Retains mechanical integrity in 6-12 M KOH at temperatures up to 100 °C.
• High Tensile Strength: >100 MPa tensile strength supports rugged handling despite the ultra-thin 17-25 µm profile.
• Low Length Swelling: <2% length increase after 1-day exposure to 12 M KOH minimizes cell misalignment.
• Thermally Robust: No oxidation below 250 °C when dry, simplifying storage and handling.
• Flexible Activation: Self-activates in an operating cell or can be pre-soaked in KOH before assembly.
• Multiple Cut Formats: Standard sheets or pre-cut for Redox Flow’s X-Stack, S-Stack, and 3-compartment X-Cell hardware.