FCS  |  SKU: 95010001

AnioMer™ TC MS20 Anion Exchange Membrane | 20 micron AEM for Alkaline Electrolysis

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AnioMer™ TC MS20 Anion Exchange Membrane | 20 micron AEM for Alkaline Electrolysis

FCS

AnioMer TC-MS20 is a mechanically reinforced anion exchange membrane designed for alkaline electrochemical applications, including water electrolysis.

It combines SDB’s proprietary polycarbazole-based anion exchange polymer with a porous reinforcing support to deliver high hydroxide ion conductivity, enhanced mechanical strength, and improved dimensional stability during operation.

Key Features

  • Mechanically reinforced composite membrane
  • High hydroxide ion conductivity
  • Good dimensional stability under alkaline conditions
  • Reduced swelling behavior
  • 20 µm nominal thickness for compact cell designs

User Instructions & Pretreatment

Product State: Delivered dry, attached to a release film. Peel and remove the release film before use.

Initial Form: Supplied in the Br⁻ (bromide) counter-ion form.

Activation Protocol:

  1. System Circulation: Circulate KOH solution for at least 1 hour before applying voltage or current.
  2. CCS Testing: Soak the membrane in 1 M KOH for 1 hour prior to use.
Important: Keep the KOH solution strictly isolated from ambient CO₂ during activation to prevent carbonation and loss of ionic conductivity.


IV curve (1M KOH, 60°C)
IV curve (1M KOH, 60°C) 		EIS (40 mA/cm², 1 M KOH, 60°C)
EIS (40 mA/cm², 1 M KOH, 60°C)
Product Image (Roll)
AnioMer Membrane (Roll) 		Cross Section of AnioMer Membrane
Cross Section of AnioMer Membrane

 

Dispersion/Solution/Powder Specifications
X-Ionic Conductivity 65 mS/cm (60 °C, 1 M KOH, HFR @ 0.04 A/cm²)
Membrane Properties
Swelling Ratio MD −1% / TD 3% / z-axis 17% (80 °C DI water, 10 h)
Ionic Form and Type Br⁻ (Bromide) Mechanically reinforced composite AEM (polycarbazole-based)
Thickness 60 ± 10% µm (Dry)
Tensile Strength - max. (MPa) MD 26 MPa / TD 21 MPa (ASTM D882)
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