Caps & Septa
Grade RT Anion Exchange Membrane for Alkaline Water Electrolysis and Carbon Dioxide Reduction
Item Number : PL-GM01
Price varies based on specs and customizations
- Thickness
- 50 μm
- Maximum Operating Temperature
- 60°C
- Anion Conductivity (1M KOH at 60°C)
- ~115 mS/cm
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Product Overview
This premium anion exchange membrane represents a highly advanced solution engineered specifically for cutting-edge electrochemical research and small-scale laboratory developments. Developed to balance mechanical robustness and ionic transport properties, this system offers researchers an exceptional platform for exploring alkaline water electrolysis and carbon dioxide (CO2) reduction. The polymeric structure is carefully optimized to facilitate the rapid migration of anions while maintaining high dimensional stability and barrier properties to prevent fuel or reactant crossover under operational conditions.
Designed primarily for preliminary feasibility studies and bench-scale laboratory configurations, the equipment bridges the gap between delicate high-performance membranes and robust, structurally rigid materials. By offering superior mechanical strength compared to traditional low-thickness alternatives, this unit allows for easier handling, simplified cell assembly, and reduced risk of mechanical failure during experimental setup. It serves as a foundational component for academic laboratories, industrial R&D facilities, and green technology developers seeking reliable and repeatable electrochemical data.
Built to withstand demanding electrochemical environments, this membrane provides consistent performance at both room temperature and elevated operational levels up to 60°C. The exceptional structural integrity ensures that the membrane retains its form and selectivity even when subjected to highly basic electrolytes and long-duration testing cycles. Researchers can proceed with their studies with the utmost confidence, knowing that this critical component will deliver stable ionic conductivity and reliable gas separation throughout the lifetime of their electrochemical cells.
Key Features
- Superior Mechanical Strength: The 50 μm thickness profile is engineered to provide significantly higher tensile strength and tear resistance than standard 60-series membranes, minimizing the risk of damage during cell assembly and long-duration testing.
- Optimized for Anion Transport: Provides high ionic conductivity across a variety of electrolyte environments, facilitating rapid hydroxide, chloride, and carbonate/bicarbonate ion migration to maximize cell efficiency.
- Dual-Layer Protective Liner: Features an inert plastic backing liner on one side of the membrane to prevent contamination and damage during shipping and handling, which easily detaches during the initial activation process.
- Hydroxide-Induced Pore Expansion: Engineered to undergo a specialized alkaline activation process that enlarges the internal pore structure, significantly enhancing subsequent carbonate and bicarbonate ion exchange dynamics.
- Broad Temperature Compatibility: Exhibits stable electrochemical and mechanical properties across a wide temperature spectrum, maintaining peak performance from ambient room temperature up to 60°C.
- High Fuel Separation Efficiency: Demonstrates exceptional gas barrier properties, effectively preventing cross-over of carbon dioxide, hydrogen, and oxygen to maintain high faradaic efficiency and system safety.
- Versatile Chemical Resilience: Highly stable in concentrated alkaline solutions and carbonated electrolytes, ensuring the polymer backbone remains intact and functional during extended operational runs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Alkaline Water Electrolysis | Splitting of water into hydrogen and oxygen in basic media for zero-emission energy generation. | High hydroxide conductivity reduces cell voltage requirements and increases hydrogen production efficiency. |
| Electrochemical CO2 Reduction | Conversion of carbon dioxide into valuable chemical feedstocks, hydrocarbons, or synthetic fuels. | Selectively transports carbonate and bicarbonate ions, ensuring optimal carbon conversion efficiency. |
| Electrochemical Cell Research | Benchtop testing and validation of novel electrocatalysts, gas diffusion electrodes, and flow cell designs. | Higher mechanical strength prevents accidental tearing during frequent cell disassembly and reassembly. |
| Chloride-Based Electrosynthesis | Investigations into chloride ion transport and preliminary chlor-alkali validation tests. | Stable chloride ion conductivity ensures consistent performance and accurate scientific data collection. |
| Industrial R&D Feasibility Studies | Low-volume, preliminary testing of commercial-scale electrochemical processes. | Cost-effective and highly reliable material properties allow for accurate scaling projections and risk reduction. |
Technical Specifications
General Physical & Operational Parameters
| Parameter | Specifications (Item Number: PL-GM01) |
|---|---|
| Nominal Thickness | 50 μm |
| Maximum Operating Temperature | 60°C |
| Primary Applications | Alkaline water electrolysis, Carbon dioxide (CO2) reduction |
| Shipped State | Dry, with single-side inert plastic backing liner |
| Mechanical Performance | Higher mechanical strength than standard Grade 60 membranes |
Anion Conductivity Performance (mS/cm)
| Temperature (°C) | In 1M KOH | In 1M KCl | In 1M KHCO3 |
|---|---|---|---|
| 20°C | ~80 mS/cm | ~30 mS/cm | ~25 mS/cm |
| 40°C | ~90 mS/cm | ~40 mS/cm | ~30 mS/cm |
| 60°C | ~115 mS/cm | ~50 mS/cm | ~40 mS/cm |
| 80°C (Peak Test) | ~140 mS/cm | ~70 mS/cm | ~55 mS/cm |
Activation & Pre-Treatment Protocols
| Target Application | Pre-Treatment Process Step-by-Step |
|---|---|
| Alkaline Water Electrolysis | 1. Immerse the membrane with its backing liner in a 1M KOH solution bath at room temperature. 2. Soak for 12 to 72 hours. 3. Replace the electrolyte with fresh 1M KOH solution multiple times during the soaking period to ensure thorough activation. 4. The inert plastic backing liner will naturally peel off during immersion; discard the liner and assemble the active membrane into the cell. |
| Carbon Dioxide (CO2) Reduction | 1. Hydroxide Treatment: Fully submerge the membrane in a 0.1M to 0.5M KOH or NaOH solution for 6 to 12 hours. This step expands the membrane pores and significantly improves subsequent ion exchange kinetics. 2. Carbonate/Bicarbonate Conversion: Transfer the membrane into a 0.1M to 0.5M aqueous carbonate or bicarbonate solution (e.g., potassium bicarbonate dissolved in deionized or distilled water) for 48 to 72 hours. 3. Rinsing: Thoroughly rinse the membrane with deionized or distilled water to remove excess surface electrolytes. 4. Cell Assembly: Mount the fully converted membrane into the electrochemical CO2 reduction apparatus. (Note: The hydroxide step can be omitted, but doing so will require a significantly longer total immersion time to complete the carbonate conversion). |
Why Choose This Product
- Premium Engineering & Build Quality: Manufactured with high-precision processes to ensure uniform thickness and consistent material properties across the entire membrane surface, eliminating local current density variations.
- Optimized Mechanical-Performance Ratio: Specially formulated to offer superior mechanical durability over standard thin membranes, providing peace of mind during complex laboratory cell assembly while delivering highly competitive ionic transport metrics.
- Enhanced Activation Dynamics: The unique pore-expansion capability during initial alkaline treatment guarantees that the membrane achieves optimal carbonate/bicarbonate conductivity, yielding highly efficient carbon dioxide reduction rates.
- Full Customization Compatibility: As a specialist in high-performance fluoropolymers and advanced laboratory equipment, KINTEK can supply these membranes precision-cut to match custom electrochemical cell configurations or provide them as part of complete, bespoke laboratory setups.
- Comprehensive B2B Support: Backed by a team of experienced materials scientists and engineers, KINTEK provides thorough technical documentation, troubleshooting assistance, and responsive support to streamline your laboratory workflows.
For custom sizes, volume pricing, or to integrate this membrane into a bespoke electrochemical cell configuration, please contact our technical sales team today to request a detailed quotation.
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