N-212 Perfluorosulfonic Acid Proton Exchange Membrane for Vanadium Flow BatteryProduct Type: Vanadium Flow Battery Proton Exchange Membrane
commercial grade product
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LABORATORY PROCUREMENT SUPPORT
For model selection, application fit or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The membrane must be stored in a clean, dry environment to prevent contamination and maintain dimensional stability. Exposure to excessive humidity or direct solvents may alter water uptake and acid capacity specifications.
- Water Uptake Sensitivity: Controlled water uptake of 50.0 ± 5.0% is critical for consistent proton conductivity and mechanical integrity.
- Mechanical Handling Limit: Tensile strength ≥30 MPa and elastic modulus ≥400 MPa define the safe mechanical loading envelope during stack assembly.
This procedure covers the safe handling, inspection, and pre-conditioning of the N-212 membrane prior to stack integration. Proper technique prevents mechanical damage and ensures consistent electrochemical performance.
Required Equipment: Cleanroom gloves, Deionized water bath
- Inspect the membrane
Inspect the membrane visually for any creases, tears, or contamination before handling. - Cut to required dimensions
Cut the membrane to the required dimensions using a clean, sharp blade on a non-abrasive cutting mat. - Pre-condition in deionized water
Immerse the cut membrane in deionized water at room temperature for at least 30 minutes to achieve equilibrium water uptake. - Blot excess water
Blot the membrane surface gently with lint-free wipes to remove excess surface water before stack assembly.
How does the 50 μm thickness of the N-212 membrane affect the balance between mechanical stability and ionic conductivity for vanadium flow battery stack assembly?
The 50 μm thickness provides a balance between mechanical strength (tensile ≥30 MPa, elastic modulus ≥400 MPa) and ionic conductivity (in-plane ≥0.100 S/cm, normal ≥0.04 S/cm). This entry-level membrane is designed for general flow battery use, where thinner membranes reduce resistance but must maintain sufficient structural integrity for stack assembly.
What vanadium resistance enhancements are incorporated into the N-212 membrane, and how does its acid capacity support consistent performance?
Specialty materials introduced during tape casting enhance strength, durability, and vanadium resistance, though specific additive details are not disclosed. The membrane maintains an acid capacity of 1.00±0.05 meq/g, ensuring consistent ion exchange performance critical for vanadium flow battery operation.
Can the N-212 membrane be supplied in custom dimensions, and what are the packaging and storage requirements to maintain its specified water content?
Yes, custom dimensions are available upon email request; standard sheet size is 1 m × 1 m (1 m²). The membrane is shipped in standard packaging that protects it during transit. To maintain the specified water content of 5.0±3.0% and water uptake of 50.0±5.0%, it should be stored in a sealed, dry environment; contact technical sales for detailed storage recommendations.
The N-212 50 μm perfluorosulfonic acid membrane offers enhanced mechanical strength (≥30 MPa tensile, ≥400 MPa modulus) and controlled ionic conductivity (≥0.100 S/cm) for vanadium flow battery stacks, but its water uptake tolerance of ±5% and standard 1 m² footprint require careful hydration management and custom sizing lead time.
Positive
- High mechanical strength: Tensile strength ≥30 MPa and elastic modulus ≥400 MPa ensure robust stack assembly and durability under compression.
- Controlled ionic conductivity: In-plane conductivity ≥0.100 S/cm and normal conductivity ≥0.04 S/cm enable efficient proton transport with consistent acid capacity of 1.00±0.05 meq/g.
Trade-offs
- Water uptake tolerance: Water uptake specification of 50.0±5.0% and water content of 5.0±3.0% indicate potential variability; membranes may require preconditioning to achieve consistent hydration and performance.
- Custom sizing lead time: Standard product is supplied as 1 m × 1 m (1 m²); non-standard dimensions require separate confirmation and quotation, adding procurement time.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
