N-1135 Perfluorosulfonic Acid Proton Exchange Membrane for Vanadium Flow BatteryProduct Type: Vanadium Flow Battery Proton Exchange Membrane
commercial grade product
|
|||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||
|
LABORATORY PROCUREMENT SUPPORT
For model selection, application fit or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
How does the 80 μm thickness of N-1135 affect vanadium ion crossover and mechanical durability compared to thinner PEMs for VFB applications?
The N-1135 membrane's 80 μm thickness with a 172 g/m² basis weight provides enhanced mechanical robustness (tensile strength ≥30 MPa, elastic modulus ≥400 MPa) to withstand pressure differentials in demanding flow battery stacks, while the specialty casting additives improve vanadium ion blocking. However, the increased thickness typically raises membrane area resistance compared to 50 μm grades, which must be balanced against reduced crossover for high cycle-life designs.
What are the conductivity and acid capacity specifications that govern proton transport efficiency for the N-1135 in a vanadium flow battery stack?
The membrane delivers in-plane conductivity ≥0.100 S/cm and normal-direction conductivity ≥0.04 S/cm, paired with an acid capacity of 1.00 ± 0.05 meq/g. These parameters ensure consistent proton conduction under VFB operating conditions; the tight acid capacity tolerance is critical for maintaining stable ion-exchange capacity across the membrane area.
What handling and dimensional constraints apply when integrating the 1 m × 1 m N-1135 membrane into a laboratory-scale VFB test cell?
The standard sheet size is exactly 1 m × 1 m (1 m²), with a thickness of 80 μm and a specific gravity of 1.97, making the membrane relatively stiff but requiring careful flat handling to avoid creasing. Custom dimensions are available only by email inquiry with quotation confirmation; the packaging ensures protection during transit but the membrane should be stored in a clean, dry environment to maintain its water content of 5.0 ± 3.0%.
The N-1135 80 μm PFSA membrane provides enhanced mechanical robustness (≥30 MPa tensile, ≥400 MPa modulus) and balanced proton conductivity (≥0.100 S/cm in-plane) for vanadium flow battery applications, with controlled water uptake (50±5%) and acid capacity (1.00±0.05 meq/g) to ensure consistent performance.
Positive
- Enhanced Mechanical Durability: Tensile strength ≥30 MPa and elastic modulus ≥400 MPa, combined with elongation at break ≥120%, provide long-term structural integrity under mechanical stress in flow battery stacks.
- High Proton Conductivity with Controlled Acid Capacity: In-plane conductivity ≥0.100 S/cm and normal conductivity ≥0.04 S/cm, together with acid capacity of 1.00±0.05 meq/g, ensure consistent and efficient proton transport while minimizing vanadium crossover.
Trade-offs
- Strict Water Uptake Tolerance: Water uptake is specified at 50.0±5.0% and water content at 5.0±3.0%, requiring careful control of hydration conditions during assembly and operation to maintain dimensional stability and performance.
- Limited Standard Sheet Size: The product is supplied as a standard 1 m × 1 m sheet; custom dimensions require separate email confirmation, which may introduce lead time and limit immediate availability for non-standard stack designs.
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).
