PPS Alkaline Water Electrolysis Separator Membrane – Thin TypeProduct Type: AEM membrane
COMMERCIAL-grade product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility 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 requires electrolyte compatibility with alkaline water electrolysis environments and must be handled to avoid contamination that could compromise hydrophilic performance. Mechanical integrity is sensitive to improper tensioning during electrolyzer assembly, which can induce delamination or fiber breakage.
- Environmental Sensitivity: Exposure to moisture or acidic contaminants prior to installation may degrade the permanent hydrophilic treatment and increase water absorption time beyond the specified ≤10 s threshold.
- Mechanical Failure Mode: Excessive tensile stress exceeding 1500 N/5 cm in either machine or cross direction can cause irreversible fiber damage and reduce gas barrier airtightness below the ≥520 mmH₂O limit.
- Assembly Constraint: The membrane must be confirmed for required construction type—plain-weave single-layer or twill double-layer/multilayer—before quotation to match electrolyzer separator design.
This membrane must be cut, wetted, and assembled into an alkaline electrolyzer stack without contamination or mechanical overstress. Proper handling ensures long-term gas barrier performance and low membrane resistance.
Required Equipment: Cleanroom scissors or rotary cutter, Deionized water bath (60 °C), Clean, lint-free handling gloves
- Inspect the Membrane
Inspect the received 1 m x 1 m sheet for visible defects, contamination, or mechanical damage before handling. - Cut to Required Dimensions
Cut the membrane sheet to the exact electrolyzer separator dimensions using cleanroom scissors or a rotary cutter to avoid fraying edges. - Pre-Wet the Membrane
Submerge the cut membrane in deionized water at 60 °C for at least 10 seconds to achieve full wetting and activate the hydrophilic treatment. - Transfer to Electrolyzer Assembly
Transfer the wetted membrane directly into the electrolyzer stack, ensuring no folding or creasing that could create gas leakage paths. - Secure Within Stack
Secure the membrane position within the stack and apply uniform compression using the gasket frame to prevent local overstress or wrinkling.
How does the 0.85 mm thickness of the Atomfair PPS membrane affect membrane resistance and gas barrier properties?
The ultra-thin 0.85 mm design minimizes cell resistance to ≤0.18 Ω·cm² at 60°C while maintaining airtightness ≥520 mmH₂O. This achieves effective gas separation between hydrogen and oxygen without compromising mechanical strength, with tensile strength ≥1500 N/5cm in both warp and weft directions.
What weave construction options are available for this PPS separator membrane and how do they influence electrolyzer performance?
The membrane is available in plain-weave single-layer or twill double-layer/multilayer constructions. The required construction must be confirmed before quotation, as it directly affects mechanical properties, thickness, and gas barrier characteristics. The standard listing is for a plain-weave single-layer sheet.
What are the maximum sheet dimensions and size constraints for this PPS membrane?
The maximum effective width is ≤2500 mm and maximum piece length is ≤2500 mm. This listing is for a single 1 m x 1 m sheet; non-standard widths, lengths, or cut pieces require a separate quotation. Standard packaging and shipping conditions apply.
The Atomfair AF-PPS-450 PPS alkaline water electrolysis separator membrane (thin type, 0.85 mm, 480 g/m²) provides a balanced combination of low membrane resistance (≤0.18 Ω·cm² at 60°C) and high airtightness (≥520 mmH₂O), enabling efficient ion transport and effective gas separation in alkaline electrolyzers, though its 1 m x 1 m supplied sheet size and required construction confirmation necessitate pre-order technical consultation.
Positive
- Low membrane resistance at operational temp: Membrane resistance ≤0.18 Ω·cm² at 60°C minimizes ohmic losses, enhancing cell efficiency during continuous alkaline electrolysis operation.
- High airtightness for gas separation: Airtightness ≥520 mmH₂O ensures effective separation of hydrogen and oxygen, reducing cross-contamination risks in the electrolyzer.
Trade-offs
- Fixed sheet size limits flexible integration: The listing supplies a 1 m x 1 m sheet, requiring custom-sized orders via email quotation, which may delay procurement for non-standard electrolyzer geometries.
- Construction type must be confirmed prior: The membrane is available in plain-weave or twill constructions, but the specific weave for each order must be confirmed before quotation, adding a validation step to the purchasing process.
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).
