ATOMFAIR® WET PE SEPARATOR 12ΜM 60MM X 10MRESEARCH GRADE BATTERY SEPARATOR
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFair
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This wet-process polyethylene separator requires storage in a sealed, dry, and low-temperature environment to prevent moisture absorption and thermal degradation. The material must be kept away from ignition sources and mechanical stress to maintain dimensional stability and puncture resistance.
- Moisture Sensitivity: Store in a sealed container with desiccant to avoid moisture uptake that can compromise separator integrity.
- Thermal Constraint: Maintain storage temperature below 30°C to prevent thermal shrinkage beyond specified longitudinal and transverse limits.
- Mechanical Handling: Avoid sharp folds or excessive force to prevent puncture or tensile damage that could compromise battery safety.
- Chemical Exposure: Keep away from flammable materials and solvents to avoid chemical degradation or combustion risk.
Proper storage and handling of this separator are critical to preserve its mechanical and thermal properties for battery assembly. Follow these steps to ensure the material remains uncontaminated and dimensionally stable.
Required Equipment: Plastic-sealed bag, Cushion pad, Cleanroom gloves, Low-humidity storage cabinet
- Inspect packaging
Inspect the sealed plastic bag and cushion pads for any damage before opening to confirm product integrity. - Store in dry environment
Place the sealed separator in a dry, well-ventilated storage area with temperature below 30°C to maintain low humidity. - Isolate from heat sources
Position the storage container away from fire, heat sources, and flammable materials to prevent thermal or combustion hazards. - Protect from light and moisture
Avoid direct sunlight, rain, and condensation during handling or temporary storage to prevent environmental degradation. - Handle with care
Use clean gloves when touching the separator and avoid severe collision, extrusion, or sharp edges to preserve mechanical properties.
How does the puncture strength of a 14 μm wet-process PE separator compare with thinner and thicker variants from the same product family, and what performance trade-off does this imply for lithium-ion battery research?
The 14 μm variant (AF-PE14) delivers a puncture strength of 550 g, which is higher than the 7 μm (339 g) and 9 μm (410 g) grades, comparable to the 12 μm (566 g), and lower than the 20 μm (722 g) option. This means the 14 μm strike balances mechanical robustness against reduced ionic path length and lower areal density (8.0 g/m²) compared to thicker separators, making it suitable for energy‑density‑focused research cells that still require adequate dendrite resistance.
Which lithium‑ion cathode chemistries are compatible with this wet‑process PE separator given its 135 °C melting temperature and low thermal shrinkage?
This separator is compatible with standard lithium‑ion cathode materials such as NMC, LCO, LFP, and LMO, as long as the cell operates safely below its 135 °C melting point. Its low longitudinal (1.1% MD) and transverse (0.1% TD) thermal shrinkage ensures minimal dimensional change during typical formation cycling and mild thermal excursions, supporting consistent electrode isolation across these chemistries.
What storage and handling precautions are required to preserve the porosity and air permeability of a 14 μm wet‑process PE separator in a research lab?
Store the separator sealed in a dry, well‑ventilated environment at normal or low temperature, away from fire and heat sources. During transport, avoid sunlight, rain, and severe collision or extrusion, as physical damage could alter its 39.5% porosity and 223 s air permeability, both critical for consistent ionic transport in experimental coin or pouch cells.
This 12 μm wet-process PE separator offers a balanced combination of high puncture strength (566 g) and low thermal shrinkage (≤0.9% MD, 0.1% TD), making it suitable for research cell assembly. However, its 135°C melting point and sensitivity to handling and storage conditions require careful temperature management and proper laboratory protocols.
Positive
- High puncture strength for thickness: With a puncture strength of 566 g at 12 μm thickness, this separator provides robust mechanical integrity against dendritic penetration and handling stresses during cell assembly.
- Low thermal shrinkage in both directions: Longitudinal shrinkage of 0.9% and transverse shrinkage of 0.1% ensure dimensional stability under elevated temperatures, reducing short-circuit risks during battery testing.
Trade-offs
- Low melting temperature at 135°C: The polyethylene base film melts at 135°C, imposing a strict upper thermal limit on cell operation and increasing vulnerability to thermal runaway if temperatures approach this threshold.
- Requires controlled storage and handling: The separator must be stored in a dry, ventilated environment away from heat and flammable materials, and transported without collision or extrusion to prevent mechanical damage.
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).
