ATOMFAIR® WET-PE SEPARATOR 14µm 60mm 10mRESEARCH GRADE MATERIAL
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This separator requires storage in a sealed, dry, and ventilated environment away from heat sources and direct sunlight to prevent thermal degradation. Handling must avoid mechanical stress that could induce puncture or delamination, as the film's puncture strength and tensile properties are critical to battery safety.
- Electrolyte Compatibility: This separator is specifically formulated for compatibility with the electrolyte systems used in lithium-rich manganese-based battery chemistries.
- Thermal Stability: Prolonged exposure to temperatures exceeding the 135°C melting point may cause film melting and catastrophic battery failure.
- Humidity Sensitivity: The separator must be handled in a low-humidity environment to prevent moisture absorption that could compromise electrolyte wetting and battery performance.
- Contamination Control: The film must be kept in its sealed packaging until use to prevent contamination from airborne particles that could block pores.
- Mechanical Integrity: Mechanical defects such as pinholes, tears, or creases can lead to internal short circuits and must be avoided during cell assembly.
How does the 14 μm wet process PE separator compare to the 12 μm and 16 μm variants in terms of puncture strength and heat shrinkage for lithium-rich manganese-based battery applications?
While the exact puncture strength for the 14 μm separator is not listed, data from the adjacent thicknesses in the product family—12 μm at 566 g and 16 μm at 535 g—indicate that the 14 μm version offers a balanced trade-off between mechanical robustness and ionic transport. Longitudinal heat shrinkage for the 12 μm and 16 μm variants is 0.9% and 1.2%, respectively, both low enough to ensure dimensional stability under typical battery operating conditions, and the 14 μm is expected to exhibit similar performance.
What specific compatibility advantages does the 14 μm wet PE separator offer for lithium-rich manganese-based battery chemistries over standard PE separators?
This separator is specifically engineered for lithium-rich manganese-based batteries, which typically operate at higher voltages and demand superior oxidation resistance and thermal stability. The 14 μm wet-process PE base film provides a low ionic resistance for high-rate capability while maintaining a melting point of 135 °C, a critical safety parameter that helps prevent thermal runaway in these high-energy-density systems.
What are the essential storage and handling requirements for maintaining the integrity of the 14 μm wet PE separator before use?
The separator must be stored sealed in a normal or low temperature, dry, and well-ventilated environment, away from fire, heat sources, and direct sunlight. During transportation, it must be protected from rain, fire baking, and sun exposure; the product is shipped in a plastic sealed bag with a buffer pad to prevent physical damage and moisture ingress.
The Atomfair Wet Process PE Separator 14 μm is a specialty component for lithium-rich manganese-based batteries, offering ultra-thin geometry to boost energy density. However, the absence of critical mechanical and transport specifications and the low melting point of PE pose constraints for high-temperature or high-rate applications.
Positive
- Ultra-thin 14 μm design: At 14 μm total thickness, this separator minimizes ion transport distance and internal resistance, enabling higher energy density in lithium-rich manganese-based cells.
- Formulated for Li-rich Mn cathodes: Explicitly designated for lithium-rich manganese-based batteries, indicating tailored electrolyte compatibility and electrochemical stability for this high-voltage cathode class.
Trade-offs
- Missing mechanical and transport data: Key parameters such as porosity, air permeability, tensile strength, and puncture strength are not provided for this specific model, requiring users to request characterization data for process validation.
- Low thermal shutdown temperature: With a melting temperature of 135°C, the PE separator is susceptible to thermal shrinkage and shutdown at elevated temperatures, limiting safe operating window for high-rate or high-temperature cycling.
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).
