Description
ATOMFAIR® AFSPPE16U60MM10M WET PROCESS PE SEPARATORRESEARCH GRADE MATERIAL
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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 document describes the environmental storage and handling constraints for a wet process PE separator designed for lithium-rich manganese-based batteries. The separator is sensitive to heat, moisture, and prolonged exposure to sunlight, requiring sealed storage in a dry, low-temperature environment.
- Storage Environment: Store the separator sealed in a normal or low temperature, dry, and ventilated environment to prevent moisture absorption and degradation.
- Heat and Fire Avoidance: Keep the separator away from fire, heat sources, and sun exposure to prevent thermal shrinkage and melting.
- Transportation Precautions: During transportation, avoid rain, sun exposure, and fire baking to maintain material integrity.
- Thermal Stability: The separator has a melting temperature of 135°C and exhibits longitudinal heat shrinkage of 1.2% and transverse shrinkage of 0.1% at unspecified conditions, requiring careful control during battery assembly processes.
- Chemical Compatibility: This separator is specially designed for use in lithium-rich manganese-based batteries, ensuring compatibility with the electrolyte system of that chemistry.
How does the puncture strength of 535g for this 16μm wet process PE separator compare to its ionic transport properties, and what trade-off exists between mechanical robustness and porosity for lithium-rich manganese-based battery applications?
The separator achieves a high puncture strength of 535g at 16μm thickness, but this is supported by a relatively low porosity of 39% and air permeability of 224s, indicating a denser microstructure that may slightly reduce ionic conductivity compared to higher-porosity separators. For lithium-rich manganese-based batteries, which are prone to gas evolution and volume changes, this trade-off prioritizes mechanical integrity to prevent internal short circuits over maximum rate capability.
Is this wet process PE separator optimized exclusively for lithium-rich manganese-based cathodes, or can it be integrated with NMC or LFP cathode systems without performance degradation?
While the separator is specially designed for lithium-rich manganese-based batteries, its base PE film and 16μm thickness with 39% porosity and 224s air permeability provide a balance of mechanical and transport properties suitable for other lithium-ion chemistries. However, the melting temperature of 135°C and heat shrinkage values (MD 1.2%, TD 0.1%) should be validated against the thermal runaway profiles of NMC or LFP systems, which may have different operating temperatures and venting mechanisms.
What are the critical storage and handling conditions to maintain the 535g puncture strength and 135°C melting integrity of this 16μm wet process PE separator?
The separator must be stored sealed in a dry, ventilated environment at normal or low temperatures to prevent moisture absorption and maintain the PE film's mechanical properties, including its 535g puncture strength. Avoid exposure to temperatures approaching 135°C (the melting point) and keep away from fire, heat sources, and direct sunlight during transport and storage to prevent thermal shrinkage (MD 1.2%, TD 0.1%) or structural degradation.
This 16μm wet-process PE separator offers a balanced combination of high puncture strength and low heat shrinkage, making it suitable for lithium-rich manganese-based battery chemistries. However, its relatively low melting point and strict storage requirements must be accounted for during cell design and handling.
Positive
- High puncture strength for dendrite resistance: With a puncture strength of 535 g, this separator provides robust mechanical resistance against lithium dendrite penetration, a critical advantage for long-cycle-life in lithium-rich manganese-based batteries.
- Minimal transverse heat shrinkage: Transverse heat shrinkage is only 0.1%, ensuring excellent dimensional stability during electrode stacking and thermal cycling, which reduces the risk of internal short circuits.
Trade-offs
- Low melting temperature limits thermal safety: The melting temperature of 135°C means the separator loses structural integrity at relatively low temperatures, requiring careful thermal management to prevent shrinkage or meltdown during overcharge or thermal runaway scenarios.
- Strict storage and handling environment required: Storage mandates a sealed, dry, ventilated environment away from heat sources, fire, and sun exposure, imposing logistical constraints on inventory management and laboratory storage conditions.
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). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
