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ATOMFAIR® an open white cardboard box containing white circular trilayer battery separator discs neatly stacked in a four-compartment blue plastic tray.

PP/PE/PP Trilayer Separator Disk 25μm 40% Porosity ATOMFAIR®

$78.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Research-grade PP/PE/PP trilayer separator disk for CR20XX coin cells. Thickness 25±4μm, porosity 40±5%, air permeability 19-29s/100ml. Order now.

SKU: AFMSXDIO028
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Description

ATOMFAIR® PRE-CUT THREE-LAYER COMPOSITE FILM (BUTTON BATTERY SPECTRUM)

RESEARCH GRADE MATERIAL

Product Overview
The ATOMFAIR® Precision Pre-cut Three-layer Composite Film is an advanced macromolecular barrier disc engineered exclusively as a dedicated accessory component for button cell assembly architectures and high-end material R&D screening workflows. Formulated via multi-layer co-extrusion technology to achieve a symmetric PP/PE/PP tri-layer stack, this research-grade matrix establishes total physical isolation between sensitive electrodes while promoting rapid, low-impedance alkali-ion migration networks. Designed to withstand repeated assembly and post-test tear-down stress without layer delamination, this pre-cut substrate eliminates baseline contamination and moisture side reactions under controlled laboratory glove box environments.

Technical Specifications

PARAMETER DETAILS / METRIC VALUES
1. Core Device & Device Root Substrate Designation
Material Layer Structure PP/PE/PP Three-layer Composite Crystalline Configuration
Form Factor Configuration Precision pre-cut uniform discs tailored for coin cell series assembly and post-cycle disassembly analysis
Strict Operating Protocol Must be unpacked exclusively within argon-filled glove box units under low-humidity, dustless parameters to prevent active component oxidation
2. Membrane & Porous Barrier Parameters
Total Thin-Film Thickness 25 ± 4 μm Cross-Section
Air Permeability Value (Gurley) 19 × 29 s/100ml Porous Cross-Flow Rate
Micro-Porous Porosity Rating 40 ± 5 % Open Void Fraction
3. Mechanical, Thermal & Kinetic Transport Matrix
Ultimate Mechanical Tensile Strength Longitudinal Direction (MD): ≥ 700 kgf/cm² | Transverse Direction (TD): ≥ 70 kgf/cm²
Structural Fatigue Resistance High durability limit against repeated compression and tearing; resists edge distortion during cell teardown
Manufacturing Rules Processed under strict ISO standard experimental grade compliance conditions (ISO 1872 and ASTM D882 certified)
Alternative Options Custom geometrical shapes, specialized multi-layer stacking orders, and alternative volumetric sizing are available upon institutional demand. Please contact our support team.


Key Features & Advantages
  • Homogeneous Material Purity: Formulated with ISO 1872 certified high-purity polypropylene and polyethylene structures to prevent parasitic chemical interaction loops with advanced liquid electrolytes.
  • Enhanced Operational Efficiency: Specifically engineered with balanced directional tensile thresholds, providing strong resistance against mechanical tearing, piercing, and structural damage during intense charge-discharge cyclings.
  • Optimized Microstructure: Tightly calibrated air permeability (19 × 29 s/100ml) and uniform open porosity ensure highly efficient ion conduction kinetics, completely eliminating testing polarization variables.

APPLICATION SCOPE: Premium isolating discs for button cell prototyping trials, electrolyte compatibility screening, ion transmission verification, advanced cathode/anode material mapping, and post-cycle disassembly analysis.
PACKAGING: Dispatched inside clean, air-tight containment modules integrated with separate lot trace quality certificates to safeguard uncompromised surface freshness.
IMPORTANT NOTICE: This tri-layer composite functional disc requires absolute ambient containment during unpacking. Handle exclusively under inert argon parameters with low relative humidity and dustless restrictions to completely prevent active component oxidation or moisture side reactions before definitive cell validation.

TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

PP/PE/PP trilayer separator disks require inert atmosphere handling to prevent oxidation and moisture contamination. Humidity below 2% RH and dust-free conditions are mandatory to maintain electrochemical performance.

  • Atmosphere Constraint: Unpack and use the separator only inside an argon-filled glovebox to avoid oxygen and moisture exposure.
  • Humidity Constraint: Ambient humidity must be maintained below 2% relative humidity to eliminate moisture interference with battery reactions.
  • Contamination Constraint: Operate in a dust-free environment to prevent particle contamination that could cause short circuits or inconsistent data.

This procedure outlines the essential steps for installing the PP/PE/PP trilayer separator disk in a CR20XX coin cell under controlled conditions. Proper environment and handling ensure reliable electrochemical testing.

Required Equipment: Argon-filled glovebox, Humidity monitor, Lint-free cloth, CR20XX coin cell crimping tool

  1. Transfer package into glovebox
    Transfer the sealed separator disk package into the argon-filled glovebox through the antechamber to avoid oxygen ingress.
  2. Verify humidity level
    Confirm via a humidity monitor that the glovebox internal relative humidity is below 2% RH before opening the package.
  3. Prepare clean work surface
    Wipe the work surface inside the glovebox with a lint-free cloth to ensure a dust-free area.
  4. Position separator disk
    Open the separator package and position the disk centrally between the cathode and anode layers in the CR20XX coin cell casing.
  5. Seal coin cell
    Close the coin cell casing and crimp it securely according to the cell manufacturer's specifications.

How does the 25 μm thickness and 40% porosity of this PP/PE/PP trilayer separator affect the trade-off between mechanical integrity and ionic transport in CR20XX coin cells?

The 25 μm thickness with 40% porosity balances mechanical robustness with efficient ion transport: the dense PP/PE/PP structure delivers MD tensile strength ≥700 kgf/cm² and TD ≥70 kgf/cm² per ASTM D882, while the 40% porosity and air permeability of 19–29 s/100 ml ensure adequate electrolyte wetting and ion mobility without compromising structural integrity during cycling.

Can this pre-cut PP/PE/PP trilayer separator be adapted for non-CR20XX coin cell formats or larger pouch cell configurations in battery R&D?

No, this separator is exclusively designed for CR20XX series button batteries and is precision-cut to that specific form factor; it is not recommended for use in other coin cell sizes or pouch cells, as the dimensions and layered construction are optimized for the CR20XX housing and electrode geometry.

What are the mandatory environmental conditions for unpacking and handling this PP/PE/PP trilayer separator to prevent contamination and ensure reproducible battery test results?

The separator must be unpacked and used inside an argon-filled glove box with ambient humidity below 2% RH and a dust-free environment to avoid oxidation of electrode materials, moisture interference, and particle contamination—this aligns with standard research-grade coin cell assembly protocols.

This pre-cut PP/PE/PP trilayer separator offers precise thickness (25±4μm) and porosity (40±5%) for CR20XX coin cell research, with balanced mechanical strength and chemical inertness, but requires stringent controlled-environment handling and is limited to the CR20XX form factor.

Positive

  • Precision three-layer isolation: The PP/PE/PP trilayer structure provides precise separation between electrodes, preventing short circuits while facilitating efficient ion exchange for accurate electrochemical testing.
  • Excellent chemical compatibility: The composite material is chemically inert to most battery electrolytes, avoiding adverse reactions and compatible with a wide range of electrode materials in advanced R&D.

Trade-offs

  • Strict controlled environment required: Must be unpacked and used in an argon-filled glove box with humidity below 2% RH and dust-free conditions to prevent oxidation and moisture interference, aligning with research-level protocols but demanding specialized infrastructure.
  • Limited to CR20XX coin cell format: Pre-cut exclusively for CR20XX series button batteries; not suitable for other cell formats without custom sizing, restricting application flexibility.

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).

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