Battery supporting materials
Aluminum Laminated Film 113um Thickness 400mm Width Polymer Lithium Battery Pouch Cell Packaging Material
Item Number : FZ65
Price varies based on specs and customizations
- Total Thickness
- 113 μm
- Standard Width & Length
- 400 mm × 300 m
- Forming Depth
- ≥ 5.0 mm
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Product Overview
This high-performance aluminum laminated film is an advanced multilayer composite packaging material engineered specifically for polymer lithium-ion battery and solid-state pouch cell manufacturing. Designed to deliver an impenetrable hermetic barrier against atmospheric moisture, humidity, and oxygen ingress, this flexible packaging substrate ensures optimal electrochemical stability and maximum operational longevity for sensitive cell chemistries.
Constructed through precision lamination of high-purity barrier aluminum foil, an external protective polyamide layer, and an internal chemically resistant cast polypropylene layer, this material exhibits outstanding mechanical ductility and high deep-drawing performance. It easily accommodates single-cup and double-cup pouch forming processes without pinholing, micro-cracking, or delamination, making it ideal for pilot lines, academic battery research facilities, and high-volume commercial production.
Manufactured under rigorous cleanroom standards and strict quality control protocols, this packaging substrate provides exceptional electrolyte resistance against corrosive solvents and lithium hexafluorophosphate degradation products. Its robust heat-seal characteristics and reliable electrical insulation ensure zero internal shorting risks and defect-free hermetic sealing across high-throughput cell assembly workflows.
Key Features
- Multi-Layer Composite Architecture: Features a precisely engineered five-layer structure combining an outer polyamide protective film, high-performance polyurethane adhesives, barrier-grade aluminum foil, and an internal acid-resistant cast polypropylene layer for unmatched physical and chemical protection.
- Superior Deep Drawability: Delivers a certified cold-forming punch depth of ≥5.0 mm without necking, pinhole formation, or corner delamination, allowing cell designers to maximize internal volumetric energy density in compact pouch cell form factors.
- Ultralow Permeation Moisture Barrier: Achieves an industry-leading water vapor and oxygen transmission rate of less than 200 ppm over 5 years, preventing premature electrolyte degradation, cell swelling, and gas generation over prolonged operational life cycles.
- Robust Heat-Sealing Integrity: Formulated for optimized thermal sealing between 180°C and 190°C, yielding a superior seal strength exceeding 22.5 N/15mm under standard thermal sealing conditions of 200°C at 0.2 MPa for 2 seconds.
- Outstanding Electrolyte and Solvent Resistance: Specially modified inner polypropylene sealing layer withstands aggressive organic carbonate electrolytes and corrosive hydrofluoric acid byproducts without swelling, peeling, or loss of bond strength.
- High Interlayer Lamination Strength: Features rigorous peel adhesion exceeding 2 N/15mm for Nylon/Al interfaces and exceeding 5 N/15mm for Al/CPP interfaces, preventing delamination under internal pouch pressure fluctuations.
- Controlled Surface Friction: Low coefficient of friction (CPP/CPP < 1.0) and high surface cleanliness facilitate smooth feeding through automated pouch forming, winding, and die-cutting machinery without jam-ups or surface scuffing.
- High Cleanliness and Defect Control: Strict defect-limiting standards restrict transparent fisheyes to ≤2 mm, colored fisheyes to ≤1 mm, and general surface impurities to ≤1 mm diameter, ensuring uniform current collector isolation and preventing micro-puncture failures.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Polymer Lithium-Ion Pouch Cells | Serving as the outer hermetic casing for consumer electronics, wearable devices, and mobile communication battery packs. | High dimensional stability, lightweight profile, and superior volumetric packaging efficiency. |
| Electric Vehicle (EV) Module Prototyping | Packaging pilot-scale high-energy NMC, LFP, and LTO pouch cells requiring deep drawing and superior mechanical vibration resistance. | Exceptional thermal stability, robust interlayer adhesion, and zero-defect deep draw capability up to 5.0 mm. |
| Solid-State Battery R&D | Encapsulating advanced sulfide-, oxide-, and polymer-based solid-state electrolytes sensitive to ambient ambient moisture. | Ultra-low moisture transmission (<200 ppm / 5 yr) preventing rapid degradation of moisture-reactive solid electrolytes. |
| Next-Gen LTO Symmetrical Cells | Packaging zero-volt capable Lithium Titanium Oxide pouch cells utilizing lightweight aluminum current collectors on both electrodes. | Eliminates pouch corrosion risks while matching lightweight packaging goals for high-safety zero-volt storage cells. |
| High-Rate Supercapacitor Cells | Enclosing organic electrolyte supercapacitors and hybrid ultra-capacitors exposed to rapid charge-discharge thermal cycles. | Superior heat-seal retention and high solvent resistance against high-polarity organic electrolyte formulations. |
| Academic & Industrial Battery Laboratories | Providing standardized flexible packaging rolls for pouch cell cup forming, vacuum heat-sealing, and electrochemical cycle testing. | Consistent batch-to-batch thickness (113 μm) and uniform matte finish for reproducible experimental results. |
Technical Specifications
| Specification Parameter | Technical Detail / Value |
|---|---|
| Product Item Number | FZ65 |
| Total Nominal Thickness | 113 μm |
| Standard Reel Width | 400 mm (Options: 100 mm, 114 mm, 133 mm, 160 mm, 200 mm, 266 mm) |
| Standard Roll Length | 300 m (Options: 500 m for widths 100–200 mm; 300 m for 266 mm & 400 mm) |
| Layer 1: Outer Protective Layer | Polyamide / Nylon (JIS Z1714): 0.025 mm (±0.0025 mm / 25 μm) |
| Layer 2: Outer Adhesive Layer | Polyester-Polyurethane adhesive: 4–5 g/m² |
| Layer 3: Barrier Metal Core | Soft Temper Aluminum Foil (JIS A8079, JIS A8021): 0.040 mm (±0.004 mm / 40 μm) |
| Layer 4: Inner Adhesive Layer | Acid-modified non-polyurethane adhesive: 2–3 g/m² |
| Layer 5: Inner Sealing Layer | Cast Polypropylene (CPP): 0.040 mm (±0.004 mm / 40 μm) |
| Surface Finish | Matte finish (non-reflective, scratch-resistant) |
| Cold-Forming Depth | ≥ 5.0 mm (tested with standard pouch forming punch die) |
| Moisture / Oxygen Permeation Rate | < 200 ppm / 5 years |
| Heat Seal Process Window | 180°C – 190°C |
| Heat Seal Strength | > 22.5 N/15mm (Sealed at 200°C × 0.2 MPa × 2.0 seconds) |
| Interlayer Lamination Strength (Nylon/Al) | > 2.0 N/15mm |
| Interlayer Lamination Strength (Al/CPP) | > 5.0 N/15mm |
| Residual Solvent Content | < 5.0 mg/m² |
| Coefficient of Friction (CPP / CPP) | < 1.0 |
| Pinhole Standard | Compliant with applicable high-barrier aluminum foil specifications |
| Allowable Fisheye Imperfections | Transparent: ≤ 2.0 mm diameter; Colored: ≤ 1.0 mm diameter |
| Surface Impurity Threshold | ≤ 1.0 mm diameter |
| Electrical Insulation Integrity | High dielectric breakdown resistance (no pinhole conductivity) |
Why Choose This Product
- Engineered Barrier Reliability: Built with ultra-pure soft-temper aluminum foil and advanced multi-component adhesives to eliminate pinholes and micro-fractures, ensuring total protection against ambient oxygen and moisture ingress.
- Exceptional Deep-Draw Uniformity: The optimized ductility and tensile balance between the polyamide shell and aluminum core prevent corner thinning and micro-tearing during deep mechanical cup forming operations.
- Electrochemical and Chemical Inertness: Formulated with an advanced non-polyurethane inner bonding agent and high-purity cast polypropylene to resist corrosive electrolyte salt decomposition products including hydrofluoric acid.
- Precision Manufacturing Standards: Stringent cleanroom production controls minimize residual solvents (<5.0 mg/m²) and foreign particulate contamination, ensuring maximum hermetic seal integrity and zero weld defects.
- Versatile Width and Slitting Options: Available in multiple standard widths from 100 mm to 400 mm with flexible roll lengths to accommodate automated pouch cell winding, stacking, and laboratory forming machines.
Contact our technical sales team today to request a quote, technical data sheets, or custom slitting specifications for your battery production requirements.
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