Aluminum Laminated Film for Pouch Cell Battery Cases | Lithium Ion Battery Packaging Material
PRODUCT PARAMETERS
Description
Aluminum Laminated Film for Pouch Cell Battery Cases | 80-400μm Thickness | CE Certified
Product Overview
Aluminum laminated film stands as one of the five major materials in lithium-ion battery production, serving as the essential packaging material for pouch lithium batteries. We supply this high-performance film to battery manufacturers worldwide, enabling them to produce reliable, long-lasting pouch cells.
This specialized film features a multi-layer construction that combines strength, flexibility, and exceptional barrier properties. The structure consists of:
- Outer nylon layer – Provides mechanical strength and puncture resistance
- Adhesive layers – Bond the layers together securely
- Intermediate aluminum foil – Creates the ultimate barrier against moisture and gas
- Inner heat seal layer – Enables hermetic sealing during battery assembly
Furthermore, we offer this material in both roll and sheet formats with thickness options ranging from 80μm to 400μm. Whether you need material for R&D prototyping or high-volume production, our aluminum laminated film delivers consistent quality and performance.
Business & Logistics Information
| Parameter | Details |
|---|---|
| Place of Origin | China |
| Brand Name | Gelon |
| Model Number | GN |
| Certification | CE |
| Minimum Order Quantity | 25 kg |
| Packaging Details | Standard exported package: Internal anti-collision protection, external export wooden box packaging |
| Delivery Time | 15 days |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000 pcs/month |
| Warranty | 1 Year |
Key Material Properties
1. Multi-Layer Construction for Superior Performance
We engineer this aluminum laminated film with a precise multi-layer structure that maximizes performance:
| Layer | Material | Function |
|---|---|---|
| Outer layer | Nylon | Mechanical strength, puncture resistance, printability |
| Adhesive layer | Special adhesive | Bonds outer layer to aluminum |
| Middle layer | Aluminum foil | Ultimate moisture and gas barrier |
| Adhesive layer | Special adhesive | Bonds aluminum to sealant layer |
| Inner layer | Heat seal layer | Enables hermetic sealing during battery assembly |
2. Excellent Barrier Properties
The aluminum foil core provides exceptional protection against moisture and oxygen. With water vapor barrier performance tested at 60°C/90% RH for 336 hours, this film ensures your battery electrolyte remains pure and effective throughout the cell’s life.
3. Strong Sealing Performance
We formulated this film to deliver reliable, consistent seals during battery assembly. Key sealing parameters include:
- Initial lamination strength (AL/PPa): Optimized for strong layer adhesion
- Initial sealing strength: Provides secure, hermetic seals
- Sealing surface pressure performance:
- At 1.0 MPa: ≥50 (seal strength value)
- At 0.5 MPa: 70-80 (seal strength value)
- At 1.0 MPa: ≥85 (seal strength value)
4. Consistent Coating Quality
Our manufacturing process ensures:
- Moderate slurry coating thickness for optimal performance
- No electrode powder dropping during processing
- Smooth, burr-free surfaces for reliable sealing
- Uniform thickness across the entire roll
5. Versatile Format Options
We offer this material in multiple formats to suit your production needs:
- Thickness range: 80, 100, 114, 133, 160, 200, 266, 400 μm
- Format options: Rolls or sheets
- Custom sizes available upon request
Technical Specifications
| Parameter | Value | Test Conditions |
|---|---|---|
| Thickness Options | 80, 100, 114, 133, 160, 200, 266, 400 μm | |
| Water Vapor Barrier Performance | <5 g/m²·day (typical) | 60°C, 90% RH, 336 hours |
| Initial Lamination Strength (AL/PPa) | Industry-leading values | N/15mm |
| Initial Sealing Strength | Optimized for battery assembly | N/15mm |
| Sealing Strength – 1.0 MPa | ≥50 | Sealing surface pressure |
| Sealing Strength – 0.5 MPa | 70-80 | Sealing surface pressure |
| Sealing Strength – 1.0 MPa | ≥85 | Sealing surface pressure |
| Material | Aluminum laminated composite | Nylon/Adhesive/Aluminum/Adhesive/Sealant |
| Application | Pouch cell battery cases | Lithium-ion battery packaging |
| Warranty | 1 Year |
How Aluminum Laminated Film Works in Battery Production
Step 1: Film Preparation
First, you receive the aluminum laminated film in your chosen format (roll or sheet). The film consists of all five layers pre-bonded and ready for forming.
Step 2: Case Forming
Using a pouch cell forming machine, you shape the film into battery cases. The outer nylon layer provides the strength needed for forming, while the aluminum layer maintains its barrier integrity.
Step 3: Electrode Insertion
Next, you insert the electrode stack (cathode, separator, anode) into the formed case. The inner heat seal layer remains ready for sealing.
Step 4: Electrolyte Filling
After electrode insertion, you fill the cell with electrolyte. The aluminum barrier prevents solvent evaporation and moisture ingress during this critical step.
Step 5: Sealing
Finally, you seal the pouch using heat and pressure. The inner heat seal layer melts and bonds, creating a hermetic seal. The sealing parameters (temperature, pressure, time) optimize based on your specific film thickness and battery design.
Applications
- Pouch Cell Battery Cases: Primary packaging for soft-pack lithium batteries
- Consumer Electronics Batteries: Smartphones, laptops, tablets, wearables
- Electric Vehicle Batteries: Automotive pouch cells
- Energy Storage Systems: Stationary battery applications
- R&D Prototyping: Developing new pouch cell designs
- Medical Device Batteries: Implantable and portable medical equipment
Why Choose Gelon Aluminum Laminated Film
- Critical Battery Material: As one of the five major lithium battery materials, aluminum laminated film directly impacts cell reliability and life. We manufacture to the highest standards.
- Superior Barrier Properties: The aluminum core provides exceptional protection against moisture and oxygen, preserving electrolyte integrity and extending battery life. Our 60°C/90% RH 336-hour testing confirms this performance.
- Excellent Sealing Characteristics: With optimized sealing strength at various pressures (0.5-1.0 MPa), our film ensures hermetic seals that withstand battery cycling and aging.
- Multi-Thickness Availability: We offer thicknesses from 80μm to 400μm, allowing you to select the optimal material for your specific cell design – from thin consumer cells to thick EV batteries.
- Consistent Quality: Our manufacturing process ensures uniform thickness, smooth surfaces, and no burrs – critical factors for reliable battery production.
- Flexible Format Options: Choose rolls or sheets based on your production process. We accommodate custom sizes for your specific requirements.
- Complete Battery Solutions Provider: We don’t just supply film – we offer full sets of lithium battery materials and equipment. This integrated approach ensures compatibility across your entire production line.
- CE Certified: Our materials meet international quality standards.
- Fast Delivery: With 15 days delivery time and 5000 pcs/month supply capacity, we keep your production running.
Complete Battery Solutions from Gelon
The Aluminum Laminated Film is part of Gelon’s comprehensive lithium battery material and equipment offering:
1. Full Set of Lithium Battery Materials
- Cathode Materials: LiMn₂O₄, LTO, LiNiMnCoO₂ (NMC), LiCoO₂
- Anode Materials: Graphite (MCMB), natural graphite, and more
- Current Collectors: Aluminum foil, copper foil
- Separators: Battery separator
- Electrolyte: Various formulations
- Other Accessories: Binders (SBR, CMC, PVDF), conductive additives (Super-P Li), aluminum & nickel tabs, battery pack tags
2. Full Set of Lithium Battery Equipment
Complete laboratory and production equipment including:
- Mixing machine → Coating machine → Rolling machine → Slitting machine
- Stacking machine → Winding machine → Vacuum oven → Sealing machine
- Glove boxes → And more…
3. Full Set of Lithium Battery Technology
- Laboratory Design: We can design your battery lab according to your requirements
- Production Line Design: Complete production line layout and configuration
- Process Support: Technical guidance for battery manufacturing
Frequently Asked Questions (FAQ)
Q: What thickness options are available?
A: We offer aluminum laminated film in thicknesses of 80, 100, 114, 133, 160, 200, 266, and 400 μm. Contact us for other thickness requirements.
Q: What are the dimensions of the film?
A: We supply film in both roll and sheet formats. Please provide your required dimensions, and we will accommodate your specifications.
Q: What is the structure of the film?
A: The film consists of five layers: outer nylon layer / adhesive / intermediate aluminum foil / adhesive / inner heat seal layer.
Q: How does this film perform as a moisture barrier?
A: The aluminum core provides excellent barrier properties. We test at 60°C/90% RH for 336 hours to verify performance.
Q: What sealing parameters should I use?
A: Optimal parameters depend on your specific film thickness and battery design. Based on our testing:
- At 0.5 MPa sealing pressure: Expect seal strength of 70-80
- At 1.0 MPa sealing pressure: Expect seal strength ≥85
Q: Can I get samples for testing?
A: Please contact our sales team to discuss sample availability for your qualification process.
Q: What is the minimum order quantity?
A: Our MOQ is 25 kg. We work with both R&D labs and production facilities.
Q: Do you supply other pouch cell materials?
A: Yes! Gelon supplies complete lithium battery materials including cathodes, anodes, separators, electrolytes, and tabs.
Q: Do you also supply pouch cell assembly equipment?
A: Absolutely. We offer full sets of lithium battery equipment including forming machines, sealing machines, stacking machines, and winding machines.
Q: What is the warranty period?
A: We provide a 1-year warranty on material quality.
Q: Is the material CE certified?
A: Yes, our aluminum laminated film meets CE certification standards.
Q: What is the delivery time?
A: Standard delivery is 15 days after order confirmation.
Shipping and Packaging Information
- Packaging: Standard exported package with internal anti-collision protection and external export wooden box packaging ensures safe international delivery
- Shipping Methods: We offer various shipping options based on your location and timeline
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