Product Description
Product Description:Material: 8011 aluminum iron silicon alloy (Fe 0.5-0.9%, Si 0.4-0.8%), thickness 0.015mm, width 1400mmCorrosion resistance: Passed GB/T 2423.17 salt spray test (720h) and electrolyte immersion test (LiPF6 , 60°C/30 days, weight loss rate <0.5%)Performance parameters: tensile strength ≥180MPa, elongation ≥15%, pinhole density ≤5 per m², surface tension ≥32mN/m (suitable for coating adhesion)
Core Benefits:
| Advantage |
Technical analysis |
| Ultra-thin high strength |
A thickness of 0.015mm achieves lightweight (less than 45g/m²) and has a tensile strength that is 30% higher than traditional aluminum foil (such as 1060), suitable for high energy density cell design. |
| Resistant to electrolyte corrosion |
Special annealing process and surface passivation treatment to resist the penetration of LiPF6 electrolyte (corrosion rate < 0.1μm/year), extending the battery cycle life by 20%. |
| Extremely low pinhole rate |
Precision rolling technology, pinhole density ≤5 pieces/m², ensuring packaging airtightness (leak rate <0.001%). |
| Wide-width high-efficiency production |
1400mm width suitable for 100m/min high-speed coating line, yield rate ≥99.5%, roll length 20,000 meters, reducing downtime for roll change. |
| Environmental compatibility |
100% recyclable and renewable, the carbon emissions during the production process are 70% lower than that of copper foil, and it meets the carbon footprint traceability requirements of the EU's 'New Battery Regulations'. |
Basic Info.
| Product |
8011 lithium battery encapsulation aluminum foil|ultra-thin 0.015mm/1400mm electrolyte corrosion resistance |
| Thickness |
0.015-0.9mm |
| Width |
800-2200mm |
| Material |
8011 (as request) |
| Temper |
O, H12, H14, H16, H18, H24, H26, H32, H34, etc |
| Surface Finishing |
Coating |
| T-Bend |
No More Than 2t |
| Coating thickness |
PVDF Paint Coating: Not Less Than 25um |
| |
PE Paint Coating : Not Less Than 18um |
| Packing |
Export Standard Wooden Pallets (Eye To Wall,Eye To Sky) |
| Payment Terms |
L/C at sight or 30% T/T in advance as deposit, and 70% balance against the B/L copy. |
| MOQ |
2Tons Per Specification |
| Delivery Time |
Within 30-45 Days |
| Loading Port |
Shanghai,Ningbo,Qingdao,Tianjin Port and Etc |
| Application |
Power batteries, energy storage batteries, flexible batteries, solid-state batteries |
Application scenarios and typical cases:
Power Battery (Chinese/European Market)
Case: CATL NCM 811 Battery Packaging
Solution: Replace traditional copper foil with 0.015mm 8011 aluminum foil for negative electrode current collector.
achievements:
The battery energy density has been increased by 15% (up to 300Wh/kg) and has passed the UN 38.3 safety certification.
Cost reduction of 12%, awarded the 2023 Global New Energy Vehicle Innovation Technology Award.
Energy storage batteries (North American market)
Case: Tesla Megapack Energy Storage System
Solution: 1400mm wide aluminum foil suitable for continuous lamination process, integrated with high temperature resistant coating (resistant to 80 ºC).
achievements:
The cycle life has exceeded 8000 times (capacity retention rate ≥ 80%) and obtained UL 9540A fire protection certification.
The production efficiency has increased by 25%, and the annual production capacity has been expanded to 40GWh.
Flexible batteries (Korean market)
Case: LG Chem Wearable Device Battery
Solution: 0.015mm aluminum foil undergoes micro wrinkling treatment, with bending times greater than 100000 times (curvature radius of 2mm).
achievements:
The battery thickness is less than 1mm, suitable for AR glasses, and meets the IEC 62133 safety standard.
The mass production yield is 98%, and the cost is 50% lower than the nano silver coating solution.
Solid state battery pre research (Japanese market)
Case: Toyota All Solid State Battery Prototype
Solution: 8011 aluminum foil surface coated with ceramic layer (Al2 O ∝), resistant to high voltage 5V interface reaction.
achievements:
The interface impedance is reduced by 40%, and the energy density reaches 400Wh/kg (laboratory data).
The goal is to achieve mass production by 2025 and support the next generation of electric vehicles.
Market Trend Insights
Explosive demand:
The global lithium battery production capacity will exceed 3TWh by 2025, and the penetration rate of ultra-thin aluminum foil will increase by 35% annually (according to Bloomberg New Energy Finance).
Technical iteration:
4680 large cylindrical batteries and blade batteries drive 0.01-0.02mm aluminum foil to become mainstream, with a market share of over 60% by 2024.
Geographical layout:
The construction of localized supply chains in Europe (such as Northvolt) has spurred an investment boom in 1400mm+wide aluminum foil production lines.
Future application prospects
Sodium ion battery packaging:
Adapt to highly corrosive NaPF6 electrolyte and develop a double-layer passivation coating (with a 50% increase in corrosion resistance).
Space energy system:
Radiation resistant modified aluminum foil (resistant to 1Mrad gamma rays), used for energy storage modules in lunar bases.
Self repairing coating technology:
Microencapsulated electrolyte neutralizer, automatically repairs coating damage and extends battery life by 30%.
Bipolar plates for hydrogen batteries:
Ultra thin aluminum foil composite graphene, replacing titanium substrate, reduces costs by 70% (potential market of $5 billion by 2030).
The 8011 lithium battery packaging aluminum foil, with a limit specification of 0.015mm/1400mm and a revolutionary breakthrough in corrosion resistance, has become the core material for high energy density batteries. From CATL's power batteries to Tesla's energy storage systems, its technological advantages have been validated by leading manufacturers worldwide. With breakthroughs in solid-state batteries and space energy, this material will continue to define a future of energy storage that is lighter, stronger, and safer.
Take action now:
Get a free electrolyte compatibility testing report, a global supply chain map, and solid-state battery research plans, and seize the high ground in new energy technology!
Advanced Automation System
We have two plants of 160,000centiare with eight large automatic roller coating lines for aluminium sheet material products.
Strict Quality Control
Dingang actively implements technical innovation,which based on ISO9001.The painted aluminum products are all passed audit by BV,SGS,ITS And Etc.
Better Service
Over hundreds of Countries export experience and excellent after-sales service.We satisfy the demands meanwhile also obtain public reputation and praise from customers.
Certifications
Relevant certificates:
FAQ
Factory FAQ
Q:What kind of Changzhou Dingang company?
A:Changzhou Dingang is a professional manufacturer of aluminum productions and has its own warehouse. We are working hard to open up the international market.
Q:Can you accept small orders?
A:Depend on our inventory, normally we accept small order.
Q:How to guarantee the quality?
A:Every production procedure will be tested and evaluated. From the selection of raw materials to packaging for shipment. Only products that pass all tests will be delivered for export.
Q:Can you provide free samples?
A:Yes, we can provide free sample for testing. Buyer should bear all the shipping costs.
Q:What is your factory advantage?
A:We are manufacturer. We have professional quality control engineers to ensure high quality, zero defect products to our customer. Our professional sale team and competitive price will help customer to finish order in short time. Save Time!
Q;What is package?
A:Standard Export Packing(PVC+waterproof paper +sea-worthy wooden packing).
Q:How about the aluminum coil product delivery time?
A:For color samples , we can offer you within 3 working days.
30 - 45 days for mass production after getting order confirmation and down payment.
Q:What is the payment term?
A :30% T/T deposit, 70% balance T/T or L/C irrevocable payment before shipment.
Q:Can we visit your factory if we go to China?
A:Warmly welcome to visit our factory, we will show you around.
Packaging & Shipping
The packaging and shipping of prepainted aluminum coils are crucial to ensure that the coils arrive at their destination in good condition and are ready for use.Proper packaging and shipping practices help maintain the
quality of prepainted aluminum coils and ensure that they reach their destination in optimal condition.
Standard export packaging, lined with moisture-proof paper, wrapped with waterproof membrane, to ensure that there is no damage during transportation.
Customized packaging can be provided according to customer needs.
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