Battery Aluminum Foil
What Is Battery Aluminum Foil?
The battery aluminum foil is used as a current collector for lithium ion batteries. In general, the lithium ion battery industry uses rolled aluminum foil as a positive electrode current collector. The thickness of the rolled foil varies from 10 to 50 microns. Commonly used lithium battery pure aluminum foil has 1060, 1050, 1145, 1235 and other alloy grades, such as -O, H14, -H24, -H22, -H18.
Why Choose Us
Our factory
GNEE (Tianjin) Multinational Trade Co., Ltd. has 5 subsidiaries located in Anyang, Tianjin, Hong Kong, Singapore and other countries and regions. The headquarters is located in Anyang City, the hometown of Oracle, the site of the world cultural heritage "Yin Ruins" and one of the eight ancient capitals in China.
Quality control
The company strictly implements the 6S management system and passed the ISO9001 international quality system certification and GJB9001B-2009 national military standard quality management system certification in 2016.
Advanced equipment
Has an advanced factory of more than 35,000 square meters, equipped with advanced production equipment. We use our excellent technology and professional team to ensure the efficiency and quality of the production process.
High demand
We have long-term relationships with customers and distributors from more than 100 countries in Europe, Asia, America and Australia, stable product quality, global exports, reasonable prices, can undertake 3-2000 tons aluminum foil raw material orders, can be reasonable purchase!
24h online service
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.
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Aluminium Foil For BatteryUsage: Air Condition, Food Use, Kitchen Use,read more
Pharmaceutical, Label & Tag, Packaging Foil, Laminated
Type: Roll, Jumbo Roll
Temper: Soft, Half Hard, Hard -
1050 Alloy Aluminum FoilUsage: Refrigerator, Air Condition, Food Use, Kitchen Use, Pharmaceutical, Cableread more
Type: Roll
Temper: Soft
Treatment: Coated
Thickness: Thick Foil
Surface... -
3003 Quality Aluminum FoilProduct Name Aluminum Foil Rollread more
Alloy Grade 1235/1050/3003/8011/8006/8079
Size Customized according to customer needs
Surface Printed/Embossed/Mirror etc -
1235 H18 Lithium Battery Aluminum FoilModel NO. 1235-H18read more
Treatment Plain Aluminum Foil, Plain Foil
Thickness 0.005mm-0.02mm, Single Zero Foil
Surface State Single Light and Double Light Aluminum Foil, Single Light... -
Aluminium Foil Coil 8011Thickness 0.006mm-0.2mmread more
Width 40mm-1650mm
Customrized Size Size can be produced as per clients requirement
Surface Mill finish ,Color coated(PVDF& PE),Stucco... -
200 Micron Aluminium Foil1. Anti-corrosion, corrosion resistant abilityread more
2. Excellent hydrophilic
3. Heat-resisting property, withstand extreme cold.
4. Strong resistance to stamping oil resistance,... -
Aluminum Foil Roll Jumbo 10 MicronBlister Aluminum Foil Pharmaceutical Foil 3003 3004 3105 3005 3030 1199 1235 8011 8021 8079 Aluminum Foil Roll Food Grade Jumbo Roll Aluminium Foil Rollread more
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Two-zero Aluminum FoilIndustry Pharmaceutical Packaging Alu Film 1235 H12 8079 H18 Jumbo Roll Aluminium Film Single Light Food Grade 8011 O Double Zero Aluminum Foilread more
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None Zero Aluminum FoilAluminum foil refers to thin strips of aluminum and aluminum alloys with a thickness of ≤0.2mm. Its hot stamping effect is similar to that of pure silver foil, so it is also called fake silver...read more
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8021 Aluminum Foil8021 aluminum foil is one of the key products of GNEE Aluminum. The thickness range of production is 0.02mm-0.2mm, and the width can be controlled at 100-1600mm according to customer requirements.read more
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Aluminum Foil Alloy 8079 GradeMaterial ALUMINUM ALLOY 8079read more
Standard QQA-1876, ASTM B479
Thickness 0.00018 to 0.064 in
Width 0.375 to 60 in -
Foil Aluminum Roll Jumbo 1235Thickness of aluminum foil to thin rolled back at about 0.05 mm when there will be no roll gap of rolling.read more
Advantages of Battery Aluminum Foil
Lightweight: Aluminum foil is very light, which helps to reduce the overall weight of the battery, especially for mobile devices, electric vehicles and other applications that require light loads.
Relatively low cost: Aluminum foil is a relatively cheap material, which helps to reduce the cost during the manufacturing process of the battery.
Plasticity and ease of processing: Aluminum foil can be easily processed into various shapes to meet the design requirements of different types of batteries.
Reduce the battery internal resistance: Aluminum foil has excellent electrical conductivity, can reduce the resistance of the current in the battery, thereby improving the battery charging and discharging efficiency.
Improve the battery charging and discharging efficiency: Due to the low internal resistance of aluminum foil, the energy loss of the battery during the charging and discharging process is reduced, thereby improving the battery charging and discharging efficiency.
Extend battery life: By optimizing the material and structure of the collector, you can extend the service life of the battery. The stability and corrosion resistance of aluminum foil help maintain battery performance and life.
Types of Battery Aluminum Foil
Plain aluminum foil
This is the basic type of aluminum foil used in batteries. It is typically a high-purity aluminum foil without any additional coatings or treatments. Plain aluminum foil provides good electrical conductivity and mechanical support to the electrodes.
Coated aluminum foil
In some cases, aluminum foil used in batteries may be coated with a thin layer of other materials. For example, a carbon coating may be applied to improve conductivity, enhance the adhesion of active materials, and increase the surface area for electrochemical reactions. Polymer coatings can also be used to enhance chemical stability, prevent oxidation, or provide barrier properties.
Textured or roughened aluminum foil
Texturing or roughening the surface of aluminum foil can increase the available surface area for electrochemical reactions. This type of aluminum foil is commonly used in batteries where maximizing the electrode/electrolyte interface is crucial, such as lithium-ion batteries. The increased surface area facilitates faster ion transport and enhances the battery’s capacity and power output.
Ultra-thin aluminum foil
In some battery applications, ultra-thin aluminum foil is used to reduce the overall weight and thickness of the battery. These foils can have thicknesses in the range of a few micrometers or less. Ultra-thin aluminum foil enables the production of lightweight and flexible batteries, making them suitable for portable devices and applications where space constraints are important.
Laminated aluminum foil
Laminated aluminum foil consists of multiple layers of aluminum foil bonded together with adhesive or other materials. This type of foil is used in certain battery designs where improved mechanical strength and stability are required. Laminated aluminum foil can provide enhanced protection against punctures, tears, or deformation during battery assembly and operation.
Application of Battery Aluminum Foil
Aircraft industry
The market is witnessing significant growth due to the increasing demand for lightweight materials in the aircraft industry. The use of aluminum foil as a cathode current collector in batteries helps reduce the weight of aircraft, thereby decreasing fuel consumption.
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Automobile industry
In batteries, aluminum foil serves as both anode and cathode current collectors, contributing to the enhancement of power density and energy efficiency.
02
Cathode current collector
As a cathode current collector, aluminum foil plays a crucial role in facilitating efficient electron transfer within batteries, ensuring high-performance and durability.
03
Anode current collector
As an anode current collector, aluminum foil contributes to maintaining stability and conductivity in battery operations.
04
Separator
Aluminum foil is utilized as a separator in lithium-ion batteries, ensuring the physical separation between electrodes while allowing for ion conductivity.
05
Process of Battery Aluminum Foil
Raw material preparation: Select high-purity aluminum alloy as the main material, after melting, refining and other treatment, remove impurities and gases, to ensure the purity of raw materials.
Casting: The molten liquid aluminum is poured into the aluminum roll body, and the aluminum billet is formed after cooling by the continuous casting unit. This step requires strict control of the size and shape of the aluminum billet to ensure the smooth progress of subsequent processing.
Rolling: Put the aluminum billet into the rolling mill for continuous rolling, rolling it into a relatively thin aluminum sheet. Rolling pressure and speed need to be adjusted during the rolling process to obtain the ideal thickness and surface quality of aluminum sheet.
Annealing: The rolled aluminum sheet is annealed to eliminate the internal stress and improve the ductility and toughness of the aluminum sheet. Annealing temperature and time need to be adjusted according to the specific material and process requirements.
Pre-shear: Pre-shear the annealed aluminum sheet to make it the right size for subsequent processing.
Surface treatment: The pre-cut aluminum sheet is subjected to a certain surface treatment, such as pickling, alkali washing, etc., to remove impurities such as oxide and oil on the surface, and improve the smoothness and finish of the surface.
Coating: The surface treated aluminum sheet is coated to increase the electrical conductivity and corrosion resistance of the battery aluminum foil. The selection of coating materials and the coating process need to be optimized according to the specific use environment and requirements.
Re-cutting: The coated aluminum sheet is re-cut to make its size and shape more accurate and meet the manufacturing requirements of lithium batteries.
How to Choose a Battery Aluminum Foil

Quality requirements
1.The surface of the aluminum foil is uniform in color, clean, and flat, without obvious roll marks, pitting, pinholes, and corrosion marks;
2.There are no rolling defects such as creases, mottling, bright lines, etc. on the surface of the aluminum foil;
3.There is no color difference on the surface of the aluminum foil;
4.No oil on the surface, no serious oil odor, and no visible oil spots;
5.Surface tension, dyne pen test is not less than 32 dyne.
Appearance requirements
1.The aluminum foil coil is wound tightly, the end surface is flat and clean, and the edge is smooth;
2.The staggered layer of aluminum foil shall not exceed ±1.0mm;
3.The width of the aluminum foil roll tube core is greater than or equal to the foil width, and generally the length of the two ends of the tube core does not exceed the foil width of 5mm;
4.The aluminum foil should be wrapped around the center of the tube core;
5.The joint part has clear joint marks on the two ends of the aluminum coil.

The market is witnessing significant growth due to the increasing demand for lightweight materials in the aircraft industry. The use of aluminum foil as a cathode current collector in batteries helps reduce the weight of aircraft, thereby decreasing fuel consumption. The thin aluminum sheets used in battery manufacturing, with thicknesses ranging from less than 10 um to above 15 um, are essential for high performance in batteries. Aircraft manufacturers are focusing on fuel efficiency and sustainable energy solutions, making the adoption of battery aluminum foil increasingly popular. The material's versatility extends beyond the aviation sector, with applications in electric vehicles, energy storage systems, and various industrial equipment. In the electronics sector, aluminum electrolytic capacitors are widely used in consumer electronics, further fueling the demand for battery aluminum foil. Battery aluminum foil plays a crucial role as a cathode current collector in batteries, providing excellent conductivity and durability. Its use in capacitors also enhances their performance and efficiency. As the world transitions towards sustainable energy solutions, the market is expected to grow steadily, offering significant opportunities for manufacturers and suppliers.
Demand from automobile industry is notably driving market growth. The market is experiencing significant growth due to its increasing utilization in various energy storage applications, particularly in supercapacitors and batteries. In batteries, aluminum foil serves as both anode and cathode current collectors, contributing to the enhancement of power density and energy efficiency.
Moreover, the adoption of battery aluminum foil is not limited to stationary energy storage systems but also extends to portable electronic devices, renewable energy technologies, hybrid vehicles, and electric vehicles. The renewable energy sector, including solar energy and regenerative braking systems, is another significant market for battery aluminum foil. The increasing adoption of renewable energy sources necessitates efficient energy storage systems, and aluminum foil's high performance materials offer a cost-effective and eco-friendly solution. Thus, such factors are driving the growth of the market during the forecast period.
Alternative energy generation is the key trend in the market. Battery aluminum foil plays a significant role in various energy storage applications, including supercapacitors, solar energy, and renewable energy technologies. In supercapacitors, aluminum foil serves as both anode and cathode current collectors, enhancing power density and energy efficiency. For lithium-ion batteries, aluminum foil is used as anode and cathode current collectors in lithium cobalt oxide and lithium iron phosphate batteries.
Moreover, battery aluminum foil is also crucial in battery management systems for electric vehicles and hybrid vehicles, ensuring optimal battery performance. With the growing demand for portable electronic devices and energy storage solutions, the market for battery aluminum foil is expected to expand. The foil's ability to sustain in harsh outdoor environments makes it suitable for use in regenerative braking systems and solar panels. Aluminum foil's thinness, with thicknesses ranging from less than 10 um to above 15 um, makes it a high-performance material for various energy applications. Thus, such trends will shape the growth of the market during the forecast period.
Our Factory
GNEE (Tianjin) Multinational Trade Co.,Ltd is a modern supply chain enterprise with aluminum processing, sales and distribution as its core industries. It was established in 2008. After about 18 years of development, it has customers in more than 100 countries and regions around the world. It has more than 200 employees, a total investment of US$30 million, and a factory area of more than 35,000 square meters. The company specializes in the production of high-quality aluminum products, including aluminum foil, aluminum tubes, aluminum alloy plates, aluminum rods, aluminum coils, etc.



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