New Energy Vehicle Power Battery Aluminum Material

The development trend of new energy vehicles is becoming increasingly fierce, and the power battery market is also exceptionally hot. Aluminum alloy is a commonly used material for power batteries, and there is an urgent need to focus on research, development, and upgrading of products and alloy materials.

At present, the conventional aluminum alloys used in power batteries mainly include 1-series, 3-series, 5-series, and 6-series. Among them, Series 1 mainly includes aluminum foil and is mainly used for power battery connectors. The 3 series mainly includes aluminum coils and plates, which are widely used in various fields, including power battery shells, power battery partitions, and power battery cover plates. The 5 series and 6 series have relatively few applications, mainly used for power battery partitions/side panels, and power battery trays.

Why choose Chalco?

Chalco Aluminum has passed the requirements of the automotive IATF16949 standard audited by BSI (British Standards Institution), providing quality compliance for continuously expanding the automotive product market and achieving high-quality development.

Chalco has a complete set of advanced new energy vehicle research and development, testing and analysis instruments, which guarantee the efficiency of new product research and development and accelerate the transformation of scientific and technological achievements. In addition, our R&D & innovation and verification capabilities can help enhance customers' competitiveness by saving time and cost in new product development and marketing.

Chalco Aluminum serves Tesla, Ford, Shanghai Automobile, Weilai Automobile, Beiqi New Energy, Changan Automobile and other famous new energy automobile manufacturers. Some models of automotive plate material certification.

Components of new energy vehicle power battery pack and application of aluminum materials

Battery module: the basic unit used for storing and releasing energy. The parts that may use aluminum alloy materials include battery covers, heat dissipation fins, etc.

Battery Management System (BMS): a system used to monitor, control, and protect batteries. The parts that may use aluminum alloy materials in BMS include power battery shells, heat sinks, etc.

Cooling system: a system used to control battery temperature to improve battery performance and lifespan. The parts that may use aluminum alloy materials in the cooling system include power battery water cooling plates, heat sinks, etc.

Battery pack shell: the external shell used to secure and protect the battery module. The parts that may use aluminum alloy materials include power battery casing wall panels, brackets, etc.

Connector: a component used to connect battery modules and other components. The parts that may use aluminum alloy materials include connecting plates, conductive strips, etc.

Insulation material: used to ensure electrical insulation between various components inside the battery, avoiding short circuits or leakage. Aluminum foil may be used as an isolation material between battery modules in the insulation system.

Sealing material: used to ensure the sealing of the battery pack and prevent external moisture and pollutants from entering the interior of the battery. Aluminum foil or aluminum alloy material layers may be used as shielding or sealing materials in the sealing system of battery packs.

Current collector: used to collect and transmit the current in the battery module. In current collection systems, current collection plates, conductive strips, etc. made of aluminum materials may be used.

Chalco new energy power battery aluminum material recommendation

Power battery shell-1050 3003 3005 hot-rolled aluminum coil plate

The new energy power battery shells on the market are mainly square in shape, usually made of 3003 aluminum alloy using hot rolled deep drawing process. Depending on the design requirements of the power battery, the thickness and width can be customized. The chalco hot rolling process produces aluminum coils with higher elongation, more stable performance, and higher yield.

The specific specifications and parameters are as follows:

Power battery tray-6061 aluminum plate

The material of the power battery casing is generally made of aluminum casing, because the aluminum casing has excellent lightweight structure, good thermal conductivity, and is safer and more durable.

Chalco's production of power battery aluminum trays mostly uses 6-series 6061 aluminum plate as the raw material for battery aluminum trays, which can meet the characteristics of high precision, corrosion resistance, high temperature resistance, and impact resistance to protect the battery core.

The specific specifications and parameters are as follows:

Power battery cover plate-3003/5182 aluminum plate

The battery cover and battery case have a significant impact on the safe use of power batteries, directly affecting the range, safety, service life, charging time, and high and low temperature adaptability of new energy vehicles. The requirements for manufacturing materials and production processes are very strict.

The power battery cover plate produced by Chalco generally uses 3003-H14 aluminum plate. 3003 belongs to aluminum manganese alloy, with the main alloy element being manganese, which is easy to process and form, high temperature corrosion resistance, good heat transfer and conductivity. Moreover, with low density and light weight, it meets the processing requirements for power battery cover plates.

Power battery side panel/partition-5083 aluminum plate

The power battery is the core component of new energy vehicles, and the power battery shell and battery side panel play a certain protective role on the internal battery. The main function of the power battery separator in the battery is to prevent short circuits between the positive and negative plates, and to prevent damage to the positive and negative plates due to vibration.

The power battery side panels produced by Chalco generally use 5083 aluminum plates, which have low density, light weight, high strength, excellent processability, high temperature corrosion resistance, and good application effects.

The specific specifications and parameters are as follows:

Power battery water cooling plate-3003 3003mod/4343 brazed aluminum coil plate

Liquid cooling has the characteristics of fast cooling speed, large specific capacity, and high heat transfer coefficient, gradually becoming the cooling method for mainstream batteries (such as Kirin batteries). water cooling plate are key components of liquid cooling. Chalco has developed a brazing pre composite production process for water cooled panels, which can currently be customized to produce aluminum coils for water cooled panels.

The specific specifications and parameters are as follows:

Power battery soft connection-1060 aluminum foil

The battery aluminum foil soft connection is mainly used for flexible conductive connection inside or outside the battery module, which plays the role of current transmission of the battery pack and ensures the normal operation of the battery pack.

Chalco's 1060 aluminum foil monolithic pure aluminum contains more than 99.6% of aluminum. It has simple composition ratio, excellent electrical conductivity, high cost performance, good fusion during loose welding, no burrs, smooth surface, no oxidation, no delamination, and easy to weld. firm. And it has a good flexible conductive effect, which can eliminate the poor electrical conductivity of the battery pack caused by the loosening of the fasteners due to vibration during the running of the car.

The specific specifications are as follows:

Power battery electrode ear material-1050/1060 aluminum foil

The electrode ear is the carrier for energy transfer between the battery and the outside world, so increasing the conductivity of the electrode ear during high rate discharge can effectively improve the rate discharge performance of the battery in the early stage of discharge.

The electrode ear material produced by Chalco is generally made of pure aluminum foil with a purity greater than 99.9%, which has high conductivity. The positive electrode ear of lithium-ion batteries uses 1050 or 1060 aluminum electrode ears, with a conductivity of 369000 S/cm, which can effectively improve the rate discharge performance of the battery.

The specific specifications and parameters are as follows:

Aluminum plastic film for power pack batteries-8021/8079 aluminum foil

In the three-layer structure of aluminum plastic composite film, aluminum foil serves as the intermediate layer, mainly to prevent the infiltration of external water vapor into the battery and prevent the leakage of internal electrolyte.

Chalco's 8021 8079 aluminum foil has extremely high barrier properties, good cold stamping formability, puncture resistance, and stability, making it a widely used type of aluminum plastic film for soft packaging of power batteries.

The specific specifications and parameters are as follows: