Aluminum profile for battery tray

The primary problem for the battery tray is the material, which must not only have excellent comprehensive performance, but also have an acceptable and reasonable price. Under the current conditions, aluminum profile for battery tray is the most desirable, which is superior to steel and carbon fiber reinforced plastic matrix composites.

Almost all original vehicle equipment manufacturing companies use aluminum profile for battery tray to manufacture battery trays, such as BMW, Audi group, Volvo, etc. At the same time, some companies are very interested in the all aluminum sliding plate battery tray made of extruded aluminum by Tesla and follow suit, such as the I20 EVs tray of BMW, the e-tron electric vehicle tray of Audi, the E-Series electric vehicle tray of Daimler, etc. Audi's original pallet was made of die-casting aluminum alloy parts, but now it has changed to extruded aluminum. At the same time, its BEVS and PHEVs electric vehicle battery trays are also made of extruded aluminum.

It is worth noting that some enterprises that used to make pallets with steel now also use aluminum profile for battery tray

Yes. For example, Nissan's leaf EV electric vehicle used to make battery trays from steel, but in 2018, it changed to extruded aluminum; Volkswagen has always been fond of steel battery tray, but its new Bev electric vehicle battery tray also conforms to this development trend and is replaced by extruded aluminum; Akler Mittal had decided to use high-strength steel to make the body structure of Tesla Model 3. Later, it was found that the connection between the steel body and the aluminum battery tray did not match, so it was changed to aluminum alloy body.

In 2018, the Brunel Advanced Solidification Technology Center of kenlian Aluminum Co., Ltd. invented a new tray design called "cold aluminum", which has strong cooling efficiency for the battery pack. With this design, friction stir welding connection is no longer needed. The test shows that the cooling plate is tightly connected without leakage, and the connection is simple and fast. In the test of mixed cooling method, a very satisfactory cooling effect is obtained, and the temperature deviation is only ± 2 ℃. Therefore, the service life of the battery pack is prolonged and the safety performance is improved. Some parts of the tray are made of extruded and bent aluminum without drilling or welding. The quality of the newly designed tray has decreased by 15%.