How important is a battery pack for a new energy vehicle?
For new energy vehicles, the key component that affects vehicle safety is the battery pack. As the carrier of the battery, the importance of the battery pack cannot be underestimated. The strength, rigidity, heat dissipation and waterproof of the battery pack body should meet high design requirements (Feng and Hu, 2020).
What is a power battery pack?
The power battery pack provides energy for the whole vehicle, and the battery module is protected by the outer casing. The battery pack is generally fixed at the bottom of the car, below the passenger compartment, by means of bolt connections. The safety of the power battery pack is one of the important indicators to measure the safety of BEVs.
Should the new energy vehicles industry pay more attention to battery pack structures?
Comparing with traditional vehicles, the new energy vehicles industry should pay more attention to safety of power battery pack structures. The battery pack is an important barrier to protect the internal batteries.
How is the battery pack of a new energy vehicle simulated?
In this paper, the battery pack of a new energy vehicle is studied, modeled and simulated by the finite element method. Hypermesh, ANSYS and other simulation analysis software are used to analyze the static strength and dynamic modal properties.
How does a battery pack work?
The power battery pack of the target vehicle is connected with the structural bolts of the vehicle chassis through the lifting lugs welded on the lower box of the battery pack. The battery pack box of the target vehicle is arranged under the chassis, below the floor of the passenger compartment, disassembled from the electric vehicle.
What is a battery pack box structure?
The power battery is the only source of power for battery electric vehicles, and the safety of the battery pack box structure provides an important guarantee for the safe driving of battery electric vehicles. The battery pack box structure shall be of good shock resistance, impact resistance, and durability.
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GB/T 33824-2017 (2017). Aluminum and aluminum alloys plates, sheets and strips for cans and caps of new energy power batteries. China Nonferrous Metals Industry Association. GB/T 31467.3-2015 (2017). Lithium-ion power battery packs and systems for electric vehicles Part 3: Safety requirements and test methods. Gibson, L. J. and Ashby, M. F. (1997).
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