Design process of electric vehicle battery system
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2023
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Battery Electric Vehicle (BEV) is a major trend among car manufacturers around the world. The battery system is the most important and expensive component providing energy for BEV operation. This paper presents the design and simulation process of the BEV battery system based on the Siemens Simcenter software. This process includes designing and simulating the battery cell, battery packs, and battery system, including calculating the features and the thermal management system to help maintain a stable temperature. This will help improve the output efficiency, charging and discharging efficiency, performance, stability, and safety of the battery system on BEV and is used to evaluate the overall battery system. Furthermore, a complete battery system designed by this process will be connected to a vehicle dynamics model to evaluate performance under specific operating conditions. Based on this process, the designer can optimally incorporate the battery system into the overall design of the BEV.