As the power resource of an electric vehicle (EV) is different from the traditional internal combustion engine vehicle, the overall design thinking on the chassis for EV must transcend the design mode for traditional internal combustion engine vehicles. The main power source of the EV is the battery module attached to the drive motor; hence, this study proposed a new kind of thinking that assumed the chassis for EV as the motherboard of a computer, the battery module as the DRAM, and the driver motor as the CPU. Then, on the basis of the common chassis, consumers can choose to flexibly equip different quantities of battery packs and/or different motor power according to their needs for travel distance and/or vehicle performance, thus achieving the performance of car models ranging from City Car to Sedan or even SUV. This study is carried out based on the chassis with the wheel base being 2600mm, curb weight 1400kg and battery pack space of 220 liter. The planned battery module volume of the battery space is 18kWh - 36kWh (aggregated by standard battery modules of 6kWh each); while the planned dynamic module power of the engine bay is 50kW-150kW, as shown in Figure 4, by means of which the flexible matching of the batteries and the power modules were investigated to examine the feasibility of achieving car types with different performance demands.
Flexible matching design analysis of the battery and power module for electric vehicles
EVS, Electric Vehicle Symposium, 26 ; 374-381
2012
8 Seiten, 7 Bilder, 8 Tabellen, 9 Quellen
Aufsatz (Konferenz)
Englisch
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