In the electrified society for decarbonization, it is important to solve conflicting technical issues such as increasing the cruising range and shortening the charging time as EVs spread. In order to extend the cruising range, it is necessary to mount a large-capacity battery and the smaller and lighter equipment, it is also necessary to have a large amount of infrastructure for rapid charging. This paper describes the progress of higher performance of devices and the direction of EV drive systems in the future.
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