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There are two major obstacles hindering the popularity of electric vehicles: charging time is too long and driving distance is too short. To this end, Korean scientists have come up with the idea of ​​real-time power transmission from the ground to the car through electromagnetic induction. Now, Masahiro Hanazawa from the Toyota Center Research Laboratory and Takashi Ohira from Toyohashi University of Technology have developed a safer charging method that relies on radio frequency (RF) to charge the car.
It is understood that Hanazawa and Ohira two researchers installed RF power in the metal track below the ground, and installed a steel strip inside the car tire. When the electric car is driving on such a road, the metal track and the steel belt A capacitor is generated between them, and the power can be obtained from the power source below the ground.
Japan develops electric vehicles powered by RF
It is reported that the prototype car successfully completed the driving at 52MHz RF. The energy efficiency in this mode is as high as 75%. The two researchers believe that this technology will greatly enhance the cruising mileage of electric vehicles in the future. In theory, electric vehicles driven by real-time will continue to travel, and the required battery capacity is much smaller than what is currently used.
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