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Feature Article

Published by IEEE Spectrum - featuring TEC member Burak Ozpineci

Oak Ridge Inches Closer to 15-Minute Wireless EV Charging

But the team must further scale their 120-kilowatt wireless charging system for electric vehicles in order to meet the U.S. Department of Energy’s goal

ORNL researchers used computer simulations to design coils that generate the magnetic field required for wireless power transfer.

Photo: Genevieve Martin/Oak Ridge National Laboratory/U.S. Department of Energy

By Mark Anderson

Scientists at Oak Ridge National Laboratory in Tennessee have developed wireless charging technology that they say could fill up a typical electric car today in under an hour. This represents a six-fold improvement over a similar wireless charging system they announced in 2016. That plugless EV charging technology, they report, is now being modified for commercial applications including delivery trucks.

To read the complete article click here.

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Upcoming Webinar:

120 kW High-Power Wireless Charging System Development
Presented by Veda Galigekere, Jason Pries and Omer Onar from
Oak Ridge National Laboratory
Tuesday, February 26, 2019, 1:00pm

Abstract:  This webinar focuses on a 120 kW wireless power transfer system developed at the Oak Ridge National Laboratory. This system can charge a 100 kWh battery pack from 20 to 80% state-of-charge in 30 minutes, which can bring the EV charging process closer to the fuel pumps at the gas stations. The webinar introduces the state-of-the art literature review on high-power wireless charging systems and details the design and development of the power electronics and electromagnetic coupling coils with their finite element analysis (FEA) based models. Design details and parameters of the system will be covered along with the experimental performance analysis of the system including the stage-by-stage power flow and efficiency of the system.   Read more.


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