Wireless EV charging on the way?

Published:  06 December, 2021

With recent studies showing that the ratio of plug-in vehicles to each public charge point has become worse in the UK in the last year as EV sales have out-paced infrastructure investment, a team of engineers at DENSO’s Electrification Systems Engineering Division are working towards a way to charge EVs while they are on the move.

As was previously reported in Aftermarket, a recent SMMT study found the ratio of vehicle chargepoints to plug-in cars dropped by 31% during 2020, as the growth in sales was not being matched by an equal expansion of on-street charging.

However, according to Denso Pan European Strategic Marketing Manager Fatiha Laauich, the issue could become moot: “Wireless power transfer technology is already widely used to charge devices such as smartphones and electric toothbrushes. By applying it to the world of electric mobility, EV batteries will be able to be charged on the move, or more precisely, when the vehicle comes to a stop during a journey, which will enable EVs to keep running without stopping to charge.

“With this development, not only does driving an EV have a less harmful impact on the environment, it also avoids competition to find and use, often for lengthy period, a public charging point, and provides an advantage that is just not possible with a traditionally fuelled vehicle. Although the concept would be able to operate wherever the technology is integrated into the infrastructure, it really comes into its own when city driving, where in busy areas many vehicles spend half the time sitting at red lights or at rest due to congestion.

“Although sophisticated control systems are required to develop this type of technology, DENSO is a major supplier of control technology and possesses deep knowledge and considerable experience in the field of mobility-product control technologies, to enable it to build systems that effectively coordinate mobility with infrastructure to harmonise the complex mechanisms as one system.”

DENSO has been undertaking demonstration testing in collaboration with industry and academia based on an open innovation approach. From 2022, the company will look to start the social experiment. Around 2025, the company intends to begin practical applications of the technology in compact mobility systems inside DENSO’s plants.

Fatiha added: “Through development of this technology, DENSO will continue striving to achieve seamless interconnection of infrastructure and mobility to deliver a better future for people everywhere, and a better future for the planet.”

For more information, visit: www.denso.com/global/en/news/stories/all/210610-01/ev-battery/

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