Recent innovations in wireless charging for electric vehicles could mean losing the need for batteries altogether. No, really.
While modern Teslas are working on new wireless recharging, particularly for electric vehicles in urban areas, one Swedish project is testing a system designed to power EVs along the highway. The method, developed by the Volvo Group and the Swedish power company Alstom with support from the Swedish Energy Agency, would involve putting two power lines directly into the road. As vehicles pass over, they'd continuously be supplied with electricity.
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The Volvo Group constructed a quarter-mile track embedded with cables last year at its Hällered testing facility in Sweden. The test truck being used contains a current collector that comes into contact with the power lines. As it moves over them, 750 V of direct current is delivered and routed to a water-cooled heating element, Gizmag's Paul Ridden reported.
To ensure safety, a section of the power line can only be live when a truck passes right over it, the Volvo Group said in a description of the testing. For now, the company is using a diesel engine Volvo FH12 truck on the track but they have plans to try out an electric motor one in the future.