No more power cord Volvo hails charging change

Volvo Car Group completes successful study of cordless charging for electric cars.
Volvo Car Group completes successful study of cordless charging for electric cars.

Inductive charging means an electric car be powered up in the same way as an electric toothbrush.

Volvo Car Group has been a partner in an advanced research project that has studied the possibilities of inductive charging for electric vehicles.

It says the results show the technology for transferring energy via an electromagnetic field has a promising future.

Inductive charging uses an electromagnetic field instead of a cord to transfer energy between two objects.

An induction coil creates an alternating electromagnetic field from a charging base station.

A second coil in the portable device picks up power from the electromagnetic field and converts it back into an electrical energy that charges the battery.

This technology is common in home appliances such as electric toothbrushes but is not yet commercially available to charge electric cars.

"Inductive charging has great potential. Cordless technology is a comfortable and effective way to conveniently transfer energy. The study also indicates that it is safe," says Volvo Car Group's vice-president of electric propulsion systems, Lennart Stegland.

"There is not yet any common standard for inductive charging. We will continue our research and evaluate the feasibility of the technology in our hybrid and electric car projects."

Volvo Car Group completes successful study of cordless charging for electric cars.
Volvo Car Group completes successful study of cordless charging for electric cars.

The completed research project, which included inductive charging for cars and buses, was initiated by Flanders' Drive, the knowledge centre of the automotive industry in the Flanders region in Belgium.

It involved a consortium of companies, including Volvo, Bombardier Transportation and the coachbuilder Van Hool.

The project was partly funded by the Flemish government. Volvo supplied the car for the inductive charging project, a Volvo C30 Electric.

"The tests demonstrated that our Volvo C30 Electric can be fully charged without a power cable in about 2 hours," Stegland said.

" In parallel with this, we have also conducted research into slow and regular charging together with Inverto, which was also a partner in the project."

- NZ Herald

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