Wireless ecar charger makes debut Technology & Science CBC News

21 Фев 2014 | Author: | Комментарии к записи Wireless ecar charger makes debut Technology & Science CBC News отключены
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HaloIPT burying chargers under could make smaller batteries practical. Larger are heavy and very expensive, but batteries limit the range of the car too ((Associated Press))

Electric could soon charge and automatically as they park — or drive — over wireless

London-based HaloIPT is demonstrating its technology on a Citroën Ev’ie car at the World Electric Vehicle in Shenzhen, China, which opened It first launched the system a earlier.

Power is transmitted from a pad under a road or parking to a special receiver pad in the floor of the using a technology called power transfer. The charging is similar to that of plug-in a company spokesman said.

In a the company said the charger is to work even when under asphalt, submerged in or covered in ice and snow. In the future, the hopes chargers can be embedded in so cars can charge during drive.


That could make batteries practical, the company and solve the major problems currently prevent e-cars being commercially popular — batteries are heavy and very but smaller batteries limit the of the car too much.

Inductive power transfer using a device called an coil that converts current into an electromagnetic

Another induction coil in a converts the field back current that can charge the The transmitter and receiver are both to a specific frequency in order to together, so they are unlikely to with other electronic a company spokesman said.

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The is already commercially available companies such as to charge devices such as cellphones and MP3

Until now, however, the and receivers had to be too close together and too aligned to be practical for electric-car

HaloIPT says its system a maximum height of 40 centimetres the charger and receiver, so it is suitable for use with SUVs. It can be misaligned by up to 25 centimetres, so the driver doesn’t to park perfectly over the pad.

The company plans to build a demonstration of the technology by 2012.

companies, such as Watertown, WiTricity are working on similar WiTricity estimated its charging could be available in 2014 or models of electric cars.

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