In-Road Wireless Electric Vehicle Charging Breakthrough Yields 90% Efficiency

Utah State University researchers have made a breakthrough in the quest to make in-road electric vehicle chargers practical for the real world, managing to wirelessly transmit 5 kilowatts of electricity across a 10-inch gap with 90% efficiency. That’s huge for a technology that has struggled to gain traction because of inefficiencies and difficulties bridging enough of a gap to make inductive chargers useful in highways, where chargers are a significant distance away from car batteries and need to deliver large amounts of electricity in a short period of time.

(more…)

Share

by Timon Singh

The UK is gearing up for a green transportation revolution as the first wireless electric car charger was recently launched in London. The IPT (Induction Power Transfer) is the world’s first commercially-available wireless electric car charging system, and is the flagship product of recent start-up company HaloIPT. The company’s unique charging system has been described as the safest, most efficient and most effective way to transfer power without wires.

The company is planning to electrify parts of England’s M25 motorway by using magnetic induction, a principle that was first discovered in the 1800s. The Inductive Power Transfer system allows a car fitted with a simple integrated receiver pad to be charged automatically when parked or driven on roads with HaloIPT’s special charging pads beneath their surface. If major road routes such as the M25 are ‘electrified’, then it will greatly increase the range and the appeal of electric vehicles.

The IPT is designed to be compatible with all vehicles (including eBikes and heavy goods vehicles), and it has been designed to function under any weather conditions — even if the driver doesn’t align the car properly with the pads embedded in the asphalt. The system was tested by HaloIPT on a Citroen C1, named Evie, to see the charging performance of the IPT. It took six hours to fully charge Evie from 20 percent capacity, with the energy sourced from a regular household socket. The company also says their system can charge even at distances of up to 40 centimeters.

“We’re using IPT to break down the barriers to mass-market adoption of electric cars,” says HaloIPT’s CEO, Anthony Thomson. “Keeping electric vehicle costs down is a key priority for us.”

 

Source: inhabitat

 

 

Share