An electric bus that charges its batteries while driving (rather than
while sitting idle in a charging station) is no longer science fiction.
Researchers
at Korea’s Advanced Institute of Science and Technology (KAIST)
recently constructed a seven and a half mile stretch of asphalt roadway
in the city of Gumi in South Korea with specialized electric cables
designed to power batteries on a moving passenger bus.
The first of it’s kind technology doesn’t need the vehicles to stop at a point to charge.
The
bus’s batteries are equipped with a novel technology called “Shaped
Magnetic Field In Resonance” that sends electromagnetic fields created
by the electric cables buried in the asphalt to the bus but not normal
cars.
The technology recognizes vehicles capable of accepting the electric charge and those that cannot.
A
coil in the battery can turn the electromagnetic fields into
electricity at a distance of more than half a foot above the road.
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