Nissan's plug-free electric car
Nissan has developed a revolutionary plug-free technology that it claims will make charging electric cars easier and faster. The wireless charging system is based on the concept of inductive charging, the same electromagnetic field technology used to charge an electric toothbrush. Nissan has scaled it up for use in their Zero Emission Vehicle (ZEV) electric car, which can charge in a compatible parking bay without the need for wires. Today's electric car owners, by contrast, have to carry a mains plug aboard to recharge.
electric power is supplied via magnetic induction from a primary power-supply coil in the parking surface to a secondary coil on the vehicle. when the primary coil is electrically charged, it generates a magnetic field that induces current in the secondary coil, and so charges the batteries with no wired connection
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