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Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in vehicles, power tools, electric toothbrushes, and medical devices.
Although some hydrogen was produced, the amount was minuscule compared to the quantity necessary to run a car for even a few seconds. The show also tested a carburetor that, according to its manufacturer, could improve fuel efficiency to 300 miles per US gallon (0.78 L/100 km). However, the device actually made the car less fuel efficient.
The Level 2 charger which supplied 6.6 kW was the most common version. A higher-power (Level 3) "fast charge" version which supplied 50 kW was demonstrated in 1998. [14] There were two inductive charge paddle sizes, an original large paddle and later small paddle, which were 5 + 1 ⁄ 2 and 4 + 1 ⁄ 4 in (140 and 110 mm) wide, respectively. [15]
The car will only charge at around 1 or 2 kW, which is five times slower than a home wallbox-style charger, and more than 100 times slower than what many electric cars are capable of.
WiTricity has demonstrated wireless charging for consumer products such as laptops, mobile phones, televisions, [31] and solar panel receivers. [32] The company has also shown how the technology can be used to power soldiers' helmets with night-vision goggles wirelessly during Humvee transportation. [ 33 ]
Resonant inductive coupling or magnetic phase synchronous coupling [4] [5] is a phenomenon with inductive coupling in which the coupling becomes stronger when the "secondary" (load-bearing) side of the loosely coupled coil resonates. [5]
Non-contact charging utilizes magnetic resonance to transfer energy in the air between the charger and battery. This achieves a highly efficient energy transformation. [7] As the non-contact charger could keeping charging the vehicle, it allows EVs to have a smaller battery. By itself, it is more economical, safer and more sustainably developed.
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