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SMFIR allows for charging in motion – The Tartan Online

With a constant demand for cleaner energy sources as technology advances, one alternative that has been receiving a lot of attention in recent years is electric cars. It has been a goal among many researchers to cut the cost of batteries in electric cars so that the vehicles can become a competitive alternative to the traditional engine-operated cars.

In 2010, researchers at the Korea Advanced Institute of Science and Technology (KAIST) developed a wireless charging technology called Shaped Magnetic Field in Resonance (SMFIR). This new method of charging is compatible with online electric vehicles (OLEVs) and could allow electric cars to collect electricity from a road-embedded charging system, making electric cars a much more viable form of transportation.

In his 2011 paper titled “Application of SMFIR Technology to Future Urban Transportation,” professor of the Graduate School for Green Transportation at KAIST In-Soo Suh states that “SMFIR technology enables the electric vehicle to be charged while the vehicle is in motion” as opposed to being charged from traditional charging stations. Power cables embedded in the road create magnetic fluxes, which can be collected by OLEVs to fuel them.



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