Abstract
Three ferrite component structures are presented and incorporated into the planar magnetically coupled resonance (MCR) wireless power transfer (WPT) systems in this paper. They are then employed to build two WPT systems which are simulated and tested. The ferrite core and ferrite plate being introduced improve the transmission efficiency by 16.2%. The ferrite plate and ferrite sheet effectively mitigate the magnetic leakage and restore the transmission efficiency when metal object placed in proximity of the receiver. Our results show that the proposed ferrite configurations can benefit the planar WPT systems for small electronic devices.
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