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This paper describes the use of magnetic shielding materials for improving wireless power transfer (WPT) systems efficiency by increasing the inductance of printed circuit boards (PCB) inductors. Two off-the-shelf materials are compared with a specially-made ferromagnetic disc and the inductance and quality factor results are discussed.
Wireless power transfer (WPT) is studied for battery charging in the IoT world. WPT via electric coupling is studied for apparatuses in water using the effect of large dielectric constant of water. One electrode is isolated from water and another electrode is exposed in water for underwater WPT. The power transfer efficiency is over 75%.
This paper describes the use of WEBENCH Coil Designer for generating wireless power transfer PCB inductors for low and medium power portable systems without the need of complex calculations or complex layout design.
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