Asymmetry in wireless power transfer using superconductors

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  Wireless power transfer (WPT) is of increasing interest today,owing to the applications such as wireless powering sensor networks,biological miniature implants and vehicles.Keys to these applications are enough efficiencies and distances,which have been achieved by utilizing near field magnetic coupling between two identical resonators.WPT using high temperature superconducting (HTS) coils has been demonstrated of higher power transfer efficiencies and longer transmission distances.
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