Recent research on wireless power transfer (WPT) using resonant inductive coupling has demonstrated very promising efficiencies (above 80%)  at large distances compared to the antenna dimensions (more than three times the receiver/transmitter diameters).
Due to the number of applications that could benefit from WPT: from electric vehicles to sensor networks, commercial electronic devices, health equipment, biomedical implants, in-space systems and so on, the
development and optimization of this technology is of great interest. Since RIC is still a very novel technology, different models should be proposed to analyze and
predict the behavior of these systems and to increase the overall efficiencies and transmission ranges.
CitationBou, E. Resonant inductive coupling wireless power transfer. A: Barcelona Forum on Ph.D. Research in Information and Communication Technology. "Proceedings of the 2012 Barcelona Forum on Ph.D. Research in Communication and Information Technologies: October 15th, 2012: Universitat Politècnica de Catalunya, Barcelona, Spain". Barcelona: Edicions UPC, 2012, p. 11-12.
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