Hi,
See the research papers on wireless power transfer here
https://www.engpaper.com/research-paper-wireless-technology-wireless-power-transfer.htm
it included papers
Wireless power transfer using resonant inductive coupling for 3D integrated ICs
Wireless Power Transfer System via Magnetic Resonant Coupling at Restricted Frequency Range
Wireless Power Transfer Using One-Dimensional Free Access Mat
Miniaturised drug delivery system with wireless power transfer and communication
Metamaterial-enhanced coupling between magnetic dipoles for efficient wireless power transfer
Basic study of improving efficiency of wireless power transfer via magnetic resonance coupling based on impedance matching
Maximum transmitting efficiency of wireless power transfer system with resonant/non-resonant transmitting/receiving elements
Wireless inductive transfer of power and data
Implementation of wireless power transfer and communications for an implantable ocular drug delivery system
Study on open and short end helical antennas with capacitor in series of wireless power transferusing magnetic resonant couplings
Implementation of a wireless power transfer and communications system for an implantable drug delivery system
Numerical analysis on transmission efficiency of evanescent resonant coupling wireless power transfer system
Fundamental aspects of near-field coupling small antennas for wireless power transfer
Basic experimental study on helical antennas of wireless power transfer for Electric Vehicles by using magnetic resonant couplings
Analysis, Experimental Results, and Range Adaptation of Magnetically Coupled Resonators for Wireless Power Transfer
Stabilizing the operating frequency of a resonant converter for wireless power transfer to implantable biomedical sensors
Planar rectennas for 2.45 GHz wireless power transfer
Development of a miniaturised drug delivery system with wireless power transfer and communication
Wireless power transfer via strongly coupled magnetic resonances
Guru