Novel sustainable magnetic material to improve the wireless charging of a lightweight drone.

Unmanned aerial vehicles are clear candidates to benefit from wireless power transfer, as it can facilitate their charging process and even allow them to charge autonomously. One common approach when designing a wireless power transfer (WPT) system is to incorporate ferromagnetic material to guide the magnetic field and improve system efficiency. However, a complex optimization calculation must be carried out to determine the positions and size of the ferromagnetic material and thereby restrict the additional weight imposed.