“…Wireless power transfer (WPT) systems have become a convenient technology for many applications as the cordless solution, which prevents trip hazards and increases mobility for various devices, such as vacuum cleaners, electric toothbrushes, smartwatches, and kitchen appliances [1][2][3][4]. For some medical implants, sensors, and pacemakers, WPT offers safe charging without any physical contact or the necessity of going under surgery [5][6][7][8][9].…”