WIRELESS RECEIVING DEVICE, WIRELESS CHARGING SYSTEM, WIRELESS CHARGING METHOD

A wireless receiving device, a wireless charging system and a wireless charging method are provided. The device includes a plurality of receiving coils coupled with a transmitting coil respectively, and configured to receive wireless charging signals transmitted from the transmitting coil respectively; and a plurality of wireless receiving-processing circuits configured to perform a voltage and/or current process for the wireless charging signals received by the receiving coils, to charge a battery. A terminal of each of the wireless receiving-processing circuits is connected to a corresponding one of the receiving coils, and another terminal of each of the wireless receiving-processing circuits is connected to the battery. Since the wireless receiving device includes a plurality of receiving coils and a plurality of wireless receiving-processing circuits, a charging speed and a charging efficiency of wireless charging may be improved.