Wireless charging coils for mobile phones are used to receive the current transmitted by the wireless charging transmitter coil. When the transmitter coil emits current, the receiving coil captures the current transmitted to the charging terminal. Mobile phone wireless charging coils utilize the wireless transmitter coil to transfer electrical energy in the form of electric and magnetic fields between the charger and the device, while the receiving coil and capacitor form resonance between the charger and the device.
The advantages of wireless charging coils for mobile phones are as follows:
Safe for human health: Wireless charging coil technology is harmless to the human body. It uses electromagnetic induction to generate a certain amount of current in the secondary coil, transferring energy from the transmitter to the receiver at the same frequency. Many people have concerns similar to when Wi-Fi and mobile phone antennas first appeared. However, the technology itself is safe.
Versatile application: Mobile phone wireless charging coil systems can be widely applied. In addition to smaller terminal devices such as smartphones, electric vehicles are becoming mainstream, and broader applications are the key.
Lower losses compared to wired chargers: Currently, wireless charging conversion efficiency is not very high. However, with further development, wireless charging can achieve higher conversion efficiency than wired charging. High conversion efficiency and precise radiation range are advantages of wireless charging. It can identify different devices and energy requirements, providing personalized charging and ensuring continuous power supply.
- Utilizes magnetic resonance: Wireless charging coil technology utilizes magnetic resonance to transfer electrical energy in the form of electric and magnetic fields between the charger and the device. From a user’s perspective, the performance of the wireless charging transmitter coil and the wireless charging receiver coil is the same. Both need to coexist to form a wireless charging mode.