There are various charging methods for supplying power wirelessly existing.
Below are typical configurations:

1.Inductive Charging

2. Resonant Charging

3. Radio Frequency Charging

4. Capacitive Coupling

5. Microwave Charging

6. Laser Charging

I have listed their main differences from principles, charging distance, charging power, frequency range, charging efficiency, advantages, limitations, which will help to know more about them.