How Does the Wireless Charger Work?

As a Wireless Charger Factory, share with you.

Electromagnetic induction

This is the most common working method of wireless chargers. It uses the principle of electromagnetic induction to generate electric current through electromagnetic induction between the primary and secondary coils, so as to realize the transmission of energy within the space; this kind of wireless charger.

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Radio wave

Radio waves are a relatively mature wireless charging method for wireless chargers at this stage. Its working principle is to use miniature and efficient receiving circuits to capture radio waves in space, and then convert electromagnetic energy into stable electrical energy. There are already companies claiming that they can wirelessly charge electronic devices that are smaller than a cellular phone a few meters away.

Electromagnetic resonance

This is a wireless charging technology that is still in the research and development stage. This technology is mainly researched by a team led by a professor of physics at the Massachusetts Institute of Technology. Intel’s engineers use this technology as a basis to achieve a distance of about 1% from the power supply. A 60-watt bulb is lit up about a meter away, and it has a transmission efficiency of 75%. Intel engineers stated that the next goal will be to use this wireless charging technology to charge modified laptops. However, in order to achieve this goal, it is also necessary to solve the interference and influence of electromagnetic fields on other components in the computer.

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