Systematic analysis of advanced wireless charging technology for electric vehicles

Abstract

With the development of electronic technology, more and more electronic devices in life are converted from wireless to wired. Electric toothbrushes, mobile phones around, and new energy vehicles on the road have all changed from traditional wired charging to wireless charging. Traditional charging methods have many disadvantages. Some of them may be mechanically aged, some may leak electricity, and some take up space. But wireless charging can optimize most problems. And it has higher safety and functionality. This paper expends on Capacitive Power Transfer (CPT), Microwave Power Transfer(MPT), Electromagnetic induction that the three mainstream wireless charging methods. The article introduces the working principles of the three wireless charging methods and their respective advantages and disadvantages. And through comparison, to provide a strategy for the method of choosing a wireless charging method.