On demand of a sustainable, green, and low-carbon economy development, there is a worldwide stimulation
on the progress of Electric Vehicle (EV) industry. The wireless charging technique, embodying advantages of convenience,
safety and low-maintenance, has been gaining interests from both the academia and industrial community. It is promising to
be the future trend for the EV charging technology. And the magnetic coupler which enables wireless charging is the most
essential part in a wireless charging system. In this paper, the latest research progress in the development of EV oriented
wireless charging system, especially the magnetic coupler, which is the most important unit, was reviewed internationally.
Besides, the pioneering deployments and commercializing trial of the wireless charging system using EV was highlighted
as well. At last, challenges to be addressed and perfections to be made in the near future on the magnetic coupler were