A Further View Of One Of The Reasons Why Tesla Is Not Going Wireless

By: Juan Carlos Zuleta *

There has been a great deal of discussion in the comment stream created around my latest article entitled “ Battery Recharging: Why Is Tesla Not Going Wireless? ” published a few days ago on Seeking Alpha about inefficiency as a fundamental drawback of wireless EV charging.  Some commentators have tried to give the impression that this is indeed an unsurmountable issue which makes wireless charging as applied to electric cars essentially meaningless.

Source: USDOE

While I can’t at this point put forward any technical arguments against this kind of reasoning, a task to be taken up in another contribution, I’d like to refer here to actual work being performed right now by Mojo Mobility and Hyundai-Kia America in this direction. 
In effect, in a recent article originally published on GAS2 , it’s shown that these companies are talking about wireless fast charging – a similar concept to that I suggested almost two years ago in a blog posted on evworld.com  – which could be used by taxi and bus drivers, as well as impatient motorists who have difficulties  remembering to plug in.

What comes as a surprise to me is that as of now two out of three planned phases of the partnership would have already been completed. In Phase One, Mojo Mobility and Hyundai-Kia America developed a wireless power transfer system with more than 85% grid-to-vehicle efficiency “capable of transferring in excess of 10kW to the vehicle for fast charging”, allowing for “misalignment between the energy transmitter on the ground and the energy receiver on the vehicle”, to facilitate day-to-day usage. 
In Phase Two, the association “collaborated to integrate a compact system optimized for the Soul EV and demonstrate full operation at a record 92 percent efficiency.”

Finally, in the Third Phase, real-world performance data of five Kia Soul EV will be gathered to “test systems’ durability, interoperability, safety, and performance.” 

Overall, this news provides additional support to my contention that wireless charging companies “will soon be ready to take care of the recharging needs (with sufficient efficiency and wattage) of Tesla as well as those of other EV manufacturers.”  

  • Lithium Economics Analyst, based in Bolivia. 

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The Green Living Guy, Seth Leitman is a green living expert, celebrity and Editor of the McGraw-Hill, TAB Green Guru Guides. Seth is also an Author, Radio Host, Reporter, Writer and a Environmental Consultant on green living. The Green Living Guy writes about green living, green lighting, the green guru guides and more. Seth's books range from: # Build Your Own Electric Vehicle by Bob Brant and Seth Leitman (2nd and 3rd editions) # Build Your Own Plug-in Hybrid Electric Vehicle by Seth Leitman # Build Your Own Electric Motorcycle by Carl Vogel # Green Lighting by Seth Leitman, Brian Clark Howard and Bill Brinsky # Solar Power For Your Home by David Findley # Renewable Energies For Your Home by Russel Gehrke # Do-it-Yourself Home Energy Audits by David Findley # Build Your Own Small Wind Power System by Brian Clark Howard and Kevin Shea # and more green living books to follow.

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