Volkswagen is making great advances in induction

After brushing your teeth, the electric toothbrush lands on its station and recharges comfortably until the next time. The awkward plugging into the socket is done thanks to induction, it couldn’t be easier! It is time that not only the popular e-toothbrushes and some smartphones mastered the little trick, but also our electric cars. VW has now achieved a breakthrough in this area.

Inductive charging will soon also be possible while driving?

Knoxville is all about high-performance charging systems

The biggest problem with inductive charging of e-cars so far has been the high charging losses. If only a little of the electricity arrives, then refueling is not worthwhile. But the Volkswagen group would like to reduce the charging cable and is throwing a lot of know-how into the balance. The vehicles learn how to recharge inductively in the company’s own innovation laboratory in Knoxville, Tennessee. The Oak Ridge National Laboratory (ORNL), an important research center that reports to the US Department of Energy, is also there. The focus of the joint project is on high-performance charging systems, including the inductive variant.

98 percent of the energy arrived in the Porsche battery

Now there is a first major success story: 98 percent of the transmitted energy reached the vehicle battery of the Porsche Taycan with the new induction system. A few months earlier, the Institute for Automation and Communication in Magdeburg reported that wireless charging and feeding back the battery power into the grid would be possible without any problems. At that time it was about charging systems up to a maximum of 11 kilowatts, Volkswagen, on the other hand, has already reached the 120 kilowatt mark, after shy beginnings with a narrow 6.6 kilowatts.

The company does not want to stop at this point, it is aiming for an output of 300 kilowatts. This means that the Porsche battery would be 80 percent full after 10 minutes: a rapid refueling process that quickly sends the speedster back to the slopes. As always, patience is required at this point, because before the first electric cars with the new induction system appear on the market, a lot more needs to be done in Knoxville.


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