How useful is inductive charging while driving?

How useful is inductive charging while driving?-charging

Several companies are working on charging electric cars and electric trucks while driving. Some inductive charging approaches in which the technology is even the technology for contactless power transmission, are quite promising.

The start-up magment from the vicinity of Munich for example has developed a magnetic cement to load electric vehicles while driving. When stationary wireless loading of, for example, forklifts or mobile robots, the technology has already proven. Now Magment has introduced a system to implement this while driving, which already succeeds with forklifts and mobile robots.

The system is a special cement in which magnetic ferrite and copper coils and cable are cast. In a largered pilot project in the US state of Indiana, laboratory tests are now beginning before a 400 meter long road section should be equipped with the charging system. The goal is a charging power for electric trucks of more than 200 kilowatts. In successful tests, Indiana wants to equip several highways with the technology.

The US company Qualcomm had already presented a wireless charging system for electric cars in 2017. However, it came to a charging power of only 20 kW at a speed of 120 km / h – thus covered approximately the current consumption during a ride at this speed. The company IPT Technology from the vicinity of LOrrach has developed a more powerful system that allows a charging performance of a good 180 kW at a speed of 80 km / h.

The big question, however, is whether a large-scale inductive charge is economical and ecologically useful during the ride. Finally, thousands of kilometers of roads would have to be equipped with magnetic material and copper. A conversion with overhead lines appears here as the better alternative because they would be a lot of resource-saving and cheaper to realize.

Wireless loading while driving, however, can still have its existence, for example where short distances with high performance a spout makes sense. Like bus stops, taxi stands, at traffic lights and in warehouses or factories.

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4 thoughts on “How useful is inductive charging while driving?”

  1. Sounds expensive and repair-prone. Trucks are not exactly known to protect the asphalt. Sounds a wire over the roadway sounds more favorable, more efficient and easier to wait. If that will be necessary at all, thanks to ever better battery technology.


  2. I think the wire on routes where a lot of force is needed or braking energy is created, such as. B. Burner or Albaution could be useful. In the plane, the vice then rolls with the battery.

  3. Why not – in city traffic I stand every few meters at the traffic light – if I can load with 100 kW each with 100 kW I come on the work path loose to 10 minutes charging time d.H. Ca. 17 kWh in the battery. In this way, I only have to start a charging pump in the Best Case only very rarely &# 128578;


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