Electric Vehicles and Cheaper and Faster than Ever Before

If the term “rotating transformer” sounds unfamiliar, that’s because the concept was only recently developed by researchers at Chalmers University of Technology. The technology, which has been designed for use within electric vehicles, is designed to cut the average charging time for those vehicles down to two hours from its current level of just over eight hours. It does this by “rotating” while charging, rapidly transferring energy to the vehicle’s battery in a way that has never been done before.

The Product of Months of Research and Speculation

Students and researchers at Chalmers University of Technology set out originally on a mission to create the absolute best solution for charging a vehicle, determined to prove that these cars should not have to wait between eight and twelve hours for a full recharge of the large batteries installed under the hood. Their goal was a bit more ambitious than a two-hour charging time, however. The team originally wanted to create a solution that would allow a vehicle to fully charge in as little as five or ten minutes.

What team found was that such a solution would easily lead to EVs selling for about $100,000. Given that statistic, the team set out on its two-hour compromise. The rotating transformer is a relatively easy modification of today’s batteries, though school officials call it a “laboratory-level technology” at this point. Further development could see the technology landing in future EV models in just a few years’ time, though.


A Sign of Hope for the Future of Fast Charging

Without a doubt, the slow charging of EVs represents their single biggest liability. With technologies like the rotating transformer, though, electric vehicles could soon charge in the same amount of time needed to refill a traditional gas tank. That’s very good news for EV owners.

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