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New technology could charge electrical vehicles in as little as 5 minutes – wlfi.com

Purdue Engineers have developed a new technology that could charge electric vehicles in as little as five minutes.
WEST LAFAYETTE, Ind. (WLFI) – Purdue Engineers have developed a new technology that could charge electric vehicles in as little as five minutes.  News 18 spoke with developers as they explained how it works.
The push to make electric vehicles more accessible is a topic of conversation at all levels of Government. But according to Purdue engineers, there are three main issues that electric vehicles face in the United States. One of those is the lack of filling stations on U.S. roads and highways, but another is how long they take to charge.
“Customers are always complaining about spending over 20 minutes at the station to be able to fill the car,” said Issam Mudawar.
Issam Mudawar and his research assistants were able to figure out a way to decrease the amount of time Electric Vehicles can charge. Their patent-pending technology would allow cars to recharge in 5 minutes. That’s about the same amount of time it takes to fill a car up with gas. Here is how it works.
“If you look at a metal conductor such as this one and look in handbooks to figure out how much electrical current we can supply through this we figure out that it’s probably less than 100 amps. We are trying to achieve well over 24-hundred AMPS the way to do this is to remove the heat from this conductor,” elaborated Mudawar.
And that is exactly what researchers did.  Mudawar was able to use a liquid vapor phase change to allow the charging cable to carry more amps.
“What we have done is developed a special cooling technology that will pick up the heat from the conductor surface inside the cable by boiling a fluid dielectric fluid means it doesn’t conduct electricity,” he explained.
Mudawar and his students hope this technology could make electric vehicles more accessible and easier to use.
“The advantages are tremendous long-term,” Mudawar remarked.
“If our electricity is being produced from natural and clean sources like wind energy or solar or maybe even nuclear you eliminate all the pollution that’s happening,” said the Ph.D. student, Devahdhanush V.S.
Though the prototype hasn’t been tested on EVs yet, Mudawar and his students hope to develop a testbed where they can explore all aspects of the technology, both in terms of recharging the electric vehicles and thermal management in the vehicle itself.

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