Nasa tech achieves electric car charge in just 5 minutes

Nasa engineers have developed an experimental cooling technique for use on the International Space Station which has been adapted for electric cars to massively reduce the time it takes to charge their batteries.

The purpose of the complex heat transfer system was originally developed to maintain proper temperatures in space, however a team of researchers discovered that the technology could also have applications on Earth.

Due to the heat generated from charging powerful lithium-iron batteries in electric vehicles, it means that chargers are currently limited to around 30 amperes for at-home chargers, and up to 350 amperes for “fast charging” stations.

This leads to charge times ranging from around 20 minutes to several hours – much longer than the time it takes to refill a fuel-powered vehicle.

Known as “subcooled flow boiling” the new technique is capable of delivering 4.6 times the current of the fastest available electric car chargers on the market, which would allow charge times of less than five minutes.

Sponsored by Nasa’s Biological and Physical Sciences Division, a team from Purdue University in the US used the technique to develop a Flow Boiling and Condensation Experiment (FBCE) to safely cool cables carrying high charges.

Nasa noted in a blog post: “This technology may make owning an electric-powered car here on Earth easier and more feasible.

“Application of this new technology resulted in unprecedented reduction of the time required to charge a vehicle and may remove one of the key barriers to worldwide adoption of electric vehicles.”

Purdue University is currently seeking additional industry partners to continue the technology’s development.

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