Scientists develop a new technique that charges EV batteries in just 10 minutes. A design breakthrough has enabled a 10-minute charge time for a typical electric vehicle battery. A paper detailing the record-breaking combination of a shorter charge time and more energy acquired for a longer trave
This 10-min fast-charging battery was developed for electric cars, with the black box on the top containing a battery management system to control the module. Credit: EC PowerA design breakthrough has enabled a 10-minute charge time for a typical electric vehicle battery.
Wang explained that if new car sales are going to shift to battery-powered electric vehicles , they’ll need to overcome two major drawbacks. First, they are too slow to recharge. Second, they are too large to be efficient and affordable. Instead of taking a few minutes at the gas pump, some EVs can take all day to recharge depending on the battery.
The technology relies on internal thermal modulation, an active method of temperature control to demand the best performance possible from the battery, Wang explained. Batteries operate most efficiently when they are hot, but not too hot. Keeping batteries consistently at just the right temperature has been major challenge for battery engineers.
“True fast-charging batteries would have immediate impact,” the researchers write. “Since there are not enough raw minerals for every internal combustion engine car to be replaced by a 150 kWh-equipped EV, fast charging is imperative for EVs to go mainstream.”
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