Technologies

In less than 4 minutes, you can charge the battery of an electric car thanks to a new technology for its cooling 

A group of students from the Eindhoven University of Technology (TU/e, The Netherlands) has produced an electric vehicle battery and charging technology. It takes only four minutes to fully charge it.

Source: interestingengineering.com

It is known that the long waiting time for batteries to charge is one of the main disadvantages associated with the transition to electric vehicles (electric vehicles, EV). Developed by a group of students, the technology makes it possible to fully charge the InMotion Student Team Revolution race car with a 29.9kWh (kWh) battery and a range of approximately 250 kilometers (155 miles) at a maximum charging power of 322kW in just 3 minutes and 56 seconds.

On the other hand, fast charging of a battery is always accompanied by the release of a significant amount of heat, which leads to accelerated wear of its constituent elements – batteries. The InMotion group was able to find a method that removes heat at the cell level, with refrigerant flowing between each cell. “This means we can extract even more heat from the battery. This has an extremely positive effect on the service life and repeated fast charging. As a result, the 24-hour test shows minimal degradation of the battery pack,” explains team leader Julia Niemeyer.

The InMotion team hopes to be able to demonstrate this technology at the annual 24 Hours of Le Mans endurance car race, where the battery will be tested under the most extreme conditions, especially long-distance races

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