Engineers have managed to find a solution for an extremely fast charging process, which will significantly reduce the time you currently have to spend waiting for your electric car’s battery to charge for the next trip.
The Swedish Polestar, part of the Chinese car company Geely, is working together with fast-charging battery pioneer StoreDot on a super-fast charging process that would eliminate the downtime that is so unpleasant for many when charging electric car batteries.
The Polestar 5 prototype with an experimental 77kWh battery with a silicon-dominated design is reportedly used for this purpose. Engineers managed to charge the battery of a fully functional electric car from 10 to 80 percent in just 10 minutes, and it is noted that the 77 kWh battery can potentially be increased to 100 kWh, which would increase the range of a medium-sized electric car by 320 kilometers in 10 minutes in the future.
It is also surprising to find that during charging the power does not drop, as is usual, but remains the same or even increases. It was found during the experiment that when starting the charge at 310 kW, at the end of the charging process the power reached a maximum value of more than 370 kW, and this happens all the time when you are in the charging zone between 10 and 80 percent.
The XFC test was carried out by Polestar and StoreDot engineers to demonstrate the suitability of XFC battery technology for future Polestar vehicles. StoreDot’s new XFC technology uses silicon-dominated cells with energy densities comparable to state-of-the-art NMC cells. They do not require any special cooling systems in the vehicle. At the same time, the weight is maintained or even reduced. No less important features are also a high degree of recyclability and simple maintenance.
The test proved that XFC technology is compatible with today’s DC charging infrastructure, where charging stations with a capacity of 350 kW or more are increasingly being installed.
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