StoreDot and Polestar showcase world’s first 10-minute EV charge

Successful charging of a 77kWh battery pack powered by StoreDot’s extreme fast charging high energy (300Wh/kg) silicon-dominant battery cells, installed in a fully driveable Polestar 5 prototype, from 10% to 80% in under 10 minutes.

Autocar Pro News Desk By Autocar Pro News Desk calendar 30 Apr 2024 Views icon1731 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp

StoreDot, the pioneer and world leader in extreme fast charging (XFC) battery technology for electric vehicles, and Polestar, the Swedish electric performance car brand, have demonstrated pioneering battery technology that charges an electric vehicle in just 10 minutes.

This world-first demonstration featuring a 10-minute charge with silicon-dominant battery cells in an EV showcased unprecedented charging speeds that will eliminate consumer charging anxiety, a major obstacle to widespread EV adoption.

In the demo video seen here, the companies successfully charged a 77kWh battery pack powered by StoreDot’s extreme fast charging high energy (300Wh/kg) silicon-dominant battery cells, installed in a fully driveable verification Polestar 5 prototype, from 10% to 80% in under 10 minutes.

The vehicle saw a consistent charge rate of over 310kW for the entire test procedure and a peak of more than 370kW. All cell parameters including temperature, voltage and charged capacity were monitored throughout, with the battery pack never exceeding the target operating temperature set by engineers of both teams.

The demo showcases StoreDot’s ‘drop-in’ ability to be integrated in an existing car model. It also paves the way to extreme fast charging a car using available charging infrastructure, rather than using proprietary chargers.  

World-first demonstration showcased unprecedented charging speeds that will eliminate consumer charging anxiety, a major obstacle to widespread EV adoption.

This world-first demonstration featuring a 10-minute charge with silicon-dominant battery cells in an EV showcased unprecedented charging speeds that will eliminate consumer charging anxiety, a major obstacle to widespread EV adoption.

According to StoreDot, a key advantage of the silicon-based anode technology is the ability to continue pushing both energy density and charging rate boundaries for several more battery generations. In contrast, conventional graphite anodes are already approaching their theoretical performance limits, restricting further advancements. StoreDot's silicon design provides a crucial pathway to sustained innovation in areas like extreme fast charging.

The breakthrough was enabled by StoreDot's advanced XFC battery cells and represents another major milestone on the company’s path toward commercialization, proving the maturity, stability, and durability of its game-changing technology, while paving the way for an industry-wide XFC battery adoption.

Dr Doron Myersdorf, CEO of StoreDot, said: "We are very excited to share this impressive achievement and are proud to be on this journey with Polestar, a leading car brand who envisions high performance cars with a sustainable future. We’re happy to see our partner is among the first EV car makers to acknowledge that XFC is now a necessary standard to make vast EV adoption a reality. With our extreme fast charging technology, you can add 200 miles / 320km in under 10 minutes. This breakthrough revolutionizes EV ownership experience by eradicating the barrier of range and charging anxiety once and for all. Drivers can now truly travel long distances with the same freedom and convenience as traditional petrol-powered vehicles."

Thomas Ingenlath, CEO of Polestar, commented: “By eliminating charging times that were previously an obstacle, StoreDot’s XFC battery cells combined with our cutting-edge product development and battery engineering have unlocked new frontiers for electric mobility. This technology will reshape consumer expectations and accelerate mass EV adoption by making EV ownership a seamless experience for the mass market."

StoreDot states that it remains firmly on track with production-readiness of its XFC cells that deliver 100 miles charged in 5 minutes this year. The company aims to deliver 100 miles / 160km charged in 4 minutes in 2026, in 3 minutes by 2028.

StoreDot's strategic investors and partners include BP, Daimler, VinFast, Volvo Cars, Polestar, Ola Electric, Samsung, TDK, and its manufacturing partner EVE Energy.

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