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StoreDot, a global leader in extreme fast charging (XFC) battery technology for electric vehicles, has marked a significant milestone in its commercial journey. The company has successfully manufactured its first prismatic XFC silicon-dominant battery cells, a major leap in the electric vehicle (EV) industry.
Prismatic cells, characterized by their rectangular shape and layered structure, are increasingly becoming the preferred choice among EV manufacturers. These cells offer enhanced mechanical protection and performance benefits. Additionally, their flat surface facilitates easier integration into EVs, offering improved thermal management and safety, while also reducing the complexity and cost of pack assembly.
Transitioning from soft pouch to hard prismatic cells, particularly with the incorporation of silicon-based chemistry in XFC technology, posed significant engineering and manufacturing challenges. StoreDot’s teams, however, have adeptly managed these hurdles, focusing on the design of stack thickness, formation currents, and pressure regimes. This approach effectively handles the swelling of silicon-dominant anode technology and the high currents in a prismatic hard case.
See also: StoreDot’s Silicon Batteries Promise Cheaper, Lighter EVs with Faster Charging Times
By surmounting these obstacles, StoreDot demonstrates that its XFC technology is versatile, adaptable to various cell form factors as required by automakers. The company aims to further enhance this design to achieve up to 170Ah of cell capacity and a volumetric energy density surpassing 700Wh/L.
Dr. Doron Myersdorf, CEO of StoreDot, stated, “Successfully producing and passing initial tests of prismatic cells represents a huge leap towards delivering our XFC batteries in a format that can easily integrate into mass-produced EVs. By mastering prismatic XFC cell design, we are now able to offer our OEM partners batteries in the format they need with the game-changing charging speed of our XFC technology – 100 miles of range in 5 minutes of charging. This milestone moves us decisively closer to mass adoption of affordable, long-range EVs capable of extreme fast charging – creating an experience similar to fueling an internal combustion engine. Our global teams have done outstanding work overcoming key technical hurdles associated with the prismatic design, particularly when working with a silicon-dominant anode. We are firmly on track for the major milestone of mass production readiness this year.”
This announcement follows closely on the heels of StoreDot’s earlier revelation of its I-BEAM XFC™ design, a novel cell-to-pack concept aimed at expediting the integration of XFC technology into EVs.
StoreDot remains on course with its production-readiness of XFC cells capable of delivering 100 miles charged in 5 minutes this year, 100 miles charged in 4 minutes in 2026, and 100 miles charged in 3 minutes by 2028.
About StoreDot
StoreDot stands at the forefront of developing extreme fast charging (XFC) electric vehicle batteries. The company’s pioneering work focuses on overcoming the primary obstacles to mainstream EV adoption: range and charging anxiety. By innovating with proprietary organic and inorganic compounds, optimized through Artificial Intelligence algorithms, StoreDot is revolutionizing the conventional Li-ion battery. Its technology enables EV charging in under 10 minutes, akin to refueling a conventional combustion engine vehicle.
Through its ‘100inX’ product roadmap, StoreDot’s battery technology promises ‘Range on Demand™’: 100 miles charged in 5 minutes in 2024, 100 miles charged in 4 minutes in 2026, and 100 miles charged in 3 minutes by 2028. StoreDot’s strategic investors and partners include major industry players such as BP, Daimler, VinFast, Volvo Cars, Polestar, Ola Electric, Samsung, TDK, and manufacturing partner EVE Energy.
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