Herzliya-based StoreDot, which is developing extreme fast charging (XFC) battery technology for electric vehicles (EVs), has revealed advanced technology that extends the lifespan of batteries, making them highly effective not only during the vehicle lifespan, but also for "second life" applications, the company announced Thursday.
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According to StoreDot, the improved technology, which moves StoreDot's commitment to advancing the entire battery ecosystem forward, combines the innovative electrochemistry system of the company's silicon dominant cells to ensure minimal drop off in performance, even as the battery ages beyond its useful EV life.
The company reported that its new batteries retain robust performance even after 1,000 cycles and 80% capacity, the point at which rival lithium-ion fast charging technologies start to rapidly deteriorate in performance.
Even after 1,700 cycles, long after the accepted industry norm, StoreDot's batteries maintain 70% of the original capacity, making them highly effective in second life usage for less dynamic applications such as in energy storage and grid load balancing systems, the company said.
StoreDot CEO Dr. Doron Myersdorf said, "StoreDot is well known for creating extreme fast charging technologies and helping drivers overcome charging anxiety which is currently the biggest barrier to EV ownership. But we believe in advancing the entire battery eco-system, ultimately delivering an optimum solution to sustain the transition to full EV electrification.
According to Myersdorf, "Not only will this transformative development encourage more people to drive EVs, but this technology has huge benefits for sustainability too, reducing the need to retire and recycle an expensive component that can now serve in critical second life applications."
Recently, StoreDot announced a new self-repairing cells system, which identifies underperforming cells in the electric vehicle and takes them out of service to unobtrusively fix them. The company has also recently had patents granted for technologies that give electric vehicles a constant range throughout the life of their vehicles, even as the battery deteriorates.
StoreDot is in advanced talks with global car manufacturers and says it is on track to deliver mass-produced XFC batteries, which provide a 50% reduction in charging time at the same cost, by 2024.
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