StoreDot, an Israeli developer of extreme fast-charging (XFC) battery technology for electric vehicles, unveiled this month what it called the “world’s first” silicon-dominant battery prototype capable of recharging in just 10 minutes.
The company’s cylindrical cells use a 4680 format — 46 millimeters wide by 80 millimeters long — that is favored by global carmakers, specifically electric vehicle giant Tesla.
The battery tech has been in development for three years and includes five patents in cell design, StoreDot said in a statement last week. The design “increases throughput and addresses safety and performance issues typically associated with the hard case structure of cylindrical cells,” the company said.
StoreDot said it was now working on setting up a production line with Eve Energy, the company’s manufacturing partner in China.
“Achieving the goal of extreme fast charging a cylindrical cell in only 10 minutes has been on StoreDot’s technology roadmap from day one,” said StoreDot CEO Dr. Doron Myersdorf. “It’s highly significant that we can offer Electric Vehicle manufacturers the choice of cell formats, utilizing our XFC technology that will overcome the current barriers to EV [electric vehicle] ownership: range and charging anxiety.” This refers to the fear of a battery running out mid-journey and the driver getting stranded at a charging station.
The 4680 format battery will be ready for production at scale in 2024, the company said, as will its first-generation fast-charging pouch cell, also aimed at the EV market. StoreDot is also working on extreme energy density (XED) solid-state technologies, that will allow for longer battery operability and will enter mass production in 2028.
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