Israeli battery tech developer StoreDot says its silicon-dominant cells have achieved a lifetime of 1,200 cycles in testing.
Using a specially designed testing form factor, StoreDot’s engineers have exceeded 1,200 cycles with cells that are charged to 80% of capacity in 15 minutes, then discharged for one hour. The company says the results were achieved with a specific energy of 300 Wh/kg (energy density of 680 Wh/liter) in real-world conditions at room temperature and with no additional pressure applied.
The company is now beginning to advance to B-samples, using larger form factors, which it will ship to global automotive manufacturers later this year for testing in future EVs.
StoreDot says its extreme fast charging (XFC) batteries will be available in both pouch and cylindrical 4680 form factors.
The company expresses its goals in terms of “100 in x,” meaning that a battery can add 100 miles of range in x minutes of charging. The long-term target is to deliver “100 in 2”—that is, 100 miles of range in just 2 minutes of charging—within a decade.
“1,200 consecutive cycles of extreme fast charging is a critical milestone that would have been unimaginable just two years ago,” said Yaron Fein, StoreDot’s Vice President of R&D. “This…reaffirms our roadmap of delivering ‘100 in 5’ cells for global automotive manufacturers within two years.”