Power

StoreDot hits target of 1,200 cycles for its XFC charging cells

23rd March 2022
Kiera Sowery

StoreDot has now passed the major milestone of testing silicon dominant cells for more than 1,000 cycles.

Using a specially designed testing form factor, StoreDot’s experts have now exceeded 1,200 cycles with cells that are taken to 80% of charge in 15 minutes and then discharged for one hour. These exceptional results have been achieved with a high energy density of 300Wh/kg and 680 Wh/l 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, to ship to global automotive manufacturers later this year for testing in future electric vehicles.

Yaron Fein, StoreDot Vice President R&D said: “I’m hugely proud of our recent achievement. 1,200 consecutive cycles of extreme fast charging is a critical milestone that would have been unimaginable just two years ago. This is not only testament to the skill and dedication of StoreDot’s world-leading team, but it reaffirms our roadmap of delivering ‘100in5’ cells for global automotive manufacturers within two years, and creating batteries that will transform the experience of electric vehicle drivers by eradicating their charging and range anxieties.”

When a lithium battery is charged and discharged once, it is called a cycle, and lithium battery capacity degrades as the cycle number increases. Battery cycle life is measured in cycles, with an industry standard of cycles to 80% capacity often used as a benchmark - and so creating cells that can charge for 1,200 cycles whilst maintaining the industry standard is a significant achievement.

StoreDot remains intensely focused on delivering its hype-free technology road map to global automotive companies. This relentless development program extends far into the future, where the target is to deliver 100 miles of range after just two minutes of charge within a decade.

StoreDot’s ground-breaking extreme fast charging cells will be available in both pouch and the 4680 family form factor – the formats increasingly favoured by many global car manufacturers.

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