StoreDot’s production-ready EV battery cells achieve 1K extreme fast charging cycles

Electric vehicle battery start-up StoreDot announced that its extreme fast charging (XFC) battery cell technology has exceeded 1,000 charging cycles in a production-ready EV form factor.

StoreDot says its XFC EV battery cells repeatedly charged from 10-80% capacity in just 10 minutes and then discharged for one hour before recharging. The EV cells achieved over 1,000 of these extreme charging cycles consecutively before degrading below 80% of their original capacity threshold. No noticeable degradation occurred within the first 600 cycles in which the cells were consecutively fast-charged between 10-80%. StoreDot says it expects to achieve further improvements by the end of 2022.

When Electrek asked how many cycles StoreDot is hoping to achieve once the batteries are ready for commercial release, CEO Doron Myersdorf replied by email:

We have already hit our target that we agreed with most OEMs. This allows for a 500,000 km warranty already – assuming each cycle is for 500 km range.

StoreDot is shipping the 300Wh/kg, 700 Wh/l high energy density cells in pouch format to its global automotive OEM partners for testing. The “100in5” EV performance cells allow drivers to consecutively charge 100 miles of range for every five minutes of charging. 

In March, the Israeli company shipped its production-ready battery cells to its strategic EV OEM partners and potential customers. It also announced that it had achieved 1,200 cycles for its extreme fast charging cells in prototype format.

In early September 2021, StoreDot announced that it produced the first fast charging 4680 cylindrical cell. In November 2021, the company claimed it had become the first to produce XFC cells for electric vehicles on a mass production line. And in December 2021, StoreDot announced new patented technology that uses a background repair mechanism to allow battery cells to regenerate while they are in use.

StoreDot is currently working on mass production readiness of its “100in5” cells with its manufacturing partner, EVE Energy, in China and says it’s on target to begin mass production of the battery cells in 2024.

Read more: Volvo Cars invests in ultrafast battery maker StoreDot

Photo: StoreDot

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