QuantumScape said on November 11, 2026 that it introduced Osprey, an open all-solid-state platform that pairs its ceramic separator and anode-free lithium-metal design with a solid sulfide cathode. The company said early cells, tested at 1C/1C, room temperature, more than 5 mAh/cm2 and full depth of discharge, reached 1,000 cycles to about 80 percent capacity retention at one atmosphere, charged from 10 percent to 80 percent in five minutes, and operated below -20 C. Those figures are QuantumScape's own early tests, not an independent certification. The company said QSE-platform cells are shipping to customers now, that it is already working with automotive partners on Osprey, and that it projects large-format cells could reach about 1,100 Wh/L.
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