QuantumScape unveils Osprey all-solid-state cell

QuantumScape has unveiled its Osprey all-solid-state battery platform, which swaps the liquid in its cathode for a sulfide solid electrolyte while retaining its ceramic separator and anode-free design. According to the company, small lab cells have achieved 1,000 full cycles to 80% capacity at one atmosphere of pressure. However, the author notes that the press release includes conditions such as a five-minute fast charge requiring 80 degrees Celsius and projected energy densities. Open article →