Amprius Technologies, which is developing lithium-ion batteries with its Silicon Anode Platform, has delivered SiCore battery cells to multiple drone and unmanned aerial vehicle (UAV) customers from its Fremont, California pilot line.
The deliveries include the supply of 450 Wh/kg high-energy cells to Airbus subsidiary AALTO and balanced energy-and-power cells to drone manufacturers supporting tactical and commercial missions. The newly-shipped cells are engineered to support longer-duration flights, where energy density and weight are mission-critical.
While Fremont enables rapid development and early-stage production, Amprius is scaling its global supply chain to meet growing commercial demand. The company has secured more than 1.8 GWh of manufacturing capacity through international contract partnerships, including a strategic agreement in South Korea, to support broader adoption across aerospace, defense, and electric mobility markets.
“Amprius’ SiCore cells represent a major advancement in energy performance, supporting the ultra-lightweight, long-endurance requirements of our high-altitude operations,” said Pierre-Antoine Aubourg, Chief Technology Officer at AALTO. “Their silicon anode technology has already enabled Zephyr to operate in the stratosphere overnight for months at a time, an unprecedented milestone in persistent flight. We look forward to working with Amprius as we qualify their next-generation cells to power the future of stratospace innovation.”
Source: Amprius Technologies
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