500 Wh/kg Silicon Anode Amprius Battery for Drones and Electric Passenger Planes

Amprius Technologies’ batteries deliver up to double the energy density over standard lithium-ion batteries. This means the battery cells provide more energy and power with much less weight and volume. Amprius will have a quarterly investor call at 5 pm EST, 2pm PST today. TODAY, Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a…
500 Wh/kg Silicon Anode Amprius Battery for Drones and Electric Passenger Planes


Amprius Technologies’ batteries deliver up to double the energy density over standard lithium-ion batteries. This means the battery cells provide more energy and power with much less weight and volume.

Amprius will have a quarterly investor call at 5 pm EST, 2pm PST today.

TODAY, Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, is once again raising the bar with the verification of its lithium-ion cell delivering unprecedented energy density of 500 Wh/kg, 1300 Wh/L, resulting in unparalleled run time. At approximately half the weight and volume of state-of-the-art, commercially available lithium-ion cells, the all-new battery cell delivers potential industry-disrupting performance with barrier breaking discharge times. Amprius’ next-generation cells are well positioned to power products in the fast-growing aviation and, eventually, electric vehicles markets, estimated to be collectively over $100 billion in battery demand by 2025.

The 500 Wh/kg battery platform significantly expands boundaries for customers and is a tailored solution for applications that require maximum discharge times without compromising key features such as aircraft payload and without having to increase vehicle weight. The new batteries demonstrate both high gravimetric energy density (Wh/kg) and volumetric energy density (Wh/L) with exceptional adaptability. The customizable platform allows customers to select the option to either increase energy content in a battery pack without increasing weight, reduce weight in applications that target a fixed energy content, or combinations of both. Higher energy is important for longer run times, range and endurance, while lighter packs increase energy efficiency – even for the same battery energy content.

“We look forward to taking advantage of Amprius’ 500 Wh/kg cell to further develop Zephyr’s unrivalled stratospheric endurance capabilities,” said Pierre-Antoine Aubourg, Chief Technical Officer at AALTO HAPS, the Airbus subsidiary developing the 100% solar-electric High Altitude Platform Station for connectivity and earth observation applications. “Amprius is a valued current supplier with a great track-record, and we are confident that Amprius’ battery will deliver the capability we need.”

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