How Amprius is Advancing Energy Density for Electric Aircraft Batteries
Aerospace & Defense Technology2 Touko 2025

How Amprius is Advancing Energy Density for Electric Aircraft Batteries

Amprius recently launched its 450 Wh/kg SiCore™ lithium-ionbattery, the most energy dense battery it has ever developed for electric aircraft and other mobility applications. The California-based lithium-ion battery maker has made several advancements in battery energy density with its silicon anode material system, and is now preparing to move to mass production of SiCore.

The commercial launch of the 450 Wh/kg SiCore™ cell followsthe broader introduction of Amprius’ SiCore™ platform in January 2024. That announcement marked the debut of a new generation of silicon anode cells engineered for both high energy and high power in a single format. Their lithium-ion batteries have already demonstrated the ability to extend the range and flight times of drones and high-altitude platform stations (HAPS). The company is now focused on mass producing their lithium ion battery to support more aviation and defense applications.

Amprius CTO Dr. Ionel Ștefan is the guest on this episodeof the Aerospace & Defense Technology podcast to explain their latest battery energy density breakthrough and how they're preparing for mass production of their batteries.

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