Photo: Amprius Technologies
Amprius Technologies recently introduced a new SiCore cell built on its Silicon Anode Platform that improves battery performance in EVs, electric aircraft, and drones.
In late 2024, battery manufacturer Amprius delivered pre-production 10Ah samples to six customers for testing, with full sales set for early 2025. If real-world testing delivers as promised, this battery could enable its customers to achieve higher range, speed, and reliability.
Amprius' new SiCore cell delivers an energy density of 370 Wh/kg and an output power of over 3000 W/kg. That means it packs a ton of power while also delivering bursts of power – perfect for situations where endurance and speed are equally important.
The Fremont, California-based company says what makes its new SiCore cell different is its versatility. It handles maximum output levels of up to 10C without active cooling and 15C with cooling, making it a solid choice in extreme conditions. Think of drones that fly long distances or electric planes that use energy-efficient take-offs and landings.
According to Amprius' customer, Teledyne FLIR, which specializes in unmanned aerial systems, this battery could change the game for its drones. Tung Ng, vice president of Systems North America at Teledyne FLIR, said, “We are eager to explore how this innovative technology can meet the demanding needs of our defense, security, and industrial customers, enabling longer uptime and increased operational flexibility.”
EVs, advanced air travel, and eVTOL aircraft will also benefit from SiCore's high-power and high-power cell balance. Dr. Ionel Stefan, CTO of Amprius, described it as a breakthrough in the tricky trade-off between power and energy, calling it “a new energy that is likely to apply to the most demanding applications.”

Read more: Amprius ships EV battery that reaches 90% charge in 15 minutes
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