Amprius unveils high-power SiCore cell for EVs, drones, more

Amprius Technologies just unveiled a new SiCore cell built on its Silicon Anode Platform that boosts battery performance for EVs, electric aviation, and drones.

In late 2024, battery manufacturer Amprius delivered pre-production 10Ah samples to six customers for testing, and full commercialization is set for early 2025. If real-world tests deliver as promised, this battery could enable its customers to achieve superior range, speed, and reliability.

Amprius’s new SiCore cell delivers an energy density of 370 Wh/kg and a power output of over 3000 W/kg. That means it packs a ton of energy while also delivering power in bursts – ideal for scenarios where endurance and speed are equally critical.

The Fremont, California-based company says what makes its new SiCore cell unique is its flexibility. It handles high discharge rates of up to 10C without active cooling and 15C with cooling, making it a solid choice for extreme conditions. Think drones flying longer missions or electric aircraft nailing energy-draining takeoffs and landings.

According to Amprius customer Teledyne FLIR, which specializes in unmanned aerial systems, this battery could be a game-changer for its drones. Tung Ng, vice president of unmanned Systems North America at Teledyne FLIR, said, “We are eager to evaluate how this breakthrough technology can meet the rigorous needs of our defense, security, and industrial customers, enabling longer runtimes and increasing operational flexibility.”

EVs, advanced air mobility, and eVTOL aircraft also stand to benefit from the SiCore cell’s balance of high energy and high power. Dr. Ionel Stefan, Amprius’ CTO, described it as a breakthrough in the tricky trade-off between power and energy density, calling it “a new power possibility for high-demand applications.”

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

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