500 Wh/kg silicon battery packs extreme energy density for longer aircraft missions
SMRTR summary
Amprius Technologies has developed a silicon-anode battery cell hitting 500 Wh/kg using standard manufacturing equipment, making high-energy batteries easier to scale. Already powering AALTO's Zephyr aircraft, which flew 67 days straight in 2025, the cells could extend drone and aircraft missions significantly. Commercial availability is expected in late 2026.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
Read the original article