Automaker
Appears in 1 story · Last updated Aug 1, 2026
As of August 2026: Completing first 400 Wh/kg solid-state battery pack in 2026 for vehicle testing
A June 2026 investigation backed by more than 20 independent battery experts concluded that Donut Lab's claimed solid-state battery is a conventional lithium-ion cell. Voltage curves at 3.7–3.8V at 50% state of charge and graphite anode expansion signatures matched NMC lithium-ion chemistry — not the sodium-ion solid-state design Donut Lab announced at CES.
Updated Aug 1
No stories match your search
Try a different keyword
How would you like to describe your experience with the app today?
