Elemental analysis demonstrates 'Donut Battery' is not lithium-ion or sodium
donutlab.com
donutlab.com
"But the report measured just two elements, on a cell Donut Lab took apart itself. And nine months after CES, there’s still no production vehicle running on the battery."
https://electrek.co/2026/09/23/donut-lab-intertek-lithium-te...