Donut Lab's "miracle battery" said to be a conventional lithium battery

[Redaktion]

The Finnish start-up Donut Lab wanted to change the world with a solid-state battery with extremely high energy density and a particularly long service life. This has earned the company a valuation of $1.25 billion, but doubts about the existence of the advertised battery are growing.

https://www.notebookcheck.net/Donut-Lab-s-miracle-battery-said-to-be-a-conventional-lithium-battery.1318456.0.html