Donut Lab is facing a new controversy after a whistleblower filed a criminal complaint questioning the company's strong claims about its solid-state battery technology.
The allegations have been extremely concerning since the startup overstated its performance metrics and readiness for large-scale production.
The complaint was reportedly filed by Lauri Peltola, who has ties to Nordic Nano.
According to the allegations spotted by Helsingen Sanomat, Donut Lab may have exaggerated key metrics such as energy density and battery lifespan.
Peltola also challenged whether the company has the necessary infrastructure to scale production, casting doubt on earlier claims that positioned the technology as close to mass-market deployment.
Additional concerns surfaced following reports of internal communications between Donut Lab and its partners. The documents suggest inconsistencies between what was presented publicly and the actual development stage of the technology.
Engadget also reported that the battery model showcased in demonstrations was reportedly based on an earlier version developed by CT-Coating.
Sources claim that development had already shifted toward a newer but less mature design, raising questions about whether outdated technology was portrayed as production-ready.
Leadership from Donut Lab and Nordic Nano has...
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