Search results for Donut Lab
Industry
Donut Lab solid-state battery claims questioned as tests suggest lithium-ion cell
An investigation has found that core technology touted by Donut Lab as a next-generation solid-state battery may in fact be a conventional lithium-ion battery. The findings, based on analysis of voltage curves, cell swelling data and estimated energy density, have fuelled controversy over technology validation. Questions have also been raised about the supply chain, commercialisation claims and fundraising. Local reports said Finnish financial authorities and investigative agencies are reviewing the matter.
Mobility
Donut Lab spotlights cooling design for 11-minute fast-charging solid-state battery motorcycle
Donut Lab released additional details on the battery structure and charging performance of the Verge TS Pro second-generation electric motorcycle equipped with a solid-state battery. The model supports 100 kW-class DC fast charging, taking about 11 minutes to charge from 10 percent to 80 percent. The company highlighted an air-cooled battery pack design using heat transfer plates, small fans and heat sinks, and said external verification data has not been disclosed.
Industry
Donut Lab solid-state battery passes first verification, but heat poses challenge
Finnish startup Donut Lab released its first independent test results for its controversial solid-state battery. A report by Finland\'s state-owned VTT Technical Research Centre verified ultra-fast charging, with a 26Ah single cell reaching 0 to 80 percent in 4 minutes 30 seconds at 11C. The tests also showed clear temperature increases and a pause when a safety limit was reached, underscoring the need for heat management. Other key claims remain unverified.