Finnish startup Donut Lab released its third independent test result Monday, the latest in a series of weekly rollouts related to what it claims is the world’s first production-ready all-solid-state battery. This time, the test takes aim at a specific question: Is the Donut battery actually a supercapacitor in disguise? To answer that, the company … Continue reading “Donut Lab's Latest Solid-State Battery Test Proves It Isn't A Supercapacitor”
Written by Electric Vehicles Magazine
Donut Lab released its second independent solid-state battery test result Monday. The pouch cell was subjected to extreme temperatures as high as 212 degrees Fahrenheit. It appeared to perform well at elevated heat, but one battery scientist said the limited data revealed little about its real-world performance. Finnish startup Donut Lab has released its second … Continue reading “What Donut Lab’s Latest Solid-State EV Battery Test Actually Reveals”
Written by Electric Vehicles Magazine
Donut Lab will release evidence that its solid-state battery is the real deal next week. The pack has been independently tested by a state-owned research firm, the company claims. If the claims are true, the battery world could see a massive disruption. Donut Lab, the Finnish startup that stunned the auto industry at this year’s … Continue reading “Donut Lab Remains Defiant About Its Solid-State Battery, Saying Proof Is Coming Soon”
Written by Electric Vehicles Magazine
Earlier this month, a little-known Finnish startup shocked the world when it claimed to have beaten Toyota, Samsung, LG Energy, Quantumscape and any number of Chinese automakers at commercializing the Holy Grail of electric-vehicle power: solid-state batteries. Helsinki-based Donut Lab said at CES 2026 that it has a class-leading solid-state battery ready to go in … Continue reading “Donut Lab Says It Cracked Solid-State Batteries. Experts Have Questions.”