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
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.”