Introduction: A Technology So Unbelievable It Has Its Own Website
In the world of energy storage, a claim so extraordinary that it seems ripped from science fiction has emerged. A Finnish start-up called Donut Lab, led by inventor Marco Letimäki, has announced the creation of a solid-state battery with specifications that, if true, would not merely advance the field but obliterate its known boundaries. The claimed specs—400 watt-hours per kilogram energy density, 100,000 charge cycles, and five-minute charging—defy the current industry consensus and the known laws of materials science. To a world shackled by centralized power grids, unreliable lithium-ion technology, and dependency on conflict minerals, such a promise sounds like a mirage.
Read Full Article: https://www.naturalnews.com/2026-02-21-the-donut-lab-battery-energy-independence.html
