Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

Finnish startup Donut Lab has just released the third independent test of its solid-state ...

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready ...

The supercapacitor is an extremely promising energy storage technology, and though they have yet to reach parity with the best batteries in terms of energy density, offers considerable promise for a ...

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...

Supercapacitor technology often looks like a revolutionary energy storage technology on the surface, but the actual performance numbers can be rather uninspiring. However, for rapid and repeated ...

Supercapacitors have the potential to pave the way for electric vehicles that charge in minutes rather than hours, overcoming one of the barriers to widespread adoption and being good for drivers and ...

Supercapacitors are an essential energy storage mechanism in self-powered systems. Their high-energy capacities combined with their ability to provide high-power output make them ideal for ultra-low ...

Researchers at the Queensland University of Technology have added another hybrid supercapacitor design to the mix, promising the near-instant charge and discharge of a supercap with vastly improved ...

Researchers at Drexel University are one step closer to making wearable textile technology a reality. Recently published in the Royal Society of Chemistry’s Journal of Material’s Chemistry A, ...

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.