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

Donut Lab, a California-based startup developing solid-state battery technology, has drawn intense attention and sharp criticism over claims that its donut-shaped cells can outperform conventional ...

The development of battery materials at the University of Eastern Finland began more than a decade ago with research on anode and cathode materials. Now, with the new Battery Research Laboratory at ...