Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

This article presents Chroma’s Model 17011 series, a battery cell charge and discharge system developed for charge and discharge life cycle test, as well as battery characteristic analysis. It ...

Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.

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

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

Donut Lab has had the world's first solid-state battery ready for production vehicles measured in independent testing ...

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

Batteries serve as the main source of power in a substation in the event of an AC outage. They power critical loads and equipment like relays, indicator lamps, circuit-breaker controls, motor ...

When discharging battery cells, it’s sometimes desirable to discharge the cells to a low voltage. Under normal operation, care must be taken to prevent discharging the cell below the safe operating ...

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