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.

Volkswagen’s partner, Gotion High Tech, has begun testing all-solid-state EV batteries with a CLTC range of 1,000 km (620 ...

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, ...

Rechargeable batteries are everywhere—from portable electronic devices and electric vehicles to renewable energy storage.

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

Volkswagen’s Chinese battery partner Gotion High Tech has taken another step towards mass production of its Gemstone solid-state batteries with the commencement of real-world vehicle testing. These ...

As the electric vehicle (EV) market surges towards 2040, fueled by strong consumer enthusiasm, the need to address key concerns about EV range, reliability, and battery life has become critical.

The new EL97xx series of electronic loads available now from INTEPRO SYSTEMS offers users a simple means to test or characterize individual battery cells or multi-cell stacks. Models are available ...

RTX has reached a key milestone in its hybrid-electric propulsion project, successfully running its ...

A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger ...

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