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.

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, ...

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

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

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 ...

When it comes to formulating and testing battery materials, developers have a lot of options. While this may sound like a good thing, it also means that these teams must manage “multidimensional ...

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

Across the globe, governments are implementing strategies to get more electric vehicles on the roads. Yet a major reservation many motorists have about EVs is their efficiency and safety. We explore ...

This article was written by technical expert Sean White for Fluke Corp. Batteries can be a reassuring backup for residential and commercial buildings when grid power goes down, and they’re critical to ...

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 ...

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