Donut Lab has released five VTT test reports on its solid-state battery, but none address the 400 Wh/kg energy density or 100 ...

Starting a fire with a battery sounds like one of those viral hacks that shouldn’t work - but this one actually does. In this ...

Silicon-carbon batteries have been leading phones to eyebrow-raising battery life, and the Realme P4 Power includes one of ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

Harbor Freight is known for its affordable tools, but finding a sub-$50 gadget worth your time is still a challenge.

There was speculation that Donut Lab’s battery was able to discharge energy so quickly because it was a supercapacitor in disguise. So the startup set out to disprove that claim. There was speculation ...

BOSTON — Massachusetts students earned the highest scores on Advanced Placement exams last year and broke the all-time record for the highest percentage of graduates who scored 3 or higher on an AP ...

The Finnish startup’s battery not only survived extreme heat conditions, it actually gained capacity. The Finnish startup’s battery not only survived extreme heat conditions, it actually gained ...

Donut Lab has released a second set of independent test results for its controversial solid-state battery — this time proving the cell can discharge at extreme temperatures up to 100°C and actually ...

Solid-state batteries spark a global EV arms race as automakers and startups compete to unlock ultra-fast charging and the holy grail of electric mobility. Solid-state batteries have entered a global ...

After weeks of skepticism and even industry figures calling its solid-state battery claims a “scam”, Finland-based Donut Lab has released independent test results backing up its promise of ultra-fast ...

Organic cathode materials are emerging as a credible alternative to the cobalt- and nickel-based compounds that dominate today’s lithium-ion batteries. Built from abundant molecular precursors, these ...