Companies are developing ultra-fast charging systems that can refill electric vehicle batteries in minutes, potentially ...

Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...

Scientists at HKUST have unveiled a major leap forward in calcium-ion battery technology, potentially opening the door to safer, more sustainable energy storage for everything from renewable power ...

Massachusetts recycler Nth Cycle signed a $1.1B deal with Trafigura to refine recycled EV battery metals in the US and Europe ...

A new vehicle is the first mass-produced passenger EV with a viable sodium-based alternative to conventional lithium-ion ...

AI is helping scientists crack the code on next-gen batteries that could replace lithium-ion tech. By discovering novel porous materials, researchers may have paved the way for more powerful and ...

The U.S. House approved legislation Wednesday mandating federal safety standards for rechargeable lithium-ion batteries used in e-bikes and scooters, with the goal of preventing fires. The bill passed ...

Chinese scientists have made a long-lasting, eco-friendly battery using organic electrodes and an electrolyte safe enough to be used as tofu brine. The team’s water-based battery is non-toxic and can ...