Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...
A new water-based battery design is safer and more energy-efficient than traditional lithium-ion batteries, Chinese researchers claim. The water-battery has a lifetime of over 1,000 charge-discharge ...
The power that makes electric vehicles travel farther and smartphones last longer comes from battery materials. Among them, ...