Lithium sits at the center of the battery economy. Yet getting it out of rock still looks surprisingly crude. Spodumene, the ...

The Li-ion batteries that power everything from smartphones to electric cars are usually packed in rigid, sealed enclosures that prevent stresses from damaging their components and keep air from ...

Sodium-ion batteries use more abundant raw materials but don’t currently perform as well as those made with lithium.

Tiny droplets are powering big ideas in science. Researchers have developed a miniature, soft, and flexible lithium-ion battery made from biocompatible hydrogel. This new battery, smaller than a grain ...