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 ...

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

Silicon is an attractive negative electrode (anode) material for future lithium-ion batteries because it can store much more energy than the graphite used today. However, silicon expands and shrinks ...

The proliferation of affordable lithium batteries has made modern life convenient in a way we could only imagine in the 80s when everything was powered by squadrons of AAs, or has it? [Ian Bogost] ...

The battery packs of electric vehicles are quite resilient; the lithium-ion type used in most modern EVs can last at least a ...