Lithium-Air Batteries: The Holy Grail of Energy Storage?

Lithium-air (Li-Air) batteries have the potential to revolutionize energy storage with their theoretically enormous energy density, approaching that of gasoline.  Ongoing research into Li-Air technology explains how it works, its potential benefits, and the challenges of practical application. Scientific breakthroughs needed to overcome battery problems such as low efficiency, short lifespan, and moisture sensitivity. How Li-Air batteries could be used in electric vehicles, grid storage, and even consumer electronics in the future, if the technical hurdles can be overcome.