From smartphones, tablets, scooters and electric cars to children’s toys, portable chargers, robot vacuums and electric toothbrushes, lithium-ion batteries are powering an increasing number of ...

The nation’s aviation regulator is urging airlines to ramp up messaging about the dangers of lithium battery fires—but did not mandate any policy changes. The average airline passenger packs four ...

New solid-state technology offers higher energy density and faster charging. It’s so named because it does away with the ...