The rechargeable batteries that power common items like e-bikes, scooters and electric cars can pose a dangerous new threat to firefighters. They burn hotter and longer — and many fire departments may ...

Wesley Chang is an assistant professor of mechanical engineering and mechanics at Drexel University. Rechargeable batteries are great for storing energy and powering electronics from smartphones to ...

Lithium-ion batteries allowed EVs to finally become viable for the masses. They can store a lot of energy in a relatively small package, allowing EVs to drive more than 100 miles without towing a ...

When the battery was first invented in the 1800s, its energy storage capabilities unlocked innovation in unimaginable ways. From discs of copper and zinc held together by old-school electrolytes, the ...