Nov 4, 2013
They charge up hundreds of times faster than a battery, never wear out and need replacing, and they don’t care about temperature extremes.
May 27, 2013
The company Better Place is liquidating, after a failed attempt to make electric cars with batteries to swap in and out. Problem is, e-vehicles are still expensive. And fossil fuel prices in the recent downturn have softened.
Apr 22, 2013
The Rapid Equipping Force seeks solutions to problems soldiers encounter in the field -- such as packing pounds and pounds of batteries on patrol.
Apr 4, 2013
A promising new technology aims to store electricity for the power grid on the cheap.
Feb 1, 2013
Big battery packs are a balancing challenge -- if the cells work unevenly, one can overheat and burst into flames.
Jan 31, 2013
Prof. John Goodenough discovered the advance that made the lithium-ion battery -- and the wireless world -- possible. But now another breakthrough is needed.
Jan 2, 2013
The biggest barrier to renewable energy such as solar and wind is storing the electricity it generates. In a university laboratory, a scientist painstakingly re-imagines the battery.
Aug 9, 2012
Wangxiang Group, China's biggest auto-parts conglomerate, has offered $450 million for a controlling stake in a Massachusetts electric car batteries company.
Jul 2, 2012
Author Andrew Blum takes a peek behind the screens and traces the "Tubes" that connect us to one another.