Energy Storage

Our September issue of Battery Technology highlighted rechargeable cement-based batteries that can be utilized as functional concrete. The achievement from Chalmers University of Technology, according to the battery’s developers, lays the groundwork for entire buildings that could someday...

Our Question of the Week focuses on today’s lead story – the creation of an aluminum test area that wirelessly powered lamps, fans, and cell phones.

Engineers at the University of California San Diego developed a thin, flexible strip that can be worn on a fingertip and generate small amounts of electricity when a person’s finger sweats or presses on it. (Watch the demo on Tech Briefs TV.)

A July Tech Brief highlights a “structural battery” from the Chalmers University of Technology that uses carbon fiber as a negative electrode and a lithium iron phosphate-coated aluminum foil as the positive electrode. The battery works as both a power source and as part of the main...