This battery stretches to more than 150 percent of its original size, while remaining capable of powering devices.
New battery technology could double the energy density of top-of-the line lithium-ion batteries.
Scientists used Kevlar to create a thin membrane with holes large enough to allow lithium ions pass through and create a charge.
Scientists have wound carbon nanotube composite yarns around lithium-ion battery fibers and woven them into cotton fiber to create a battery.
A new renewable battery is made from liquid waste that results from paper processing.
Disappointed by the performance of your latest folded effort? Fear not: This new kit will juice it up in a jiffy.