A thin-film printed battery, designed for one-time use after activation by a few drops of water, has minimal environmental impact when it is exhausted. The need for single-use, low-capacity batteries.

The paper battery achieves an open circuit voltage of 1.8 volts, a 1.0-volt current density of 100 mA/cm², and a maximum output of 103 milliwatts/cm². The battery is eco-friendly, using carbon ...

Could the solution to the impending battery crunch be... origami? Scientists at Arizona State University have created a lithium-ion battery out of carbon nanotube-coated paper -- and then, by folding ...