Sponge-like graphene makes promising supercapacitor electrodes
Flexible, paper-based supercapacitor could improve performance of hybrid electric vehicles
High-performance capacitor could lead to better rechargeable batteries
Paper-thin supercapacitor has higher capacitance when twisted than any non-twisted supercapacitor
Crumpled graphene could provide an unconventional energy storage
When someone crumples a sheet of paper, that usually means it's about to be thrown away. But researchers have now found that crumpling a piece of graphene "paper"—a material formed by bonding together layers ...
Improved supercapacitors for super batteries, electric vehicles
Researchers at the University of California, Riverside have developed a novel nanometer scale ruthenium oxide anchored nanocarbon graphene foam architecture that improves the performance of supercapacitors, ...
Flexible supercapacitor raises bar for volumetric energy density
Scientists have taken a large step toward making a fiber-like energy storage device that can be woven into clothing and power wearable medical monitors, communications equipment or other small electronics.
Flexible battery, no lithium required
(Phys.org) —A Rice University laboratory has flexible, portable and wearable electronics in its sights with the creation of a thin film for energy storage.
Trees go high-tech: Process turns cellulose into energy storage devices
Based on a fundamental chemical discovery by scientists at Oregon State University, it appears that trees may soon play a major role in making high-tech energy storage devices.
Energy storage in miniaturized capacitors may boost green energy technology
"Supercapacitors" take the energy-storing abilities of capacitors (which store electrical charge that can be quickly dumped to power devices) a step further, storing a far greater charge in a much smaller ...
New device stores electricity on silicon chips
(Phys.org) —Solar cells that produce electricity 24/7, not just when the sun is shining. Mobile phones with built-in power cells that recharge in seconds and work for weeks between charges.
High school student develops supercapacitor, wins Young Scientist Award
Small in size, big on power: New microbatteries the most powerful yet
(Phys.org) —Though they be but little, they are fierce. The most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered ...
Manganese dioxide nanorod technology could lead to a better capacitor
(Phys.org) —A new process for growing forests of manganese dioxide nanorods may lead to the next generation of high-performance capacitors.