Sponge-like graphene makes promising supercapacitor electrodes
Flexible, paper-based supercapacitor could improve performance of hybrid electric vehicles
Could hemp nanosheets topple graphene for making the ideal supercapacitor?
As hemp makes a comeback in the U.S. after a decades-long ban on its cultivation, scientists are reporting that fibers from the plant can pack as much energy and power as graphene, long-touted as the model ...
High-performance capacitor could lead to better rechargeable batteries
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.
Paper-thin supercapacitor has higher capacitance when twisted than any non-twisted supercapacitor
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 ...
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.
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 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.
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 ...
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.
Engineers craft new material for high-performing 'supercapacitors'
Taking a significant step toward improving the power delivery of systems ranging from urban electrical grids to regenerative braking in hybrid vehicles, researchers at the UCLA Henry Samueli School of Engineering ...