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
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 ...
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 ...
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 ...
Hybrid ribbons a gift for powerful batteries: Vanadium oxide - graphene material works well for lithium-ion storage
Hybrid ribbons of vanadium oxide (VO2) and graphene may accelerate the development of high-power lithium-ion batteries suitable for electric cars and other demanding applications.
Researchers develop graphene supercapacitor holding promise for portable electronics
(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...
Researchers create 'nanoflowers' for energy storage, solar cells
(Phys.org)—Researchers from North Carolina State University have created flower-like structures out of germanium sulfide (GeS) – a semiconductor material – that have extremely thin petals with an enormous ...
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.
Activated graphene makes superior supercapacitors for energy storage
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have helped to uncover the nanoscale structure of a novel form of carbon, contributing to an explanation of why ...