Wires turn salt water into freshwater
Paper-thin supercapacitor has higher capacitance when twisted than any non-twisted supercapacitor
3D graphene: Solar cells' new platinum?
One of the most promising types of solar cells has a few drawbacks. A scientist at Michigan Technological University may have overcome one of them.
Researchers print transistor on nearly transparent nanopaper
James' bond: A graphene / nanotube hybrid
(Phys.org)—A seamless graphene/nanotube hybrid created at Rice University may be the best electrode interface material possible for many energy storage and electronics applications.
Durable carbon nanotube sensors can be etched with mechanical pencils
Carbon nanotubes offer a powerful new way to detect harmful gases in the environment. However, the methods typically used to build carbon nanotube sensors are hazardous and not suited for large-scale production.
Komaba Group reports sodium ion battery progress
Hybrid copper-gold nanoparticles convert CO2
Copper -- the stuff of pennies and tea kettles -- is also one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy. When fashioned into an electrode and stimulated ...
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 ...
Improving batteries' energy storage
MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy ...
'Express lanes' for ions: By aligning carbon nanotubes in electrodes, researchers boost performance
Actuators are devices that convert electrical energy into mechanical energy, such as the battery-powered device inside a cell phone that causes the phone to vibrate. When this process is reversed -- when a ...
Using carbon nanotubes in lithium batteries can dramatically improve energy capacity
Batteries might gain a boost in power capacity as a result of a new finding from researchers at MIT. They found that using carbon nanotubes for one of the battery's electrodes produced a significant increase — up to tenfold ...
Copper Nanowires Enable Bendable Displays, Solar Cells
(PhysOrg.com) -- A team of Duke University chemists has perfected a simple way to make tiny copper nanowires in quantity. The cheap conductors are small enough to be transparent, making them ideal for thin-film ...
Graphene: Can the Newest Form of Carbon Be Made to Bend, Twist and Roll
(PhysOrg.com) -- Can graphene -- a newly discovered form of pure carbon that may one day replace the silicon in computers, televisions, mobile phones and other common electronic devices -- be made to bend, ...