Sodium-ion battery cathode has highest energy density to date
Scientists grow ultrahigh-purity carbon nanotubes
Sodium-air battery offers rechargeable advantages compared to Li-air batteries
Semiconductor 'shish kabob' nanostructures combine properties from different dimensions
Researchers discover promising hydrogen storage material
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.
Engineering researchers develop next-generation battery
(Phys.org) —A research team from the University of Alberta has used carbon nanomaterials to develop next-generation batteries capable of charging faster and lasting longer than today's standard lithium-ion ...
New battery design could help solar and wind power the grid
(Phys.org) —Researchers from the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory and Stanford University have designed a low-cost, long-life battery that could enable solar and wind ...
Watching electrons move in topological insulators with femtosecond resolution
Topological insulators are exotic materials, discovered just a few years ago, that hold great promise for new kinds of electronic devices. The unusual behavior of electrons within them has been very difficult ...
All-optical magnetic switching promises terahertz-speed hard drive and RAM memory
(Phys.org) —Researchers at the Ames Laboratory, Iowa State University, and the University of Crete in Greece have found a new way to switch magnetism that is at least 1000 times faster than currently used ...
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 ...
Surprising turns in magnetic thin films could lead to better data storage
A magnetic phenomenon newly discovered by MIT researchers could lead to much faster, denser and more energy-efficient chips for memory and computation.
Observing electrons in real-time could lead to faster computing
(Phys.org) —New research revealing the interactions between electrons and organic carrier materials in devices that use electron spin to encode information could help in the development of faster and more ...
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.