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.
Harnessing the potential of quantum tunneling: Transistors without semiconductors
(Phys.org) —For decades, electronic devices have been getting smaller, and smaller, and smaller. It's now possible—even routine—to place millions of transistors on a single silicon chip.
Scientists grow ultrahigh-purity carbon nanotubes
Small-molecule solar cells get 50% increase in efficiency with optical spacer
Researchers speed up transistors by embedding tunneling field-effect transistor
New flow battery could enable cheaper, more efficient energy storage
MIT researchers have engineered a new rechargeable flow battery that doesn't rely on expensive membranes to generate and store electricity. The device, they say, may one day enable cheaper, large-scale energy ...
Wires turn salt water into freshwater
Engineer brings new twist to sodium-ion battery technology with discovery of flexible molybdenum disulfide electrodes
(Phys.org) —A Kansas State University engineer has made a breakthrough in rechargeable battery applications.
Champion nano-rust for producing solar hydrogen
EPFL and Technion researchers have figured out the "champion" nanostructures able to produce hydrogen in the most environmentally friendly and cheap manner, by simply using daylight.
Drinking water from the sea: Electrochemically mediated seawater desalination in microfluidic systems
(Phys.org) —A new method for the desalination of sea water has been reported by a team of American and German researchers in the journal Angewandte Chemie. In contrast to conventional methods, this techni ...
Helicopter takes to the skies with the power of thought (w/ Video)
A remote controlled helicopter has been flown through a series of hoops around a college gymnasium in Minnesota. It sounds like your everyday student project; however, there is one caveat… the helicopter ...
Sodium-ion battery cathode has highest energy density to date
Scientists invent self-healing battery electrode
Researchers have made the first battery electrode that heals itself, opening a new and potentially commercially viable path for making the next generation of lithium ion batteries for electric cars, cell ...
Composite battery boost
(Phys.org) —New composite materials based on selenium (Se) sulfides that act as the positive electrode in a rechargeable lithium-ion (Li-ion) battery could boost the range of electric vehicles by up to ...