Sand-based lithium ion batteries that outperform standard by three times
(Phys.org) —Researchers at the University of California, Riverside's Bourns College of Engineering have created a lithium ion battery that outperforms the current industry standard by three times. The key ...
New 'pomegranate-inspired' design solves problems for lithium-ion batteries
with silicon nanoparticles clustered like seeds in a tough carbon rind – overcomes several remaining obstacles to using silicon for a new generation of lithium-ion batteries, say its inventors at Stanford ...
IBM introduces new graphene transistor
New way to extract light from semiconductors could lead to ultra-high efficiency LEDs
Caltech engineers invent light-focusing device
(Phys.org)—As technology advances, it tends to shrink. From cell phones to laptops—powered by increasingly faster and tinier processors—everything is getting thinner and sleeker. And now light beams ...
Taming the wild phonon
(PhysOrg.com) -- Researchers at MIT and elsewhere have succeeded in creating a synthetic crystal that can very effectively control the transmission of heat -- stopping it in its tracks and reflecting it back. ...
New 'frozen smoke' material: One ounce could carpet three football fields
Scientists are reporting the development of a new, ultra-light form of "frozen smoke" -- renowned as the world's lightest solid material -- with amazing strength and an incredibly large surface area.
Towards more efficient solar cells
A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, ...
Scientists improve chip memory by stacking cells
(PhysOrg.com) -- Scientists at Arizona State University have developed an elegant method for significantly improving the memory capacity of electronic chips.
Nanotechnologists form near-frictionless diamond material
Researchers at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research-Zürich have fabricated an ultra sharp, diamond-like carbon tip possessing such high strength that it is ...
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Water could hold answer to graphene nanoelectronics
Researchers at Rensselaer Polytechnic Institute developed a new method for using water to tune the band gap of the nanomaterial graphene, opening the door to new graphene-based transistors and nanoelectronics.
Water-soluble silicon leads to dissolvable electronics
Researchers produce ultra-light aerogel
A research team headed by Professor Gao Chao have developed ultra-light aerogel – it breaks the record of the world's lightest material with surprising flexibility and oil-absorption. This progress is published ...