Posts Tagged ‘graphene’
To let graphene boost batteries, add boron
RICE (US) — Calculations show that a graphene/boron anode should be able to hold lots of lithium and perform at the right voltage for use in lithium-ion batteries. Continue…
Friday, May 17, 2013 8:54 - 1 Comment
Top Stories - Mar 29, 2013 9:42 - 0 Comments
Even graphene has weak spots
RICE (US) — Even the Superman of materials has its kryptonite—defects in polycrystalline graphene will sap its strength. (more…)
Science & Technology - Mar 25, 2013 14:55 - 1 Comment
Hybrid ribbons give batteries oomph
RICE (US) — Hybrid ribbons thousands of times thinner than a sheet of paper could speed the development of powerful lithium-ion batteries, researchers report. (more…)
Science & Technology - Jan 28, 2013 17:00 - 0 Comments
Graphene combo could shrink electronics
RICE (US) — Scientists have taken an important step toward the creation of two-dimensional electronics with a process to make patterns in atom-thick layers that combine a conductor and an insulator. (more…)
Earth & Environment - Jan 9, 2013 15:21 - 3 Comments
Graphene flakes soak up radioactive waste
RICE (US) — Researchers are “amazed” by graphene oxide’s ability to quickly remove radioactive material from contaminated wastewater. (more…)
Top Stories - Dec 6, 2012 17:40 - 1 Comment
Cork inspires first 3D graphene blocks
MONASH (AUS) — A new way to shape graphene, which normally exists in very thin layers, into useful 3D forms mirrors the structure of cork. (more…)
Science & Technology - Nov 27, 2012 14:20 - 0 Comments
Towers of nanotubes sprout from graphene
RICE (US) — Chemists have successfully grown forests of carbon nanotubes that rise quickly from sheets of graphene to astounding lengths of up to 120 microns. (more…)
Science & Technology - Oct 17, 2012 14:52 - 1 Comment
New fuel cell catalyst competes with platinum
BROWN (US) — A new, inexpensive catalyst for hydrogen fuel cells could put platinum out of business, say researchers who’ve developed an alternative out of cobalt, graphene, and cobalt-oxide. (more…)
Science & Technology - Oct 10, 2012 14:56 - 0 Comments
Light up graphene for circuits on demand
RICE (US) — Scientists are developing a new way to use light to dope graphene, the ultrastrong, highly conductive, single-atom-thick form of carbon. (more…)
Science & Technology - Oct 4, 2012 13:40 - 4 Comments
Graphene coating stops corrosion 100x better
MONASH (AUS) / RICE (US) — Extremely thin graphene films can make copper almost 100 times more resistant to corrosion, research shows. (more…)
Science & Technology - Oct 2, 2012 15:04 - 0 Comments
Crystal with defect heals its own ‘scars’
U. CHICAGO / SYRACUSE U. / NYU (US) — Scientists have created a defect in the structure of a single-layer crystal by simply inserting an extra particle, and then watching as the crystal “heals” itself. (more…)
Science & Technology - Sep 5, 2012 15:56 - 2 Comments
Circuits so thin they float on water
CORNELL (US) — Integrated silicon circuits, present in everything from coffeemakers to computers, are very thin—but researchers think they can push thin-film boundaries to the single-atom level. (more…)
Science & Technology - Jun 27, 2012 12:00 - 0 Comments
Souped-up Edison battery charges in 2 minutes
STANFORD (US) — Researchers have developed a high-performance version of the nickel-iron battery designed by Thomas Edison more than a century ago. (more…)
Science & Technology - Jun 13, 2012 10:50 - 0 Comments
Copper-core nanocable may store more energy
RICE (US) — Researchers have created a tiny coaxial cable that is about a thousand times smaller than a human hair and has higher capacitance than previous microcapacitors. (more…)
Science & Technology - Jun 5, 2012 12:12 - 0 Comments
2-layer graphene lets device see more light
U. MARYLAND (US) — A new device that features two layers of graphene is able to detect a broad range of light energies and could help scientists study dark energy and the structure of the universe. (more…)
Science & Technology - May 18, 2012 15:24 - 4 Comments
Graphene coat could rust-proof steel
U. BUFFALO (US) — A non-toxic, graphene-based composite for rust-proofing steel is in the works, and could replace the current coatings, which contain a probable carcinogen. (more…)
Science & Technology - Apr 4, 2012 15:24 - 1 Comment
Give graphene a squeeze to get electricity
STANFORD (US) — To the long list of exceptional physical properties of graphene, engineers have added yet another: piezoelectricity. (more…)
Science & Technology - Apr 2, 2012 10:16 - 1 Comment
Mount graphene to put brake on electrons
U. ARIZONA (US) — Graphite, more commonly known as pencil lead, could become the next big thing in the quest for smaller and less power-hungry electronics. (more…)
Top Stories - Mar 19, 2012 9:31 - 0 Comments
For designer molecules, trick the electrons
STANFORD (US) — Scientists have created the first-ever system of “designer electrons”—exotic variants of ordinary electrons with tunable properties. (more…)
