News tagged with graphite
Related topics: graphene , carbon , diamonds , carbon atoms
New charging method could greatly reduce battery recharge time
(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed ...
Mar 11, 2010 |
4.7 / 5 (25) |
14
|
A huge step toward mass production of graphene
Scientists have leaped over a major hurdle in efforts to begin commercial production of a form of carbon that could rival silicon in its potential for revolutionizing electronics devices ranging from supercomputers ...
Nanotechnology / Nanomaterials
Mar 10, 2010 |
3.7 / 5 (14) |
0
Producing graphene layers using crystallization
(PhysOrg.com) -- Ever since it's relatively recent discovery, graphene has generated a great deal of interest. Graphene is extracted from graphite in many cases, and consists of a sheet of carbon atoms bound together in a ...
Nanotechnology / Nanomaterials
Mar 02, 2010 |
4.7 / 5 (12) |
1
|
Panasonic's Si-alloy anode technology to offer 30% increase in battery capacity
(PhysOrg.com) -- One promising modification to next-generation rechargeable Li-ion batteries involves using Si-alloy anodes instead of graphite, which is currently the most common anode material. Many battery ...
Mar 01, 2010 |
4.7 / 5 (11) |
0
|
A Stellar, Metal-Free Way to Make Carbon Nanotubes
(PhysOrg.com) -- Space apparently has its own recipe for making carbon nanotubes, one of the most intriguing contributions of nanotechnology here on Earth, and metals are conspicuously missing from the list ...
Nanotechnology / Nanomaterials
Feb 22, 2010 |
4.8 / 5 (12) |
1
|
Meteorite yields carbon crystals harder than diamond
(PhysOrg.com) -- Two new types of ultra-hard carbon crystals have been found by researchers investigating the ureilite class Haverö meteorite that crashed to Earth in Finland in 1971. Ureilite meteorites are ...
Feb 03, 2010 |
4.6 / 5 (41) |
2
|
Graphite oxide at high pressure opens a road to new amazing nano-materials
(PhysOrg.com) -- New results by scientists at Umeľ University, Sweden, show that not only water but also alcohol solvents can be inserted to expand the structure of graphite oxide under high pressure conditions. The ...
Nanotechnology / Nanomaterials
Dec 21, 2009 |
5 / 5 (4) |
2
Researchers invent new method for graphene growth
(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (24) |
0
How Perfect Can Graphene Be?
(PhysOrg.com) -- Physicists have investigated the purest graphene to date, and have found that the material possesses unprecedented high electronic quality. The discovery has raised the bar for this relatively ...
Nanotechnology / Nanomaterials
Oct 13, 2009 |
4.5 / 5 (31) |
5
Graphite mimics iron's magnetism
Researchers of Eindhoven University of Technology and the Radboud University Nijmegen in The Netherlands show for the first time why ordinary graphite is a permanent magnet at room temperature. The results ...
Oct 04, 2009 |
4.6 / 5 (17) |
1
Self-validating thermocouples based on metal-carbon eutectic fixed points
When used at high temperatures (above 1100 °C) thermocouples are prone to substantial calibration drift. To gauge the extent of the drift, for example, in an industrial setting, it is highly desirable for ...
Oct 02, 2009 |
not rated yet |
0
Increasing Electric Car Battery Performance
(PhysOrg.com) -- Researchers have found that by replacing conventional graphite electrodes with silicon nanotube electrodes, lithium-ion batteries can store 10 times more charge.
Nanotechnology / Nanomaterials
Sep 23, 2009 |
4.5 / 5 (20) |
10
Making more efficient fuel cells
Bacteria that generate significant amounts of electricity could be used in microbial fuel cells to provide power in remote environments or to convert waste to electricity. Professor Derek Lovley from the University of Massachusetts, ...
Sep 07, 2009 |
4.5 / 5 (2) |
1
Carbon nanoballs as data storage units
Small, smaller, "nano" data storage! Interest is growing in the use of metallofullerenes - carbon “cages” with embedded metallic compounds - as materials for miniature data storage devices. Researchers at ...
Sep 01, 2009 |
4.8 / 5 (52) |
4
Camera flash turns an insulating material into a conductor
An insulator can now be transformed to conduct electricity by an ordinary camera flash.
Aug 12, 2009 |
5 / 5 (6) |
0
