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135 Current news about the topic graphiterss
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Researchers fabricate Li-ion battery electrodes with Si swarf/graphite sheet composites, achieving high performance, reduced cost, and environmental friendliness
Li-ion batteries (LIBs) are widely used in various mobile electronics. Concerns of global warming and climate change have recently boosted the demand for LIBs in electric vehicles and solar photovoltaic output smoothing. Si has been studied as an active material with a high theoretical capacity ...
A novel and inexpensive coal-conversion technology
Using copper foil, glass containers and a conventional household microwave oven, University of Wyoming researchers have demonstrated that pulverized coal powder can be converted into higher-value nano-graphite. The discovery is another step forward in the effort to find alternative uses for ...
Why do certain materials emit electrons with a very specific energy?
It is something quite common in physics: electrons leave a certain material, they fly away and then they are measured. Some materials emit electrons, when they are irradiated with light. These electrons are then called "photoelectrons". In materials research, so-called "Auger electrons" also play ...
An electric vehicle with such a battery could travel 600 miles on a single charge
Electric vehicles are gaining in popularity, but their long charging time is a significant detraction for potential customers. While a typical SUV with a combustion engine could travel 300 miles with a five-minute refuel, a state-of-the-art electric vehicle takes about one hour to store enough ...
Innovative coating for bipolar plates in fuel cells
Electric cars which can be filled up within five minutes, reach ranges like a diesel and yet drive "cleanly": This is already being achieved by hydrogen fuel cell vehicles today. However, so far they are still rare and expensive. Apart from efficiency problems, this is due, among other things, to ...
New technique does not require the typical metal catalysts or special raw materials to turn carbon into crystalline graphite
Curtin University researchers have unexpectedly discovered a new way to make crystalline graphite, an essential material used in the making of lithium ion batteries. Described in a research paper published in Nature's Communications Materials, the new technique does not require the typical metal ...
Comprehensive view on the driving forces of the complex processes occurring during the transformation of graphite into graphene oxide
A paper by Kazan Federal University appeared in early access in Carbon. Project lead Ayrat Dimiev has been working on this topic since 2012, when he was a part of Professor James Tour's group at Rice University. First results saw light in 2014. That paper, which has amassed 490 citations at this ...
Physicists from the Moscow Institute of Physics and Technology and the Institute for High Pressure Physics of the Russian Academy of Sciences have used computer modeling to refine the melting curve of graphite that has been studied for over 100 years, with inconsistent findings. They also found ...
Graphene is actually a 3D material as well as a 2D material, according to a new study from Queen Mary University of London. Realising that it is a 3D material is important for understanding its mechanical properties and for developing novel graphene-based devices. Often hailed as a 'wonder ...
Scientists are making graphene easier and more environmentally friendly to produce
In order to create new and more efficient computers, medical devices, and other advanced technologies, researchers are turning to nanomaterials: materials manipulated on the scale of atoms or molecules that exhibit unique properties. Graphene--a flake of carbon as thin as a single later of ...