Researchers have developed high volumetric-energy-density and long-life lithium sulfur (Li-S) batteries based on the free-standing, densely compact, and integrated cathode.... nanowerk · 4 months
Hydrophobic silica colloid electrolyte holds promise for safer lithium-oxygen batteries  PHYS.ORG · 3 weeks
Traditional lithium-ion (Li-ion) batteries cannot satisfy increasing demand for large-scale electricity consumption. Rechargeable aprotic lithium-oxygen (Li-O2) batteries have become potential candidates due to their ultrahigh theoretical energy density,... more
Nanoparticles in lithium-sulphur batteries detected with neutron experiment  PHYS.ORG · 1 week
Lithium-sulphur batteries are regarded as one of the most promising candidates for the next generation of energy storage devices. They have a theoretical gravimetric energy density that is five times higher than... more
Dangerous wild grass will be used in batteries  PHYS.ORG · 3 weeks
Hogweed, which grows over vast areas of Russia, can be useful as a material for batteries. Scientists from NUST MISIS have investigated the possibilities of fibrous substances in the plant stems. They... more
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After years of tackling numerous design and manufacturing challenges, MIT researchers have built a modern microprocessor from carbon nanotube transistors, which are widely seen as a faster, greener alternative to their traditional... more
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The construction of atomically precise carbon nanostructures holds promise for developing materials for scientific study and nanotechnology applications. Here, we show that graphene origami is an efficient way to convert graphene into atomically precise, complex nanostructures.... more
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Since its rediscovery and characterization in 2004, graphene has been the focus of countless research efforts across multiple fields. It is a versatile material consisting of... more
New carbon nanotube material is the blackest black to date  nanowerk · 3 days
The new coating is 10 times darker than other very black materials. more
Conductivity at the edges of graphene bilayers  PHYS.ORG · 5 days
The conductivity of dual layers of graphene greatly depends on the states of carbon atoms at their edges; a property which could have important implications for information transmissions on quantum scales. more
New technique converts eggshells into bulky nanoporous graphene and pure hydrogen  PHYS.ORG · 3 weeks
A recent study, affiliated with UNIST has unveiled a new way to turn discarded eggshells into hydrogen, an innovative and alternative energy for the future. The... more
Would a carbon tax help to innovate more-efficient energy use?  PHYS.ORG · 3 weeks
Taxing carbon emissions would drive innovation and lead to improved energy efficiency, according to a new paper published in Joule from Carnegie's Rong Wang (now at Fudan University),... more
Carbon nanotube breathalyzer can detect marijuana  nanowerk · 3 weeks
Researchers developed a breathalyzer device that can measure the amount of tetrahydrocannabinol (THC), the psychoactive compound in marijuana, in the user's breath. more
Quantum Hall-based superconducting interference device  Science Magazine · 3 days
We present a study of a graphene-based Josephson junction with dedicated side gates carved from the same sheet of graphene as the junction itself. These side gates are highly efficient and allow us to modulate carrier density along... more
New rechargeable aqueous battery challenges Lithium-ion dominance  SCIENCE DAILY · 4 weeks
A new rechargeable high voltage manganese dioxide zinc battery exceeds the 2 V barrier in aqueous zinc chemistry. With a voltage of 2.45-2.8V, the alkaline MnO2|Zn battery could break the long dominance of flammable... more
New process advances the field of carbon utilization  PHYS.ORG · 3 weeks
In an effort to develop sustainable solutions to humanity's energy needs, many scientists are studying carbon capture and utilization—the practice of using excess carbon dioxide in the atmosphere or from point sources,... more
Producing protein batteries for safer, environmentally friendly power storage  SCIENCE DAILY · 3 weeks
Proteins are good for building muscle, but their building blocks also might be helpful for building sustainable organic batteries that could someday be a viable substitute for conventional lithium-ion batteries,... more
Speeding up hydrogen production by the magic topological surface states  PHYS.ORG · 3 weeks
The hydrogen economy is considered to be one of the best options for providing renewable energy and, thereby, contributing to mitigating today's environmental challenges. The energy density of... more
Conductivity at the edges of graphene bilayers  SCIENCE DAILY · 5 days
For nanoribbons of bilayer graphene, whose edge atoms are arranged in zigzag patterns, the bands of electron energies which are allowed and forbidden are significantly different to those found in monolayer graphene. This causes... more
Conductivity at the edges of graphene bilayers  nanowerk · 5 days
For nanoribbons of bilayer graphene, whose edge atoms are arranged in zigzag patterns, the bands of electron energies which are allowed and forbidden are significantly different to those found in monolayer graphene. This causes... more
Producing protein batteries for safer, environmentally friendly power storage  PHYS.ORG · 3 weeks
Proteins are good for building muscle, but their building blocks also might be helpful for building sustainable organic batteries that could someday be a viable substitute for conventional lithium-ion batteries,... more
New study reveals graphenes now go monolayer and single crystalline  PHYS.ORG · 3 weeks
An international team of researchers, led by Distinguished Professor Rodney S. Ruoff (School of Natural Sciences) from the Center for Multidimensional Carbon Materials (CMCM), within the Institute for... more
Study reveals 'radical' wrinkle in forming complex carbon molecules in space  PHYS.ORG · 2 weeks
A team of scientists has discovered a new possible pathway toward forming carbon structures in space using a specialized chemical exploration technique at the Department of... more
Paramagnon drag in high thermoelectric figure of merit Li-doped MnTe  Science Magazine · 3 days
Local thermal magnetization fluctuations in Li-doped MnTe are found to increase its thermopower α strongly at temperatures up to 900 K. Below the Néel temperature (TN ~ 307... more
Medical News Today: Can graphene help fight mosquito bites?  MNT · 2 weeks
Mosquitos transmit a significant number of serious diseases. Preventing them from biting is difficult, but some researchers think graphene may hold clues. more
Nanoparticles in lithium-sulphur batteries detected with neutron experiment  nanowerk · 1 week
Researchers have for the first time precisely analysed how nanoparticles of lithium sulphide and sulphur precipitate onto battery electrodes during the course of the charging cycle. The results can help increase the... more
Nanoparticles in lithium-sulphur batteries detected with neutron experiment  SCIENCE DAILY · 1 week
A team has for the first time precisely analyed how nanoparticles of lithium sulphide and sulphur precipitate onto battery electrodes during the course of the charging cycle. The results can help increase... more
Graphene sets the stage for the next generation of THz astronomy detectors  SCIENCE DAILY · 5 days
Researchers have demonstrated a detector made from graphene that could revolutionize the sensors used in next-generation space telescopes. more
Graphene sets the stage for the next generation of THz astronomy detectors  nanowerk · 5 days
Researchers have demonstrated a detector made from graphene that could revolutionize the sensors used in next-generation space telescopes. more
Graphene shield shows promise in blocking mosquito bites  nanowerk · 3 weeks
Project shows graphene could provide alternative to chemicals in insect repellant and protective clothing. more
Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor  Science Magazine · 3 weeks
Charge density modulations have been observed in all families of high–critical temperature (Tc) superconducting cuprates. Although they are consistently found in the... more
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