Current Cobalt News and Events

Current Cobalt News and Events, Cobalt News Articles.
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Story tips: Modeling COVID, permafrost lost and taking the heat
ORNL story tips: Modeling COVID, permafrost lost and taking the heat. (2021-02-16)

The first steps toward a quantum brain
An intelligent material that learns by physically changing itself, similar to how the human brain works, could be the foundation of a completely new generation of computers. Radboud physicists working toward this so-called 'quantum brain' have made an important step. They have demonstrated that they can pattern and interconnect a network of single atoms, and mimic the autonomous behaviour of neurons and synapses in a brain. (2021-02-01)

Skoltech team developed on-chip printed 'electronic nose'
Skoltech researchers and their colleagues from Russia and Germany have designed an on-chip printed 'electronic nose' that serves as a proof of concept for low-cost and sensitive devices to be used in portable electronics and healthcare. (2021-01-28)

Scientists discover how remdesivir works to inhibit coronavirus
By pinning down the exact mechanism by which remdesivir shuts down SARS-CoV-2's process of copying genetic material, scientists now have clues to make even more effective antivirals to fight COVID-19. Better antivirals could become urgently needed if new strains of the virus have the ability to overcome current antivirals and vaccines. They could also help in future outbreaks if entirely new coronaviruses leap from animals to humans again. (2021-01-28)

Russian chemists developed polymer cathodes for ultrafast batteries
Russian researchers have synthesized and tested new polymer-based cathode materials for lithium dual-ion batteries. The tests showed that the new cathodes withstand up to 25,000 operating cycles and charge in a matter of seconds, thus outperforming lithium-ion batteries. The cathodes can also be used to produce less expensive potassium dual-ion batteries. (2021-01-19)

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety
Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of Penn State engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes. (2021-01-18)

Sensei RNA: Iron fist in a velvet glove
Scientific pursuit has the habit of offering chance discoveries if we think about things differently. Here is a story behind one serendipitous discovery from the lab of Arati Ramesh at NCBS, Bangalore. (2021-01-18)

How 'Iron Man' bacteria could help protect the environment
In a new study, researchers show that microbes are capable of an incredible feat that could help reclaim a valuable natural resource and soak up toxic pollutants. (2021-01-08)

Researchers question fundamental study on the Kondo effect
In 1998, spectroscopic studies on the Kondo effect using scanning tunnelling microscopy were published, which are considered ground-breaking and have triggered countless others of a similar kind. Many of these studies may have to be re-examined now that researchers from Jülich, Germany have shown that the Kondo effect cannot be proven beyond doubt by this method. Instead, another phenomenon is creating precisely the spectroscopic ''fingerprint'' that was previously attributed to the Kondo effect. (2021-01-07)

Better together: Scientists discover applications of nanoparticles with multiple elements
As catalysts for fuel cells, batteries and processes for carbon dioxide reduction, alloy nanoparticles that are made up of five or more elements are shown to be more stable and durable than single-element nanoparticles. (2021-01-04)

Record-setting thermoelectric figure of merit achieved for metal oxides
Scientists at Hokkaido University have developed a layered cobalt oxide with a record-setting thermoelectric figure of merit, which can be used to enhance thermoelectric power generation. (2020-12-22)

Exposure to metals can impact pregnancy
Exposure to metals such as nickel, arsenic, cobalt and lead may disrupt a woman's hormones during pregnancy, according to a Rutgers study. (2020-12-21)

New class of cobalt-free cathodes could enhance energy density of next-gen lithium-ion batteries
Oak Ridge National Laboratory researchers have developed a new family of cathodes with the potential to replace the costly cobalt-based cathodes typically found in today's lithium-ion batteries that power electric vehicles and consumer electronics. (2020-12-18)

Catalytic activity of individual cobalt oxide nanoparticles determined
Precious metal-free nanoparticles could serve as powerful catalysts in the future, for example for hydrogen production. To optimize them, researchers must be able to analyze the properties of individual particles. A new method for this has been suggested by a team from Ruhr-Universität Bochum and from the University of Duisburg-Essen. The group developed a method using a robotic arm that allows them to select individual particles under an electron microscope and place them on a nanoelectrode for electrochemical analysis. (2020-12-15)

A standout superalloy
In recent years, it has become possible to use laser beams and electron beams to ''print'' engineering objects with complex shapes that could not be achieved by conventional manufacturing. The additive manufacturing (AM) process, or 3D printing, for metallic materials involves melting and fusing fine-scale powder particles -- each about 10 times finer than a grain of beach sand -- in sub-millimeter-scale ''pools'' created by focusing a laser or electron beam on the material. (2020-12-08)

Vitamin boosts essential synthetic chemistry
Inspired by light-sensing bacteria that thrive near hot oceanic vents, synthetic chemists use vitamin B12 to catalyze valuable hydrocarbons known as olefins, or alkenes. The mild process eliminates harsh chemicals typically needed to make precursor molecules for the manufacture of drugs and agrochemicals. (2020-12-08)

Observing the ultrafast motion of atoms and electrons
Photo-induced electron transfer is central to numerous physical processes, for instance in the magnetization of materials. The quest to understand and control this ultrafast process has long been pursued in vain, with no answer to the question of whether electrons induce atomic motion, or vice versa. To answer this question, the atomic equivalent of the paradox of the chicken and the egg, a consortium of scientists used an X-ray laser (X-FEL) located in Stanford. (2020-12-07)

Thermal stability analysis technique for EV batteries to detect risk of fire or explosion
Recently, there have been a number of electric vehicle (EV) battery fire incidents. Unlike the batteries used in small mobile devices, such as smartphones, the battery pack of an EV is composed of hundreds of battery cells, and any instability can cause major casualties and property damage. Amid various efforts to pinpoint the cause of battery fires, Korean researchers have developed a new analysis method to evaluate the thermal stability of EV batteries. (2020-12-04)

Magnetic vortices come full circle
The first experimental observation of three-dimensional magnetic 'vortex rings' provides fundamental insight into intricate nanoscale structures inside bulk magnets, and offers fresh perspectives for magnetic devices. (2020-11-30)

UCF researcher zeroes in on critical point for improving superconductors
Developing a practical ''room temperature'' superconductor is a feat science has yet to achieve. However a UCF researcher and his colleagues are working to move this goal closer to realization by taking a closer look at what is happening in ''strange'' metals. The research was published recently in the journal Communications Physics - Nature. (2020-11-23)

Largest aggregation of fishes in abyssal deep sea recorded by UH researchers
The largest aggregation of fishes ever recorded in the abyssal deep sea was discovered by a team of oceanographers during an expedition in the Clarion Clipperton Zone. Their findings were published recently in Deep-Sea Research. (2020-11-23)

Highly efficient, long-lasting electrocatalyst to boost hydrogen fuel production
The IBS research team developed a highly efficient and long-lasting electrocatalyst for water oxidation using cobalt, iron, and a minimal amount of ruthenium. (2020-11-20)

A filter for environmental remediation
Scientists at Osaka University discovered a new method for producing sodium titanate mats nanostructured in a seaweed-like morphology for filtering heavy metal ions and radioactive materials from water. This work may lead to advances in treating contaminated wastewater. (2020-11-19)

Scientists develop a magnetic switch with lower energy consumption
Joint research conducted by the UAB has shown the ability to switch magnetizacion « on » and « off » using voltage in a new class of easy-to-fabricate materials containing nitrogen. These results, published in Nature Communications, may be used to reduce energy consumption in electronic technologies. (2020-11-18)

Surrey reveals simple method to produce high performing Lithium Selenium batteries
Engineers at the University of Surrey have developed a simple and elegant method of producing high-powered lithium-selenium (Li-Se) batteries. (2020-11-16)

RUDN University chemists developed new magnetic and luminescent lanthanide-siloxane-based compounds
A team of chemists from RUDN University synthesized new organosilicon compounds containing terbium and europium ions. These complexes have an unusual cage-like crystal structure that contains four metal ions. The team was the first to study the magnetic and photophysical properties of such compounds and to observe their magnetic phase transition and luminescence properties. (2020-11-03)

Researchers break magnetic memory speed record
An international team of researchers has created a new technique for magnetization switching -- the process used to ''write'' information into magnetic memory -- that is nearly 100 times faster than state-of-the-art spintronic devices. The advance could lead to the development of ultrafast magnetic memory for computer chips that would retain data even when there is no power. (2020-10-28)

Fast calculation dials in better batteries
A simpler and more efficient way to predict the performance of batteries will lead to better batteries, according to Rice University engineers. (2020-09-16)

Scientists probe the chemistry of a single battery electrode particle both inside and out
Cracks and chemical reactions on a battery particle's surface can degrade performance, and the particle's ability to absorb and release lithium ions also changes over time. Scientists stuck a single particle the size of a red blood cell to the tip of a microscopic needle and probed it with X-rays to see how interior and surface changes influence each other. (2020-09-08)

New insights into lithium-ion battery failure mechanism
Researchers have identified a potential new degradation mechanism for electric vehicle batteries - a key step to designing effective methods to improve battery lifespan. (2020-08-25)

Battery life for wearable electronic devices could be improved
Researchers in WMG and the Department of Physics at the University of Warwick have found that asymmetric stresses within electrodes used in certain wearable electronic devices provides an important clue as to how to improve the durability and lifespan of these batteries. (2020-08-25)

Wireless device makes clean fuel from sunlight, CO2 and water
Researchers have developed a standalone device that converts sunlight, carbon dioxide and water into a carbon-neutral fuel, without requiring any additional components or electricity. (2020-08-24)

Fuel cells for hydrogen vehicles are becoming longer lasting
An international research team led by the University of Bern has succeeded in developing an electrocatalyst for hydrogen fuel cells which, in contrast to the catalysts commonly used today, does not require a carbon carrier and is therefore much more stable. The new process is industrially applicable and can be used to further optimize fuel cell powered vehicles without CO2 emissions. (2020-08-24)

Cyclohexyl phenyl sulfide cleavage studied for degradation of sulfur-containing heavy oil
So far, the KFU team has proven copper compounds are the most effective in producing catalysts for heavy oil extraction. (2020-08-20)

The historical partnership that revolutionized battery research at Argonne
Argonne battery scientist Michael Thackeray highlights the ongoing research into manganese-based lithium-ion batteries, and how his work with Nobel Prize winner John B. Goodenough in the 80s has informed today's studies. (2020-08-18)

Achieving highly efficient ammonia synthesis by altering the rate-determining step
The electrochemical conversion of nitrogen to ammonia is the most promising alternative of the traditional Haber-Bosch process to achieve nitrogen fixation under ambient conditions. In this strategy, activation of high-energy triple-bonds of nitrogen is the most significant bottleneck and is commonly considered as the rate-determining step of ammonia synthesis. Scientists based in China successfully alter the rate-determining step of electrochemical nitrogen reduction, and outline guidance for future design of catalysts. (2020-08-14)

Advance in programmable synthetic materials
DNA information is stored in a sequence of chemical building blocks; computers store information as sequences of zeros and ones. Researchers want to transfer this concept to artificial molecules. UC Berkeley and Ruhr-Universität Bochum researchers have taken another step toward encoding information in the sequence of metal atoms in metal-organic frameworks (MOFs), showing how to read the sequence. Multivariate MOFs could encode digital information, but also conduct programmed chemical modifications or controlled drug release. (2020-08-07)

Deep-sea misconceptions cause underestimation of seabed-mining impacts
A new publication on the impacts of deep-seabed mining by 13 prominent deep-sea biologists, led by University of Hawai'i at Mānoa, seeks to dispel scientific misconceptions that have led to miscalculations of the likely effects of commercial operations to extract minerals from the seabed. (2020-08-07)

Study finds high levels of toxic pollutants in stranded dolphins and whales
Researchers examined toxins in tissue concentrations and pathology data from 83 stranded dolphins and whales from 2012 to 2018. They looked at 11 different animal species to test for 17 different substances. The study is the first to report on concentrations in blubber tissues of stranded cetaceans of atrazine, DEP, NPE and triclosan. It also is the first to report concentrations of toxicants in a white-beaked dolphin and in Gervais' beaked whales. (2020-08-06)

Ultrafast lasers probe elusive chemistry at the liquid-liquid interface
Real-time measurements captured by researchers at the Department of Energy's Oak Ridge National Laboratory provide missing insight into chemical separations to recover cobalt, a critical raw material used to make batteries and magnets for modern technologies. Results published in ACS Applied Materials and Interfaces track the dynamics of molecules designed to grab cobalt from solutions containing a mixture of similar species. (2020-08-04)

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