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Graphene is the world's strongest, thinnest and most conductive material, made from carbon. Graphene's remarkable properties enable exciting new applications in electronics, solar panels, batteries, medicine, aerospace, 3D printing and more!
Recent Graphene news:
Arvia, a UK-based water and wastewater treatment company, has secured £4 million in its latest round of investment funding. The company developed its own graphene-based proprietary material called Nyex which removes organics, contaminants and micro-pollutants from wastewater and is regenerated in-situ in the novel organics destruction cell (ODC) process. The technology was spun-out of Manchester University’s School of Chemical Engineering.
Arvia’s modular treatment units can remove and oxidise low, trace toxic and problematic pollutants. The company says it has numerous test units to deploy into the market and are looking for early adopters to collaborate with Arvia in applying this technology.
Researchers at China's Tsinghua University used ion-selective membranes of ultrathin graphene oxide (GO) to develop a novel, ion-selective but highly permeable separator for significantly improving both the energy density and power density of lithium-sulfur batteries. This resulted in a highly-stable and anti-self-discharge lithium-sulfur cell.
Polysulfides are materials generated at the cathode side, diffuse through the membrane, react with lithium anode, and shuttle back. During the process, polysulfides dissolve and irreversibly react with metal lithium and organic components, inducing the destruction of the cathode structure, depletion of the lithium anode, and loss of active sulfur materials. Commonly used separators in battery systems are porous polymer membranes, which separate the two electrodes while having little impact on the transportation of ions through the membrane. The researchers' design was of a GO membrane, sandwiched between cathode and anode electrodes, which efficiently prohibited the shuttle of polysulfides through the membrane.
Korean scientists develop a process for making graphene composites with even distribution without solvent
Researchers at The Institute of Advanced Composite Materials at Korea Institute of Science and Technology (KIST) and The Seoul National University announced that they have successfully developed a manufacturing process for high molecular composite material with even distribution of graphene without using solvent.
Researchers developed this composite material after applying heat to a mixture of cyclic butylene terephthalate (CBT) with graphene particles. With statistical calculations using a cross sectional image of graphene, the researchers evaluated the distribution of graphene with average inter-particle distance and standard deviation.
Graphene NanoChem announced that after 9 months of independent testing of the PlatDrill Series by the Council of Scientific & Industrial Research - National Institute of Oceanography, India, it has concluded that at 84.81%, the biodegradation level of the PlatDrill Series is 25% higher than the standard specified by the OECD guidelines. Based on this biodegradation rate the PlatDrill Series has been classified as "readily" biodegradable with a non-toxic ranking.
Worries of water and environmental contamination risks due to increased use of drilling fluids, gas and discharge of drilling waste mud and drill cuttings into the marine environment have been growing, resulting in harsher environmental restrictions in the chemicals and substances used for drilling. Biodegradation is a crucial property of drilling fluids to ensure that the fluids do not remain in the environment for long. "Readily" biodegradable refers to a substance that degrades efficiently and completely.
The Turkish Nanografi reports a technical advance in the production of graphene that can make it much cheaper to produce.
The Project Manager of Nanografi explains that Nanografi has improved the production process by managing to produce graphene from a special plant that grows in
Ohio-based Angstron Materials has developed a group of cost-effective thermal foil products that can be customized for handheld devices and other products. The company says that its foil sheets have been qualified for use by a major mobile electronics company. Such thermal foils can be used for the technology beneath devices' screens that conducts heat away from internal electronic components and batteries to help maintain optimal performance.
Angstron’s thermal foils are available in a variety of grades. The company states that its foils are thinner than other products on the market and so give manufacturers greater design flexibility than competing methods. Angstron’s foil sheets also can be sourced with equivalent or greater thermal conductivity.
An international team of researchers from The University of Manchester, the University of Ulm in Germany and the University of Science and Technology of China created a transparent nanosized graphene capillary to investigate the atomic structure of water trapped inside.
The findings shed light on the unexpected behaviour of water at the molecular scale and are important for development of more efficient water treatment technologies including filtration, desalination and distillation.