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Nanotechnology
Hard Carbon Tin Nano Composite Creates High Performance Battery Anodes
Behavior of hard carbon-tin nanocomposite anodes in lithium-ion and sodium-ion batteries. Credit:Postech As demand for batteries that can be super-fast charging and high energy density in a variety of sectors, from electric vehicles to large-scale energy storage systems (ESS), continues to grow, a joint research team from Posh University of Science and Technology and the Korean Institute of Energy (Kier)…
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Science
The material acts as a biomimetic of teak wood and creates an environmental barrier coating.
The multiscale layered structure of teak wood provides excellent mechanical properties and environmental stability, which has inspired the biomimetic design of environmental barrier coatings. In this study, a multiscale nano Yb2Si2O7-Yb2SiO5 composite EBC with a layered structure similar to teak wood was realized by a new vapor/liquid phase alternating deposition method in plasma spray-physical vapor deposition (PS-PVD). In this process,…
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Chemistry
Stretchable, flexible and recyclable: 3D printing creates amazing plastics
Unlike similar materials that require complex processing, plastic can be created with a 3D printer. Credit: Sameer A. Khan/Fotobuddy Princeton engineers have developed an easily scalable 3D printing technology to produce soft plastics with programmed stretch and flexibility. The technology is also recyclable and inexpensive, with qualities not typically combined with commercially manufactured materials. In an article in the journal…
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Nanotechnology
Theoretical physicists reveal how twisting layers of material creates mysterious electron path deflection effects
(Left) Atomic force microscopy image showing a sample of twisted layers of WS2 (a material made of tungsten and sulfur). Scale bar represents 4 micrometers (4 millionths of a meter). (Right) Diagram showing how to measure the Hall effect (lateral voltage) in twisted materials. The red arrow represents the path of the electron, and V0 and VH are the voltages…
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