Metals and alloys news, September 2018

Vanadium-hydrogen battery goes with the flow

Rechargeable vanadium-hydrogen (V-H2) flow battery could be simplest option for renewable energy storage.

X-rays reveal complex movement of lithium in battery material

X-ray studies have revealed that the pathways lithium ions take through a common battery material are more complex than previously thought.

Tetrahedron nanostructures composed of certain metals can have a higher degree of symmetry than the geometrical symmetry of spherical atoms.

inexpensive catalyst for water splitting could support a future hydrogen economy by enabling hydrogen to be produced readily and inexpensively

Nanowires made of germanium and silicon allow individual electrons to be captured by a ‘quantum dot’ on which superconductivity can take place.

N-doped titania photocatalysts on oxidised carbon nanotube support show different properties and performance depending on the synthesis route that is used.

New approach uses hydrogen to overcome hydrogen-embrittlement problem in alloys for applications in extreme conditions.

Sandwiching 2D materials between 3D silicon bases and an ultrathin layer of aluminum oxide can reduce the risk of overheating in nanoelectronics.

A new technique can create an individual fingerprint of the current-carrying edge states occurring in topological insulators or 2D materials.

Adding a single layer of graphene on top of metal leaves being used for a coating process known as gilding doubles the protective quality.

Stress-corrosion cracking can occur when a metal is exposed to tensile stress and corrosion separately, as well as simultaneously.

Scientists have synthesized a novel organic/inorganic hybrid 2D material with promising electrical and magnetic properties.

The efficiency of perovskite solar cells can be improved by adding silicon nanoparticles with better light absorption properties.

Researchers have developed a new method for 'printing' large-scale sheets of the 2D piezoelectric material gallium phosphate.

Novel composite membrane floats on top of the surface of water, absorbs sunlight, and produces vapor for clean water or to produce electricity.

High-entropy alloys made from metals known to form shape-memory alloys can produce shape-memory alloys that work at high temperatures.

Conductive, ecoresorbable inks used in 3D printing to form circuits, inductive antennas, sensors and implantable electronic medical devices.

Iron-based metal-organic framework (MOF) has microwave-absorbing properties.

Scientists have induced a two-dimensional material to cannibalize itself for atomic ‘building blocks’ that go on to form stable structures.

Using computational simulations, scientists have discovered the process by which an iron-based superconductor collapses under pressure.

Scientists have developed a new electron microscopy method that allows them to observe the crystallization process for 2D materials.

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