A University of California, Irvine engineer has invented a method for analyzing nanowires at temperatures approaching 800 degrees Fahrenheit in first-ever experiments, showing the valuable role the materials could play in converting excess heat from machines and electronics into useable electricity.
A new method to improve the strength and energy storing ability of a specific type of “lithium-rich” cathode materials has been demonstrated by an international group of scientists. They used a carbon dioxide-based gas mixture to produce oxygen vacancies at the surface of the material. According to the researchers, the treatment enhanced the energy density, which is the amount of energy stored per unit mass of the cathode material by up to 30 to 40%.
The KiwiNet Emerging Innovator Fund has awarded $20,000 to Dr Jérôme Leveneur, a researcher in the Environment and Materials division of GNS Science¹s National Isotope Centre, to create an innovative nano-scale magnetic material. The magnetic material composed of nanostructures created by Dr Leveneur is 1000 times thinner that a human hair. The material’s improved properties over the traditional magnetic materials can be attributed to its small scale. This latest development could be exploited to enhance the energy efficiency of inductors and transformers.
A novel tool that can help improve batteries and fuel cells was developed by a group of American and Chinese scientists.
Asynt has introduced GasTrap gas purifiers for analytical laboratories using Gas Chromatography (GC), High Performance Liquid Chromatography (HPLC) or Mass Spectrometry (GC/MS) instrumentation.
The principles of diffusion are exhibited by the spread of light in a layer of scattering nanoparticles, similar to tea particles present in hot water. Light penetrating deeper through the layer results in a reduction of energy density.
Researchers from the University of California, Irvine, have developed a nanowire-based battery material that has the potential to be recharged several times, bringing us closer to commercial batteries with a prolonged lifespan for spacecraft, cars, appliances, smartphones, and computers.
Researchers from the QUANTUM work group at the Institute of Physics of Johannes Gutenberg University Mainz (JGU) and the theoretical physicists of Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have developed a heat engine that operates using a single atom. Their findings have been published in the latest edition of the journal Science.
Rice University materials scientists have introduced a combined electrolyte and separator for rechargeable lithium-ion batteries that supplies energy at usable voltages and in high temperatures.
In a new study recently published in Nature Nanotechnology, researchers from Columbia Engineering, Cornell, and Stanford have demonstrated heat transfer can be made 100 times stronger than has been predicted, simply by bringing two objects extremely close—at nanoscale distances—without touching. Led by Columbia Engineering’s Michal Lipson and Stanford Engineering’s Shanhui Fan, the team used custom-made ultra-high-precision micro-mechanical displacement controllers to achieve heat transfer using light at the largest magnitude reported to date between two parallel objects.
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