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.
A paperlike battery electrode developed by a Kansas State University engineer may improve tools for space exploration or unmanned aerial vehicles.
Dan Blondal, CEO of Nano One Materials Corp. announced today that Nano One has successfully produced high-voltage cobalt-free lithium ion battery cathode materials. Testing shows that this Nano One material has advantages over commercial equivalents.
Some metal oxides can increase capacity and optimize the cycling performance of lithium-ion batteries, according to material scientists at Lawrence Livermore National Laboratory (LLNL). They produced three graphene metal oxide (GMO) nanocomposites and compared their electrochemical performance. What they determined was two of the nanocomposites were able to significantly improve reversible lithium storage capacity.
Cellular environment is a disorganized space, where the movement and quantity of proteins and molecules are found to be in continuous instability. The performance of a cell can be discovered by predicting the fluctuating depth of a process or protein. These predictions are difficult to pinpoint in the open system of a cell, where everything can appear in a chaotic manner.
Solar fuels are clean fuels harvested from sunlight, water, and carbon dioxide, and they provide a way of storing solar energy, for instance in hydrogen or hydrocarbons. However efficiency is still a concern for this technology. Kasper Wenderich of the MESA+ Institute for Nanotechnology of the University of Twente has created special nanosized plates with platinum particles on them to speed up the chemical conversion. As part of his PhD thesis, he determined the reason why the reduced effect of these particles is lower than generally expected.
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