Lithium-ion batteries unleash electricity as electrochemical reactions spread through active materials. Manipulating this complex process and driving the reactions into the energy-rich heart of each part of these active materials ...
Nanomaterials
Feb 27, 2015
0
43
A team of scientists including researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and SLAC National Accelerator Laboratory have identified the causes of degradation in a cathode material for ...
Materials Science
Mar 15, 2019
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343
(Phys.org) —Hydrogen is a "green" fuel that burns cleanly and can generate electricity via fuel cells. One way to sustainably produce hydrogen is by splitting water molecules using the renewable power of sunlight, but scientists ...
Nanophysics
Dec 4, 2013
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0
In the field of superconductivity—the ability of a material to conduct electricity with virtually zero resistance—the so-called high-temperature superconductors (HTSCs) are possible candidates for a new generation of ...
Condensed Matter
Oct 30, 2019
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192
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have developed a new way to track dynamic molecular features in soft materials, including the high-frequency molecular vibrations that transmit ...
Nanophysics
Jun 7, 2017
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18
(Phys.org) —In January, the last of 150 magnet girders was installed in the storage ring of the National Synchrotron Light Source II (NSLS-II), capping off a tremendous yearlong effort in which 843 magnets were safely delivered, ...
General Physics
Mar 7, 2013
0
0
(Phys.org) —As microelectronics get smaller and smaller, one of the biggest challenges to packing a smartphone or tablet with maximum processing power and memory is the amount of heat generated by the tiny "switches" at ...
Nanophysics
Oct 25, 2013
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0
A team of scientists has discovered a single-site, visible-light-activated catalyst that converts carbon dioxide (CO2) into "building block" molecules that could be used for creating useful chemicals. The discovery opens ...
Materials Science
Nov 26, 2018
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57
(Phys.org) —The X-rays produced by the Cornell High Energy Synchrotron Source (CHESS) are bright, but they will soon be even brighter, thanks to a major upgrade that will make the quality of CHESS' X-rays competitive with ...
General Physics
Oct 21, 2014
0
0
Hydrogen fuel cells are a promising technology for producing clean and renewable energy, but the cost and activity of their cathode materials is a major challenge for commercialization. Many fuel cells require expensive platinum-based ...
Materials Science
Dec 26, 2018
0
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