Protective shells may boost silicon lithium-ion batteries
Imagine a cell a phone that charges in less than an hour and lasts for three to four days or an electric car that runs for hundreds of miles before needing to be plugged in.
Imagine a cell a phone that charges in less than an hour and lasts for three to four days or an electric car that runs for hundreds of miles before needing to be plugged in.
Materials Science
Aug 6, 2015
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Researchers from the University of Cambridge, together with French collaborators based in Toulouse, have developed a new method to see inside battery-like devices known as supercapacitors at the atomic level. The new method ...
Materials Science
Jun 22, 2015
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Today's batteries cannot take in all of a wind farm's energy on a blustery night and hold it until it is needed the next day. A promising option is to create a higher capacity battery by replacing the negative electrode in ...
Nanomaterials
Feb 4, 2015
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Creating extended range electric cars and high capacity flash memory for portable electronics requires scientists to delve into the behavior of anions, negatively charged molecules, that can store extra electrons needed to ...
Materials Science
Dec 15, 2014
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(Phys.org) —In the presence of charged substances, H2O molecules favor associating with elements with a negative electrical charge rather than a positive electric charge. EPFL researchers have published a study on the subject ...
Materials Science
Jul 16, 2014
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(Phys.org) —A team of researchers from several research institutions in Germany has found that certain types of nanoparticles can be created using levitated drops of heated water—Leidenfrost drops. In their paper published ...
Laptops could work longer and electric cars could drive farther if it were possible to further increase the capacity of their lithium-ion batteries. The electrode material has a decisive influence on a battery's capacity. ...
Materials Science
Jun 6, 2013
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A new battery technology provides double the energy storage at lower cost than the batteries that are used in handheld electronics, electric vehicles, aerospace and defence.
Energy & Green Tech
Mar 11, 2013
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(PhysOrg.com) -- Water softening techniques are very effective for removing minerals such as calcium and magnesium, which occur as positively-charged ions in "hard" water. But many heavy metals and other inorganic pollutants ...
Materials Science
Sep 6, 2011
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A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale structures ...
Nanophysics
Oct 23, 2009
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