News tagged with energy density

For better batteries, just add water

Lithium-ion batteries are now found everywhere in devices such as cellular phones and laptop computers, where they perform well. In automotive applications, however, engineers face the challenge of squeezing ...

dateJul 04, 2013 in Condensed Matter
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How to overcome the oxide barrier

(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...

dateMay 13, 2013 in Nanomaterials
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Tortuous paths hamper ion transport

(Phys.org) —ETH-Zurich researchers use x-ray tomography to screen lithium ion battery electrodes and can reconstruct the microstructure in high resolution. This helps to understand the discharging and charging ...

dateApr 08, 2013 in Materials Science
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Building a better battery

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.

dateMar 11, 2013 in Energy & Green Tech
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Using single quantum dots to probe nanowires

Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law—the doubling of computing power ever 18 months or so—be sustained? Can the compactness ...

dateFeb 05, 2013 in Nanophysics
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Team maps the nuclear landscape

An Oak Ridge National Laboratory and University of Tennessee team has used the Department of Energy's Jaguar supercomputer to calculate the number of isotopes allowed by the laws of physics.

dateJun 27, 2012 in General Physics
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