Taking a significant step toward improving the power delivery of systems ranging from urban electrical grids to regenerative braking in hybrid vehicles, researchers at the UCLA Henry Samueli School of Engineering and Applied ...
Nanomaterials
Apr 15, 2013
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Lithium-ion batteries are high performance energy storage devices used in many commercial electronic appliances. Certainly, they can store a large amount of energy in a relatively small volume. They have also previously been ...
Materials Science
Apr 15, 2013
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(Phys.org)—The cherished portability of many popular electronics, from smart phones to laptops, mostly comes courtesy of lithium-ion batteries. Unfortunately, these dense and lightweight energy storage devices begin to ...
Materials Science
Nov 27, 2012
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(Phys.org)—Looking for better battery designs and solutions is a priority pursuit for many scientists, and the Batteries for Advanced Transportation Technologies (BATT) Program is always on the lookout for worthy contributions. ...
(Phys.org)—Researchers from North Carolina State University have created flower-like structures out of germanium sulfide (GeS) – a semiconductor material – that have extremely thin petals with an enormous surface area. ...
Nanomaterials
Oct 11, 2012
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(Phys.org)—Scientists with a common goal, to figure out an alternative to the lithium ion battery, the main power source of choice, are not giving up. The quarrel is not with the lithium ion battery's performance but in ...
A breakthrough for inexpensive electricity from solar cells, and a massive investment in wind power, will mean a need to store energy in an intelligent way. According to research at Linköping University (Sweden), published ...
Polymers
Mar 22, 2012
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(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially higher amounts ...
Nanophysics
Mar 15, 2012
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There is an ever-increasing need for advanced batteries for portable electronics, such as phones, cameras, and music players, but also to power electric vehicles and to facilitate the distribution and storage of energy derived ...
Analytical Chemistry
Feb 12, 2012
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(PhysOrg.com) -- Energy storage continues to be the number one question mark in discussions about the grid. We can gather enough energy from sun and wind systems but engineers still scratch their heads over the best materials ...
