Improving lithium battery performance
(Phys.org)—Lithium batteries are used in many devices such as cell phones, computers and cameras, among others.
(Phys.org)—Lithium batteries are used in many devices such as cell phones, computers and cameras, among others.
Polymers
Nov 8, 2012
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(Phys.org)—Materials scientists have developed a simple, robust way to fabricate carbon-free and polymer-free, lightweight colloidal films for lithium-ion battery electrodes, which could greatly improve battery performance.
Nanomaterials
Nov 1, 2012
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(Phys.org)—Read heads in hard drives, lasers in DVD players, transistors on computer chips, and many other components all contain ultrathin films of metal or semiconductor materials. Stresses arise in thin films during ...
Nanophysics
Sep 13, 2012
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Researchers from Trinity College Dublin have recently shown that the legs of grasshoppers and crabs have the ideal shape to resist bending and compression. If human leg bones were built the same way, they could be twice as ...
Plants & Animals
Sep 12, 2012
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When stacking apples on a market stall, fruit sellers "naturally" adopt a particular arrangement: a regular pyramid with a triangular base. A French-German team, which includes in particular the Laboratoire de Physique des ...
General Physics
Apr 25, 2012
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(PhysOrg.com) -- A multinational team of scientists has developed a process for creating glass-based, inorganic light-emitting diodes (LEDs) that produce light in the ultraviolet range. The work, reported this week in the ...
Nanophysics
Feb 24, 2012
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The Tongue Drive System is getting less conspicuous and more capable. Tongue Drive is a wireless device that enables people with high-level spinal cord injuries to operate a computer and maneuver an electrically powered wheelchair ...
Engineering
Feb 20, 2012
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Conventional silicon-based rigid solar cells generally found on the market are not suitable for manufacturing moldable thin-film solar cells, in which a transparent, flexible and electrically conductive electrode collects ...
Nanomaterials
Apr 19, 2011
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(PhysOrg.com) -- Computational modeling tools developed at the Georgia Institute of Technology could accelerate development of a new type of membrane technology that will boost the efficiency of energy-related gas separations. ...
Materials Science
Feb 15, 2010
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(PhysOrg.com) -- How many sweets fit into a jar? This question depends on the shapes and sizes of the sweets, the size of the jar, and how it is filled. Surprisingly, this ancient question remains unanswered because of the ...
General Physics
Jul 29, 2009
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