(PhysOrg.com) -- A new ultracapacitor or electric double-layer capacitor (DLC) design has been announced in the journal Science this week, and could pave the way for smaller and lighter portable electronics devices.
(PhysOrg.com) -- Whether you're away from electricity or you don't mind expending a few of your own calories, a new generator allows you to recharge it simply by shaking it. Its developer, Brother Industries Ltd, says that ...
(PhysOrg.com) -- Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by UC San Diego engineers could lead to carbon nanotube-based ...
Nanomaterials
Nov 19, 2009
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(PhysOrg.com) -- Natural leaves constantly lose water through evaporation, as the water in their veins is pumped up to the top of the tree. This process, called transpiration, could also create a mechanical water pump effect ...
By combining the results of a number of powerful techniques for studying material structure at the nanoscale, a team of researchers from the National Institute of Standards and Technology, working with colleagues in other ...
Condensed Matter
Apr 8, 2009
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(PhysOrg.com) -- Although you can buy solar charging devices for rechargeable batteries, it would be even more convenient if batteries had built-in solar cells. Sitting in sunlight, the battery could then recharge itself. ...
A new type of polysulfate compound that can form thin, flexible films has properties that could make it a material of choice for many high-performance electrical components, according to a study from chemists and materials ...
Polymers
Jan 18, 2023
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For quantum computers to surpass their classical counterparts in speed and capacity, their qubits—which are superconducting circuits that can exist in an infinite combination of binary states—need to be on the same wavelength. ...
Nanophysics
Nov 30, 2021
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290
Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in ...
Materials Science
Nov 13, 2020
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Two teams working independently of each other have demonstrated designs for electrocaloric cooling that can change temperatures under an electric field. Both groups used lead scandium tantalate capacitors in their systems, ...
