In a vivid demonstration of the progress being made in miniaturizing energy storage devices, a team of engineers from Rice University in Houston, Texas, has fabricated an energy storage device where all essential components ...
The lithium-ion batteries that power electric vehicles and phones charge and discharge by ferrying lithium ions back and forth between two electrodes, an anode and a cathode. The more lithium ions the electrodes are able ...
Materials Science
Feb 6, 2019
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61
Researchers have identified a group of materials that could be used to make even higher power batteries. The researchers, from the University of Cambridge, used materials with a complex crystalline structure and found that ...
Materials Science
Jul 25, 2018
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236
Lithium-air batteries are considered highly promising technologies for electric cars and portable electronic devices because of their potential for delivering a high energy output in proportion to their weight. But such batteries ...
Energy & Green Tech
Jul 25, 2016
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3116
(Phys.org)—Lithium-ion batteries are a mainstay in electronic devices because they have a long lifespan and can discharge at high voltages. But lithium-ion batteries still have some limitations, leading scientists to explore ...
Carbon fibers derived from a sustainable source, a type of wild mushroom, and modified with nanoparticles have been shown to outperform conventional graphite electrodes for lithium-ion batteries.
Nanomaterials
Apr 6, 2016
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1077
(Phys.org) —High-tech "smart windows," which darken to filter out sunlight in response to electric current, function much like batteries. Now, X-ray studies at SLAC provide a crystal-clear view into how the color-changing ...
Nanophysics
Apr 3, 2014
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0
One of the most promising types of solar cells has a few drawbacks. A scientist at Michigan Technological University may have overcome one of them.
Nanomaterials
Aug 20, 2013
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(Phys.org) —Lithium ion batteries are at the energetic heart of almost all things tech, from cell phones to tablets to electric vehicles. That's because they are a proven technology, light, long-lasting and powerful. But ...
Nanophysics
Jul 8, 2013
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0
(Phys.org) —Researchers at Rice University have come up with a new way to boost the efficiency of the ubiquitous lithium ion (LI) battery by employing ribbons of graphene that start as carbon nanotubes.
Nanomaterials
Jun 13, 2013
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