Graphene-boron mix shows promise for lithium-ion batteries
Frustration led to revelation when Rice University scientists determined how graphene might be made useful for high-capacity batteries.
May 16, 2013
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May 16, 2013
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Team observes real-time charging of a lithium-air battery
One of the most promising new kinds of battery to power electric cars is called a lithium-air battery, which could store up to four times as much energy per pound as today's best lithium-ion batteries. But ...
May 13, 2013
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Software makers get face time with Google glasses
Google Glass was a common sight as software savants shared visions of games, weather reports, news and more delivered to the Internet-linked eyewear.
May 16, 2013
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Scientists increase lithium-sulfur battery lifetime by a factor of 10
(Phys.org)—The world of rechargeable batteries is full of trade-offs. While lithium-ion (Li-ion) batteries are currently the most commercially successful, their low energy density doesn't allow for a long ...
Feb 25, 2013
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Solar lantern for people living without electricity
Panasonic Corporation today announced that it has developed a solar lantern that doubles as a charger for people living without electricity. With a built-in rechargeable battery to store solar energy during ...
May 13, 2013
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New technique to improve quality control of lithium-ion batteries
(Phys.org) —Researchers have created a new tool to detect flaws in lithium-ion batteries as they are being manufactured, a step toward reducing defects and inconsistencies in the thickness of electrodes ...
May 08, 2013
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Self-charging battery both generates and stores energy
(Phys.org) -- Renewable energy technologies generally consist of two distinct processes: energy generation (using sources such as coal, solar, wind, etc.) and energy storage (such as batteries). These two ...
Aug 17, 2012
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Sodium-air battery offers rechargeable advantages compared to Li-air batteries
(Phys.org)—Over the past few years, Li-air batteries (more precisely, Li-oxygen batteries) have become attractive due to their theoretical ability to store nearly as much energy per volume as gasoline. ...
Jan 02, 2013
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New battery design could help solar and wind power the grid
(Phys.org) —Researchers from the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory and Stanford University have designed a low-cost, long-life battery that could enable solar and wind ...
Apr 24, 2013
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Sponge-like graphene makes promising supercapacitor electrodes
(Phys.org)—While most of today's electric vehicles rely on batteries to store energy, supercapacitors have enjoyed significant improvements that have made them serious competitors to batteries. Batteries ...
Oct 12, 2012
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Researchers explore Li-air battery reversibility on the nanoscale
(Phys.org) -- As their name suggests, Li-air batteries use air to operate, pulling out oxygen molecules to use in a porous, carbon-based cathode, while using lithium in the anode. Because using air means the battery doesn’t ...
Aug 08, 2012
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Bendable battery and LED make up the first functional all-flexible electronic system
(Phys.org) -- By connecting a new flexible, thin-film Li-ion battery to a flexible organic LED, a team of researchers from South Korea has demonstrated the first fully functional all-flexible electronic ...
Aug 10, 2012
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German student builds electromagnetic harvester to recharge a battery
Dennis Siegel, a student at the University of the Arts in Bremen, Germany has built what he calls an electromagnetic harvester—it converts electromagnetic fields in the immediate environment into electricity ...
Feb 12, 2013
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Small in size, big on power: New microbatteries the most powerful yet
(Phys.org) —Though they be but little, they are fierce. The most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered ...
Apr 16, 2013
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Memory effect now also found in lithium-ion batteries
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 ...
Apr 15, 2013
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