Latest Technology News


Matched 'hybrid' systems may hold key to wider use of renewable energy

Wed, 26 Nov 2014 14:42:43 EST

The use of renewable energy in the United States could take a significant leap forward with improved storage technologies or more efforts to 'match' different forms of alternative energy systems that provide an overall more steady flow of electricity, researchers say in a new report.<img src="" height="1" width="1"/>
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A path to brighter images and more efficient LCD displays

Thu, 20 Nov 2014 09:16:29 EST

Engineers have developed a polarizing filter that allows in more light, leading the way for mobile device displays that last much longer on a single battery charge and cameras that can shoot in dim light.<img src="" height="1" width="1"/>
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'Forests' of carbon nanotubes grown on 3-D substrates

Tue, 11 Nov 2014 17:01:36 EST

Researchers are growing vertically aligned “forests” of carbon nanotubes on three-dimensional (3-D) conductive substrates to explore their potential use as a cathode in next-gen lithium batteries.<img src="" height="1" width="1"/>
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A billion holes can make a battery

Mon, 10 Nov 2014 12:42:27 EST

Researchers have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage components.<img src="" height="1" width="1"/>
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New technique for generating electricity

Mon, 10 Nov 2014 08:34:00 EST

Research scientists have demonstrated a new technique for generating electrical energy. The new method can be used in harvesting energy from mechanical vibrations of the environment and converting it into electricity. Energy harvesters are needed, for example, in wireless self-powered sensors and medical implants, where they could ultimately replace batteries. In the future, energy harvesters can open up new opportunities in many application areas such as wearable electronics.<img src="" height="1" width="1"/>
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Panel-powered car under development

Thu, 06 Nov 2014 10:42:18 EST

A car powered by its own body panels could soon be driving on our roads after a recent breakthrough in nanotechnology research. Researchers have developed lightweight 'supercapacitors' that can be combined with regular batteries to dramatically boost the power of an electric car.<img src="" height="1" width="1"/>
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Jet-fueled electricity at room temperature: Fuel cell can run without high heat

Wed, 05 Nov 2014 08:37:53 EST

Engineers have now developed the first room-temperature fuel cell that uses enzymes to help jet fuel produce electricity without needing to ignite the fuel. These new fuel cells can be used to power portable electronics, off-grid power and sensors.<img src="" height="1" width="1"/>
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Chemists gain edge in next-gen energy: Flexible film can catalyze production of hydrogen

Tue, 04 Nov 2014 08:38:47 EST

Scientists have created a flexible film with the ability to catalyze the production of hydrogen or be used for energy storage. They have turned molybdenum disulfide's two-dimensional form into a nanoporous film that can catalyze the production of hydrogen or be used for energy storage.<img src="" height="1" width="1"/>
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Putting batteries in a kidsafe coat of armor

Mon, 03 Nov 2014 16:19:23 EST

Researchers have developed a simple 'coat of armor' to encase small batteries, rendering them harmless if they are ever swallowed.<img src="" height="1" width="1"/>
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Functional nanomaterials to advance vehicle battery tech

Thu, 30 Oct 2014 10:05:25 EDT

Toyota scientists will collaborate with Brookhaven Lab experts and use world-leading electron microscopes to explore the real-time electrochemical reactions in promising new batteries.<img src="" height="1" width="1"/>
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Postcards from the plasma edge: How lithium conditions the volatile edge of fusion plasmas

Tue, 28 Oct 2014 12:26:12 EDT

For magnetic fusion energy to fuel future power plants, scientists must find ways to control the interactions that take place between the volatile edge of the plasma and the walls that surround it in fusion facilities. Such interactions can profoundly affect conditions at the superhot core of the plasma in ways that include kicking up impurities that cool down the core and halt fusion reactions.<img src="" height="1" width="1"/>
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Helping upgrade the U.S. power grid: Advanced power-conversion switch

Tue, 28 Oct 2014 12:26:08 EDT

When researchers at General Electric Co. sought help in designing a plasma-based power switch, they turned to the U.S. Department of Energy's Princeton Plasma Physics Laboratory. The proposed switch could contribute to a more advanced and reliable electric grid and help to lower utility bills.<img src="" height="1" width="1"/>
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Lithium injections show promise for optimizing the performance of fusion plasmas

Tue, 28 Oct 2014 11:48:28 EDT

Experiments have now demonstrated the ability of lithium injections to transiently double the temperature and pressure at the edge of the plasma and delay the onset of instabilities and other transients.<img src="" height="1" width="1"/>
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Tracking heat-driven decay in leading electric vehicle batteries

Tue, 28 Oct 2014 10:12:20 EDT

In a new study, scientists reveal the atomic-scale structural and electronic degradations that plague some rechargeable lithium-ion batteries and make them vulnerable during high-temperature operations.<img src="" height="1" width="1"/>
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Li-ion batteries contain toxic halogens, but environmentally friendly alternatives exist

Fri, 24 Oct 2014 11:19:17 EDT

Physics researchers have discovered that most of the electrolytes used in lithium-ion batteries -- commonly found in consumer electronic devices -- are superhalogens, and that the vast majority of these electrolytes contain toxic halogens.<img src="" height="1" width="1"/>
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World's fastest manufacture of battery electrodes

Thu, 23 Oct 2014 09:10:02 EDT

New world record: Scientists have increased the manufacturing speed of electrode foils coated batch-wise by a factor of three – to 100 meters per minute. This was achieved by a flexible slot die process that enables production of any pattern with high precision and at high speeds. Thanks to the patented new technology, electrode foil production speed is increased by a factor of 3. As a result, lithium-ion batteries can be manufactured at much lower costs.<img src="" height="1" width="1"/>
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Super stable garnet ceramics may be ideal for high-energy lithium batteries

Tue, 21 Oct 2014 13:01:09 EDT

Scientists have discovered exceptional properties in a garnet material that could enable development of higher-energy battery designs.<img src="" height="1" width="1"/>
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Researchers take big-data approach to estimate range of electric vehicles

Tue, 21 Oct 2014 10:15:08 EDT

Researchers have developed new software that estimates how much farther electric vehicles can drive before needing to recharge. The new technique requires drivers to plug in their destination and automatically pulls in data on a host of variables to predict energy use for the vehicle.<img src="" height="1" width="1"/>
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Dispelling a misconception about Mg-ion batteries

Thu, 16 Oct 2014 12:36:16 EDT

Researchers used supercomputer simulations to dispel a popular misconception about magnesium-ion batteries that should help advance the development of multivalent ion battery technology.<img src="" height="1" width="1"/>
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'Smart' lithium-ion battery warns of fire hazard

Mon, 13 Oct 2014 09:05:59 EDT

Scientists have developed a 'smart' lithium-ion battery that gives ample warning before it overheats and bursts into flames. The new technology is designed for conventional lithium-ion batteries now used in billions of cellphones, laptops and other electronic devices, as well as a growing number of cars and airplanes.<img src="" height="1" width="1"/>
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Ultra-fast charging batteries that can be 70% recharged in just two minutes

Mon, 13 Oct 2014 09:04:49 EDT

Scientists have developed a new battery that can be recharged up to 70 per cent in only 2 minutes. The battery will also have a longer lifespan of over 20 years. Expected to be the next big thing in battery technology, this breakthrough has a wide-ranging impact on many industries, especially for electric vehicles which are currently inhibited by long recharge times of over 4 hours and the limited lifespan of batteries.<img src="" height="1" width="1"/>
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Batteries included: A solar cell that stores its own power

Fri, 03 Oct 2014 06:43:36 EDT

Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device is both: the world’s first solar battery. Scientists have succeeding in combining a battery and a solar cell into one hybrid device.<img src="" height="1" width="1"/>
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Stressed out: Research sheds new light on why rechargeable batteries fail

Wed, 01 Oct 2014 13:31:17 EDT

Lithium ions traveling through a zinc antimonide anode cause local stress and phase transitions, a process dubbed atomic shuffling. These changes may help explain why most anodes made of layered materials eventually fail.<img src="" height="1" width="1"/>
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Greater range for electric vehicles: Two-in-one motor

Tue, 30 Sep 2014 09:03:35 EDT

Scientists have invented a 2-in-1 electric motor which increases the range of electric vehicles. This innovative engine integrates the traditional electric motor with the air-con compressor, typically two separate units. This novel, space-saving design allows the use of bigger batteries, which can increase the range of electric vehicles by an additional 15 to 20 per cent.<img src="" height="1" width="1"/>
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Harvesting energy from walking around: Shoe insole charges AAA and watch batteries

Mon, 29 Sep 2014 10:52:39 EDT

A device that fits inside a pair of shoes harvests the energy left-over when someone walks. This energy is then stored in AAA or watch batteries.<img src="" height="1" width="1"/>
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Smart, eco-friendly new battery made of seeds and pine resin

Mon, 29 Sep 2014 09:40:39 EDT

Present-day lithium batteries are efficient but involve a range of resource and environmental problems. Using materials from alfalfa (lucerne seed) and pine resin and a clever recycling strategy, researchers have now come up with a highly interesting alternative.<img src="" height="1" width="1"/>
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New mobile solar unit is designed to save lives when the power goes out

Wed, 24 Sep 2014 11:29:56 EDT

Brooke Ellison draws her own power from will, but the ventilator that keeps her alive requires uninterrupted electricity. Dr. Ellison is allowing scientists to field-test, at her home, the Nextek Power Systems STAR, a mobile solar generator.<img src="" height="1" width="1"/>
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Engineers develop algorithms to switch out and recharge battery modules in electric cars

Wed, 17 Sep 2014 13:18:48 EDT

Imagine being able to switch out the batteries in electric cars just like you switch out batteries in a photo camera or flashlight. A team of engineers are trying to accomplish just that, in partnership with an engineering company. They have developed smaller units within the battery, called modules, and a battery management system that will allow them to swap out and recharge the modules.<img src="" height="1" width="1"/>
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Toward making lithium-sulfur batteries a commercial reality for a bigger energy punch

Wed, 17 Sep 2014 12:10:01 EDT

A fevered search for the next great high-energy, rechargeable battery technology is on. Scientists are now reporting they have overcome key obstacles toward making lithium-sulfur batteries, which have the potential to leave today's lithium-ion technology in the dust.<img src="" height="1" width="1"/>
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Plant-based battery: Testing and improving with help of neutrons, simulation

Wed, 17 Sep 2014 12:05:19 EDT

Lignin, a low-cost byproduct of the pulp, paper and biofuels industries, could be transformed into a cheaper version of highly engineered graphite through a simple and industrially scalable manufacturing process.<img src="" height="1" width="1"/>
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