News tagged with power efficiency
Related topics: power consumption
Dopant gives graphene solar cells highest efficiency yet
(Phys.org) -- By taking advantage of graphene’s favorable electrical and optical properties, and then adding an organic dopant, researchers have achieved the highest power conversion efficiency yet for ...
May 21, 2012 |
4.8 / 5 (11) |
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The quick and easy way to measure power consumption
The ambitious goals set by the German government to promote energy efficiency have put pressure on companies to change their energy-use policies. But the sustainable management of energy resources and the associated energy-saving ...
May 10, 2012 |
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Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars
A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.
May 08, 2012 |
4.8 / 5 (6) |
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Fujitsu develops a 2.3kW high-capacity power supply unit for servers, conversion efficiency rate of 94.8%
Fujitsu Laboratories today announced the development of a power supply unit for servers that features a 2.3 kW power output and achieves a world-leading conversion efficiency rate of 98.4%.
Apr 05, 2012 |
5 / 5 (4) |
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Fujitsu develops power saving system control technology for container data centers
Fujitsu Laboratories today announced the development of a power conservation system control technology that reduces overall power consumption in container data centers by closely coordinating the operation ...
Apr 05, 2012 |
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Free apps drain smartphone energy on 'advertising modules'
(PhysOrg.com) -- Researchers have shown that popular free smartphone apps spend up to 75 percent of their energy tracking the user's geographical location, sending information about the user to advertisers and downloading ...
Apr 04, 2012 |
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Wind turbines that learn like humans
Depending on the weather, wind turbines can face whispering breezes or gale-force gusts. Such variable conditions make extracting the maximum power from the turbines a tricky control problem, but a collaboration of Chinese ...
Technology / Energy & Green Tech
Mar 27, 2012 |
4.8 / 5 (6) |
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Artificially structured metamaterials may boost wireless power transfer
Scientists calculate that a "perfect lens," a slab of artificial material engineered to focus electromagnetic fields in ways that natural materials can't, may increase the efficiency of some wireless power transfer systems.
Mar 13, 2012 |
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Stanford experts say Silicon Valley is poised to play a key role as Japan restructures its power industry
As cities and towns rebuild after last year's devastating tsunami and earthquake in northeastern Japan, there is a potentially huge demand for the green technology and new information technology now being ...
Technology / Energy & Green Tech
Mar 08, 2012 |
2 / 5 (1) |
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LED's efficiency exceeds 100%
(PhysOrg.com) -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t ...
Mar 05, 2012 |
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Rational design can improve hydrogen fuel cell efficiency
(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...
Feb 29, 2012 |
4.4 / 5 (12) |
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Toshiba develops the circuit technique for power efficiency improvement in CMOS power amplifier for mobile phones
Toshiba Corporation today announced that it has developed the world's first circuit technology to remove distortion in wireless transmissions that can be directly integrated into a CMOS radio frequency (RF) power amplifier. ...
Feb 20, 2012 |
5 / 5 (1) |
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A better picture of clouds
Some of us look at clouds and see animal shapes. Scientists are looking beyond. For the first time, a team of scientists led by Pacific Northwest National Laboratory used actual measurements of clouds and ...
Space & Earth / Earth Sciences
Feb 13, 2012 |
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New battery could lead to cheaper, more efficient solar energy
A joint research project between the University of Southampton and lithium battery technology company REAPsystems has found that a new type of battery has the potential to improve the efficiency and reduce the cost of solar ...
Technology / Energy & Green Tech
Feb 09, 2012 |
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New kind of solar cell could capture significantly more energy than current cells
New solar cells could increase the maximum efficiency of solar panels by over 25%, according to scientists from the University of Cambridge.
Feb 08, 2012 |
4.3 / 5 (14) |
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