News tagged with high efficiency

Related topics: solar cells

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.

Nanotechnology / Nanophysics

created May 08, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Nanotechnology for solar energy conversion systems

EU researchers extensively characterised the self-organisation of nanotubes and developed novel compositions particularly appropriate to solar energy conversion applications.

Nanotechnology / Nanomaterials

created May 25, 2012 | popularity not rated yet | comments 0

New design for a metamaterial could be far more efficient at capturing sunlight than existing solar cells

Metamaterials are a new class of artificial substances with properties unlike anything found in the natural world. Some have been designed to act as invisibility cloaks; others as superlenses, antenna systems ...

Physics / Condensed Matter

created Mar 09, 2012 | popularity 4.9 / 5 (20) | comments 7 | with audio podcast

World's most efficient flexible OLED on plastic created

(PhysOrg.com) -- Engineering researchers at the University of Toronto have developed the world's most efficient organic light-emitting diodes (OLEDs) on plastic. This result enables a flexible form factor, not to mention ...

Physics / Optics & Photonics

created Oct 31, 2011 | popularity 4.8 / 5 (10) | comments 18 | with audio podcast

Energy harvesters transform waste into electricity

Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the Department of Energy's Oak Ridge National Laboratory.

Technology / Energy & Green Tech

created May 16, 2011 | popularity 5 / 5 (6) | comments 22 | with audio podcast

First telecommunications wavelength quantum dot laser on a silicon substrate

A new generation of high speed, silicon-based information technology has been brought a step closer by researchers in the Department of Electronic and Electrical Engineering at UCL and the London Centre for Nanotechnology. ...

Physics / Optics & Photonics

created Jun 13, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

How to choose a catalyst: Predicting which materials will perform best in fuel cells and metal air batteries

MIT researchers have found a new way to predict which materials will perform best as catalysts for oxygen reduction, a core process in metal air batteries and fuel cells, opening up the possibility of faster ...

Chemistry / Materials Science

created Jun 14, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Sanyo announces world's most efficient solar module

(PhysOrg.com) -- Sanyo has announced its development of the world's most energy efficient solar module, the HIT-N230. The module was unveiled at a press conference run by Sanyo Electric's Solar Division.

Technology / Energy & Green Tech

created Jun 16, 2010 | popularity 4.3 / 5 (35) | comments 27 | with audio podcast report

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

created Mar 27, 2012 | popularity 4.8 / 5 (6) | comments 16 | with audio podcast

5 Feasible Renewable Energy Sources

(PhysOrg.com) -- President Barack Obama has made no secret of his desire to develop a "green economy" that includes renewable energy projects meant to benefit the environment. He has said that part of the economic recovery in ...

Technology / Energy & Green Tech

created May 08, 2009 | popularity 4.4 / 5 (44) | comments 24 weblog

Magnesium: Alternative Power Source

(PhysOrg.com) -- There is enough magnesium to meet the world's energy needs for the next 300,000 years, says Dr. Takashi Yabe of the Tokyo Institute of Technology.

Technology / Energy & Green Tech

created Apr 23, 2010 | popularity 4.3 / 5 (40) | comments 29 | with audio podcast weblog

Scientists demonstrate a high-efficiency ceramic laser

(PhysOrg.com) -- Scientists in the Optical Sciences Division at the Naval Research Laboratory, report a successful demonstration of a novel high-efficiency ceramic laser that is both, light-weight and compact ...

Physics / Optics & Photonics

created May 24, 2011 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

New technique boosts efficiency of blood cell production from human stem cells

Scientists at the Salk Institute for Biological Studies have developed an improved technique for generating large numbers of blood cells from a patient's own cells. The new technique will be immediately useful ...

Biology / Cell & Microbiology

created Jul 15, 2011 | popularity not rated yet | comments 0 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

How to produce flexible CIGS solar cells with record efficiency

High-performance flexible and lightweight solar cells, say, on plastic foils, have excellent potential to lower the manufacturing costs through roll-to-roll processing and the so called "balance-of-system" ...

Technology / Energy & Green Tech

created Sep 21, 2011 | popularity not rated yet | comments 2