News tagged with high efficiency

Related topics: solar cells

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

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

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

First proof of single atomic layer material with zero electrical resistance

A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.

Physics / Superconductivity

created Nov 24, 2011 | popularity 5 / 5 (7) | comments 8

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

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

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

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

Engineers unveil new lighting solutions

A study by Carnegie Mellon University researchers argues that new lighting technologies can be a key player in the portfolio of strategies needed to promote energy efficiency and to help reduce the emission of greenhouse ...

Technology / Energy & Green Tech

created Jun 09, 2009 | popularity 3.5 / 5 (8) | comments 5

Red light-emitting diode sets new efficiency record

Osram Opto Semiconductors has raised the efficiency of its high-performance red light-emitting diode (LED) by 30% under laboratory conditions. This record-setting efficiency was achieved through optimization of the chips. ...

Technology / Engineering

created Aug 16, 2010 | popularity 4.6 / 5 (5) | comments 0

3D CMOS camera for your mobile?

(PhysOrg.com) -- European researchers have created a world-leading camera in CMOS that can record photons at a million times a second. Best of all, it will be really cheap to manufacture, offering applications ...

Technology / Engineering

created Oct 14, 2009 | popularity 3.8 / 5 (5) | comments 0

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