News tagged with efficiency

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Merging antenna and electronics boosts energy and spectrum efficiency

By integrating the design of antenna and electronics, researchers have boosted the energy and spectrum efficiency for a new class of millimeter wave transmitters, allowing improved modulation and reduced generation of waste ...

Engineering

Jul 05, 2018
99
0

Solar cells combining silicon with perovskite have achieved record efficiency of 25.2 percent

In the field of photovoltaic technologies, silicon-based solar cells make up 90 percent of the market. In terms of cost, stability and efficiency (20-22 percent for a typical solar cell on the market), they are well ahead ...

Energy & Green Tech

Jun 12, 2018
2763
4

Organic solar cells reach record efficiency, benchmark for commercialization

In an advance that makes a more flexible, inexpensive type of solar cell commercially viable, University of Michigan researchers have demonstrated organic solar cells that can achieve 15 percent efficiency.

Energy & Green Tech

Apr 23, 2018
2690
2

Researchers design novel method for energy-efficient deep neural networks

An Oak Ridge National Laboratory method to improve the energy efficiency of scientific artificial intelligence is showing early promise in efforts to parse insights from volumes of cancer data.

Computer Sciences

Mar 14, 2018
177
0

Americans are saving energy by staying at home

Information and communication technologies are radically transforming modern lifestyles. They are redefining our concept of "space" by turning homes and coffee shops into workspaces. (This article was written in a coffee ...

Energy & Green Tech

Jan 31, 2018
5
0

Scientists demonstrate remarkable stability in perovskite solar cells

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) created an environmentally stable, high-efficiency perovskite solar cell, bringing the emerging technology a step closer to commercial ...

Energy & Green Tech

Jan 31, 2018
243
0

Mazda has fine ambitions for future gasoline engine

We get it. Car-makers say they are on board for a next chapter in the electrification of cars and they have teams dedicated to developing cars toward that end. Well-known brands are looking at alternative-fuel solutions such ...

Energy & Green Tech

Jan 31, 2018
642
22

With cheap solar and wind power, is it time to rethink 'energy efficiency'?

The need to cut emissions from the energy sector has motivated the use of hydro, solar and wind power, and the development of more efficient buildings that consume less energy. And these solutions have indeed slightly reduced ...

Energy & Green Tech

Jan 19, 2018
9
1

Halogens can increase solar cell performance by 25 per cent

New research from the University of British Columbia and the University of North Carolina at Chapel Hill shows that using halogens—a class of elements that include fluoride, bromine, chlorine and iodine—in a dye-sensitized ...

Energy & Green Tech

Dec 20, 2017
1287
0

Perovskite solar cells reach record long-term stability, efficiency over 20 percent

Perovskite solar cells (PSCs) can offer high light-conversion efficiency with low manufacturing costs. But to be commercially viable, perovskite films must also be durable and not degrade under solar light over time. EPFL ...

Energy & Green Tech

Sep 28, 2017
697
0

Decades after developing technology, NREL sets new solar-to-hydrogen record

Innovation is forever marching forward, but sometimes it's necessary to take a small step backward in the interest of greater accuracy. Revisiting previous solar-to-hydrogen research enabled scientists at the Energy Department's ...

Energy & Green Tech

Aug 09, 2017
65
1

Tighter building controls needed to achieve government global warming targets

Thousands of new homes, schools and offices may be using much more energy than they should, and the reason is rather unexpected, according to the authors of a new study published by the University of Bath.

Energy & Green Tech

May 03, 2017
5
0

A more than 100% quantum step toward producing hydrogen fuel

Efforts to reduce our dependence on fossil fuels are advancing on various significant fronts. Such initiatives include research focused on more efficient production of gaseous hydrogen fuel by using solar energy to break ...

Energy & Green Tech

Apr 25, 2017
1
0

NREL establishes world record for solar hydrogen production

Scientists at the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) recaptured the record for highest efficiency in solar hydrogen production via a photoelectrochemical (PEC) water-splitting process.

Energy & Green Tech

Apr 14, 2017
45
0

Efficiency of silicon solar cells climbs past 26 percent

(Tech Xplore)—A team of researchers working at Kaneka Corporation has broken the record for silicon-based solar cell efficiency by producing a cell that was tested to be 26.3-percent efficient—an increase of 0.7 percent ...

Energy & Green Tech

Mar 21, 2017
2158
0

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