Energy

Magnetic gears to advance renewable energy technology

Magnetic gears to advance renewable energy technology

Renewable energy sources, such as wind and wave, can power our world. Currently, mechanical gears are used inside of these energy conversion systems to connect...
Interest in tandem solar cells made of both silicon and perovskite heats up

Interest in tandem solar cells made of both silicon and perovskite heats up

For decades, silicon solar cells have been used to convert energy from sunlight into electricity. However, recent improvements in perovskite alternatives are moving tandem devices...
Silicon-perovskite solar cells achieve record efficiency of 25.2%

Silicon-perovskite solar cells achieve record efficiency of 25.2%

Researchers from EPFL and CSEM in Switzerland have combined silicon- and perovskite-based solar cells. The resulting efficiency of 25.2% is a record for this...
New composite material could turbocharge for lithium batteries

New composite material could turbocharge for lithium batteries

A team of material researchers from Jülich, Munich, and Prague has succeeded in producing a composite material that is particularly suited for electrodes in...
30% of the UK's natural gas could be replaced by hydrogen, cutting carbon emissions

30% of the UK’s natural gas could be replaced by hydrogen, cutting carbon emissions

Almost a third of the natural gas fueling UK homes and businesses could be replaced by hydrogen, a carbon free fuel, without requiring any...
Sodium-based batteries could make your smartphone cheaper and cleaner

Sodium-based batteries could make your smartphone cheaper and cleaner

Sodium — one of the elements that make up table salt — could soon make cellphone batteries much cheaper and cleaner. That’s the goal of...
The nuclear industry is making a big bet on small power plants

The nuclear industry is making a big bet on small power plants

Until now, generating nuclear power has required massive facilities surrounded by acres of buildings, electrical infrastructure, roads, parking lots and more. The nuclear industry is...
Next-generation water harvester delivers fresh water from air without any power

Next-generation water harvester delivers fresh water from air without any power

Next-generation water harvester delivers fresh water from air without any power Last October, a University of California, Berkeley, team headed down to the Arizona desert,...
Does living near wind turbines harm people

Does living near wind turbines harm people’s health?

Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the...
Will flexible solar cells someday power our devices

Will flexible solar cells someday power our devices

Will you ever be able to charge your mobile device, car and even clothing with flexible solar cells? Researchers are studying whether the now-experimental technology...