Energy & Green Tech news

Electronics & Semiconductors

Hydrogen annealing approach sets new efficiency record for kesterite solar cells

Photovoltaics (PVs), devices that can convert sunlight into electrical power, are becoming increasingly widespread and more people worldwide are now relying on them to generate electricity. Renewable energy engineers worldwide ...

Engineering

Aging reactors: For the first time, researchers verify the effect of radiation on concrete expansion

It's been known for some time that radiation impacts the structural integrity of concrete. However, until now the details of this were unknown. Researchers, including those from the University of Tokyo, can finally demonstrate ...

Engineering

Your fridge still uses tech from the 50s, but scientists have an update

Researchers report on Jan. 30 in the journal Joule that a more efficient and environmentally friendly form of refrigeration might be on the horizon. The new technology is based on thermogalvanic cells that produce a cooling ...

Energy & Green Tech

Integrated modeling approach decodes solid-state battery microstructures for better performance

Researchers at Lawrence Livermore National Laboratory (LLNL) have developed a novel, integrated modeling approach to identify and improve key interface and microstructural features in complex materials typically used for ...

Engineering

Energy-efficient cooling thanks to ionic wind

Thanks to a new type of airflow booster for ionic wind, completely new fields of application are opening up for the start-up Ionic Wind Technologies. In the future, the patented technology will be used primarily for cooling ...

Energy & Green Tech

Chemical looping turns environmental waste into fuel

Turning environmental waste into useful chemical resources could solve many of the inevitable challenges of our growing amounts of discarded plastics, paper and food waste, according to new research.

Energy & Green Tech

DeepSeek breakthrough raises AI energy questions

Having shattered assumptions in the tech sector and beyond about the cost of artificial intelligence, Chinese startup DeepSeek's new chatbot is now roiling another industry: energy companies.

Engineering

How non-toxic and efficient solar cells can be produced

Large-scale production of organic solar cells with high efficiency and minimal environmental impact. This can now be made possible through a new design principle developed at Linköping University, Sweden. In the study, published ...

Energy & Green Tech

Smart windows could be the next big thing in renewable heating

World energy demand is continuing to soar as cities grow, technology advances and industries develop. Buildings make up about 30%-40% of the total—even more than industry or transport. This comes largely from heating, cooling ...

Energy & Green Tech

Jet zero? Why net zero in aviation can't get off the ground

The airline industry is on course to miss its 2050 net zero target for aviation. Passenger numbers continue to soar, while alternatives to fossil fuels remain underdeveloped. Missing this target matters because aviation contributes ...

Energy & Green Tech

Scientists predict bright future for fly ash in water treatment

The world has the potential today to sustainably manage nearly one billion tons of ash waste it produces every year and turn it into a useful material for water treatment applications, according to a study by scientists from ...

Energy & Green Tech

Creating biohydrogen from wood waste

Up to now, wood waste has had to be disposed of at great expense and, at best, has been used to generate energy in incineration plants. Fraunhofer researchers are now using this valuable resource to produce biohydrogen in ...