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

New method for sustainable lithium extraction could reduce emissions by 75%

With an electric current and hydrogen peroxide, researchers at Penn State have developed a more efficient way to extract lithium, a key component in the batteries used in electric vehicles and portable electric devices, directly ...

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

AI-powered e-nose can detect oil spills efficiently

Researchers have trained an e-nose, which detects chemicals in the air, to identify the origin of oil based on the proportion of volatile organic compounds. Since oil is a mixture of different hydrocarbons present in varying ...

Energy & Green Tech

Is China charging ahead on the road to EV battery recycling?

China is perhaps in prime position when it comes to electric vehicle (EV) adoption, accounting for over 60% of worldwide sales in 2022. This dominant position makes it a critical player in addressing one of the most pressing ...

Engineering

Hydropower digital twins solution helps with operator challenges

No two hydropower facilities are the same. They all work similarly by harnessing the power of rushing water to spin turbines and generators, which in turn creates electricity. But their differences—in size, age or mechanical ...

Energy & Green Tech

Making jet engines fit for the hydrogen age

Europe is preparing for climate-neutral flight powered by sustainably produced hydrogen. Last year, the EU launched a project to support industry and universities in the development of a hydrogen-powered medium-haul aircraft. ...

Energy & Green Tech

Stabilizing lithium-ion batteries: The vanadium touch

As demand surges for electric vehicles and energy storage systems, lithium-ion batteries need to deliver higher energy densities at lower costs. While conventional cathode materials such as LiFePO4 and Li-Ni-Co-Mn-O are widely ...

Energy & Green Tech

Sacred cow: Coal-hungry India eyes bioenergy to cut carbon

Venerated as incarnations of Hindu deities, India's sacred cows are also being touted as agents of energy transition by a government determined to promote biogas production to cut its dependence on coal.