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.

Engineering

New technology makes carbon capture easier

Flue gases from industrial plants contain the greenhouse gas CO2. Carbon capture processes increase the concentration of the gas, enabling it to be utilized or stored.

Energy & Green Tech

How wasted heat from our bodies could generate green energy

If you've ever seen yourself through a thermal imaging camera, you'll know that your body produces lots of heat. This is in fact a waste product of our metabolism. Every square foot of the human body gives off heat equivalent ...

Engineering

Blast furnace slag and fly ash create low-cost cement alternative

China's waste incineration industry has grown rapidly, with about 90% of projects using the mechanical grate furnace process. However, municipal solid waste incineration fly ash (MSWI FA), classified as HW18 on China's hazardous ...

Energy & Green Tech

Norway speeds ahead of EU in race for fossil-free roads

On the quiet streets of an Oslo suburb, electric vehicles are parked in nearly every other driveway as Norway speeds towards its goal of becoming the first country free of fossil fuel-powered cars.

Energy & Green Tech

Climate-friendly electricity derived from ammonia

Using hydrogen to generate electricity does not cause any climate-damaging emissions. But storing and transporting the gas pose technical challenges. With this in mind, Fraunhofer researchers use ammonia, a hydrogen derivative ...