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 ...
21 hours ago
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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 ...
21 hours ago
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World's longest cargo sail ship launched in Turkey
The world's longest wind-powered cargo ship was launched Friday in Turkey, offering a promising way to slash carbon emissions from merchandise trade.
12 hours ago
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11 years after a celebrated opening, massive solar plant faces a bleak future in the Mojave Desert
What was once the world's largest solar power plant of its type appears headed for closure just 11 years after opening, under pressure from cheaper green energy sources. Meanwhile, environmentalists continue to blame the ...
Jan 31, 2025
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Improving the range of electric vehicles using aluminum
There are many electric vehicles in Norway, and each contains many electrical conductors. These electrical conductors contribute significantly to the overall weight of the vehicles.
Jan 31, 2025
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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 ...
Jan 30, 2025
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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 ...
Jan 30, 2025
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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 ...
Jan 30, 2025
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Engineering
Shielding flexible solar modules from harsh environmental conditions: The critical role of barrier films
Perovskite solar cells (PSCs) present a revolutionary leap in renewable energy technology with their high efficiency, lightweight, and flexible nature. But their commercial applications are often hindered by their sensitivity ...
Jan 30, 2025
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Energy & Green Tech
'Sustainable' aviation fuel and other myths about green airport expansion debunked
Environmentalists and locals have resisted a third runway at London's Heathrow, Europe's busiest airport, for more than two decades. Today, their efforts took a major setback.
Jan 30, 2025
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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 ...
Jan 30, 2025
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Energy & Green Tech
Lithuanian energy revolution: Sustainability is still a work in process
The world is experiencing more frequent and intense heat waves, floods, hurricanes, and wildfires due to rising greenhouse gas emissions. The energy sector is one of the largest contributors to climate change, yet it also ...
Jan 30, 2025
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Energy & Green Tech
Australia says reliance on coal-fired power drops to record low
Australia's reliance on coal-fired power stations has dropped to a record low, accounting for less than 50 percent of its electricity for the first time, the market operator said Thursday.
Jan 30, 2025
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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.
Jan 29, 2025
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Engineering
Optical fiber sensor provides simple, sensitive detection of arsenic in drinking water
Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. The technology could enable household testing for arsenic, empowering ...
Jan 29, 2025
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Energy & Green Tech
Interactive tool helps find most efficient carbon-neutral aircraft for your flight
OK, we admit, we're a long way from a carbon-free grid—but when we have one, what's the most efficient way to use that energy to fly planes? This question is explored by an interactive tool built by a team of University ...
Jan 29, 2025
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Energy & Green Tech
Explainable AI techniques can improve the trustworthiness of wind power forecasts
By applying techniques from explainable artificial intelligence, engineers can improve users' confidence in forecasts generated by artificial intelligence models. This approach was recently tested on wind power generation ...
Jan 29, 2025
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Energy & Green Tech
DeepSeek says it built its chatbot cheap. What does that mean for AI's energy needs and the climate?
Chinese artificial intelligence startup company DeepSeek stunned markets and AI experts with its claim that it built its immensely popular chatbot at a fraction of the cost of those made by American tech titans.
Jan 29, 2025
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Energy & Green Tech
AI could help overcome the hurdles to making nuclear fusion a practical energy source
The pursuit of nuclear fusion as a clean, sustainable energy source represents one of the most challenging scientific and engineering goals of our time. Fusion promises nearly limitless energy without carbon emissions or ...
Jan 29, 2025
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Energy & Green Tech
Eco-friendly lithium extraction method developed for electric vehicle batteries
Researchers at The George Washington University, in collaboration with other institutions, have developed an innovative method to directly extract and purify lithium from geothermal brines that can be used to make batteries ...
Jan 29, 2025
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Energy & Green Tech
New water splitting catalyst makes green hydrogen without expensive metals
ANEMEL researchers have created a catalyst for water splitting that's efficient and stable, without relying on scarce platinum group metals (PGMs). The study, recently published in Energy & Environmental Science, reports ...
Jan 28, 2025
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Energy & Green Tech
Researchers develop metric to measure US gaps in electric vehicle charging
Although electric vehicles (EVs) present a considerable opportunity to lower greenhouse gas emissions, EVs currently only account for 1% of vehicles on the road in the U.S. One reason consumers have reported hesitation in ...
Jan 28, 2025
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Engineering
Unique hole type and placement makes a wearable battery more bendable and breathable
A team of engineers and materials scientists from the U.S. has found that holes of a certain size and shape placed in certain locations can turn a slightly flexible and stretchy battery pouch into one that can be stretched ...
Energy & Green Tech
Hybrid model predicts best tech for slashing industrial emissions in the chemical industry
Separating and purifying closely related mixtures of molecules can be some of the most energy-intensive processes in the chemical industry, and contributes to its globally significant carbon footprint. In many cases, traditional ...
Jan 28, 2025
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Energy & Green Tech
China built out record amount of wind and solar power in 2024
China raced ahead building renewable energy last year, installing more wind and solar power than ever before and continuing to leave all other countries in the dust.
Jan 28, 2025
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