Energy & Green Tech news
Engineering
Aluminum foil that can clean water—researchers develop coating that attracts and traps dangerous microbes
More than 2 billion people around the world do not have access to safe, uncontaminated drinking water. Around 418 million of them live in African countries.
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Engineering
Engineering approach can improve stability of perovskite solar cells under reverse bias conditions
Solar cells based on perovskites, a versatile class of materials with promising optoelectronic properties, are gradually making their way toward commercialization. While these solar cells can have notable advantages over ...
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Researchers create all-perovskite tandem solar cell with record efficiency
A team of engineers at Huazhong University of Science and Technology in China has designed, built and independently tested an all-perovskite tandem solar cell with record efficiency. Their paper is published in the journal ...
Norway's electric car sales set new world record
Electric car sales in Norway took a 94-percent share of the market in August—a new world record—statistics showed Monday, as sales in the rest of Europe stagnate.
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Sports boats set out on a voyage to electrify the waters in the same way Tesla electrified the roads
Grant Jeide looked like another dude riding the rollicking waves left in the wake of a 23-foot (7-meter) boat ripping through the water at speeds of up to 40 miles per hour on a river in Northern California's Delta earlier ...
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Energy & Green Tech
Pilot plant demonstrates iron-based hydrogen storage feasibility
Photovoltaics are set to meet over 40% of Switzerland's electricity needs by 2050. But solar power isn't always available when it's needed: there's too much of it in summer and too little in winter, when the sun shines less ...
Aug 31, 2024
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Engineering
Researchers develop ultra-high efficiency perovskite LEDs by strengthening lattice
A research team has developed ultra-high efficiency perovskite nanocrystal light-emitting diodes (LEDs) by strengthening the perovskite lattice and suppressing the material's inherent low-frequency dynamics.
Aug 30, 2024
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Business
What if Big Oil championed—and profited from—the green transition? Here's how it could work
Like the petroleum industry itself, households are heavily invested in existing transport technologies. Getting oil and gas companies—and consumers—to switch to zero-emissions transport is a huge challenge.
Aug 30, 2024
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Energy & Green Tech
Making homes ready for net zero depends heavily on people's understanding and habits, says UK researcher
Forty percent of UK greenhouse gas emissions come from households, so the sustainable construction and everyday running of our homes could play a major role in achieving a low-carbon society.
Aug 30, 2024
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Energy & Green Tech
Scalable graphene technology could significantly enhance battery safety and performance
Researchers at Swansea University, in collaboration with Wuhan University of Technology, Shenzhen University, have developed a pioneering technique for producing large-scale graphene current collectors.
Aug 29, 2024
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Engineering
Scientists develop eco-friendly microfabrication method using water and paper
Imagine being able to create incredibly tiny structures with the same ease and sustainability as printing on paper. This is the frontier of microfabrication—the process of making microscopic structures that are crucial ...
Aug 29, 2024
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Energy & Green Tech
Researchers discover a surprising way to jump-start battery performance
A lithium-ion battery's very first charge is more momentous than it sounds. It determines how well and how long the battery will work from then on—in particular, how many cycles of charging and discharging it can handle ...
Aug 29, 2024
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Energy & Green Tech
Clean energy solutions offer new spark for Europe's small island nations
Malta and Cyprus team up with larger EU countries to increase their clean energy capacity.
Aug 29, 2024
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Engineering
How low can we go? Radical change is needed to cut the carbon that goes into buildings to net zero, say researchers
Buildings are one of our biggest contributors to global heating. They produce 37% of all greenhouse gas emissions from energy use and production processes. Building emissions are made up of two parts: operational carbon (from ...
Aug 29, 2024
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Energy & Green Tech
Quarter of China's energy now comes from non-carbon sources: white paper
A quarter of all the energy China consumes now comes from non-carbon sources, according to research published Thursday, as Beijing rapidly pivots its huge economy to a greener footing.
Aug 29, 2024
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Energy & Green Tech
Investigating effects of different frame sealing structures on durability of membrane electrode assemblies
Fuel cells offer a promising solution for clean energy with advantages over traditional electric power systems, including extended driving range and higher energy density. Despite these benefits, the high costs and durability ...
Aug 29, 2024
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Energy & Green Tech
Switzerland reopens door for new nuclear power plants
Switzerland said Wednesday it was open to building new nuclear power stations in the long term, given new geopolitical uncertainties, climate targets and population growth boosting the demand for electricity.
Aug 29, 2024
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Energy & Green Tech
Solid-state electrolyte advance could double energy storage for next-gen vehicles
Using a polymer to make a strong yet springy thin film, scientists led by the Department of Energy's Oak Ridge National Laboratory are speeding the arrival of next-generation solid-state batteries. This effort advances the ...
Aug 28, 2024
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Energy & Green Tech
Novel organic redox-active molecules for flow batteries show stable cycling performance
Organic redox-active molecules (ORAMs) are abundant and diverse, offering significant potential for cost-effective and sustainable energy storage, particularly in aqueous organic flow batteries (AOFBs). However, ensuring ...
Aug 28, 2024
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Engineering
Thermochromic material could make indoor temperature control more energy-efficient
Rice University researchers have developed a smart material that adjusts its transparency with changes in temperature, outperforming similar materials in terms of durability, transparency and responsiveness. The new polymer ...
Aug 28, 2024
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Energy & Green Tech
Giant batteries to store wind and solar power could speed up South Africa's energy transition
South Africa is at a pivotal moment in its energy transition: trying to decarbonize its economy (move away from coal) and make sure that everyone has access to reliable and affordable energy. Storage of renewable energy is ...
Aug 28, 2024
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Energy & Green Tech
China's solar sector blazes trail in commitment to renewables
Hundreds of rows of gleaming panels blanket swathes of scrubby sand at sunset in a remote northern Chinese desert—once the biggest solar farm in the world.
Aug 28, 2024
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Business
NZ energy crisis: Electricity demand will jump as NZ decarbonizes—can renewable generation keep up?
The prime minister has called it an "energy security crisis" and signaled a review of New Zealand's electricity market as wholesale prices spike and industries suffer.
Aug 28, 2024
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Energy & Green Tech
Ethiopia says mega-dam doubles electricity output
Ethiopia said it has more than doubled electricity production from its controversial mega-dam on the Blue Nile after two more turbines started operations.
Aug 28, 2024
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Engineering
New air-based refrigeration system developed to replace harmful refrigerants
The Korea Institute of Energy Research (KIER) has developed, for the first time in the country, a refrigeration technology that uses air as a refrigerant instead of Freon gas, hydrofluorocarbons (HFCs), and other refrigerants ...
Aug 27, 2024
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