Energy & Green Tech news
Engineering
Biodiesel wastewater treatment: Capturing carbon and valuable chemicals
While biodiesel provides a cleaner-burning alternative to petroleum diesel, it produces CO2 and hazardous wastewater during manufacturing, requiring extra steps to achieve sustainability. A diagnostic study led by University ...
13 hours ago
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Energy & Green Tech
Solar-powered reactor shows potential for creating jet fuel with net-zero carbon emissions
Increasing energy demands and problems associated with burning fossil fuels have heightened interest in more sustainable energy sources, such as sunlight. But there are still areas where carbon-based fuel remains the standard, ...
16 hours ago
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New sensor could help prevent lithium-ion battery fires and explosions
Researchers have developed new technology to detect dangerous gas leaks in lithium-ion batteries
15 hours ago
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New electrolytes enable safe, stable and fast-charging lithium-metal batteries
In recent years, researchers have been trying to develop increasingly advanced battery technologies that can be charged faster and store more energy, while also remaining safe and stable over time. Lithium-metal batteries ...
At Block Island Wind Farm, researchers measure impact of wind reductions on energy production
Wind turbines are a key component of renewable energy infrastructure, converting wind energy into electricity to power homes and businesses.
15 hours ago
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Energy & Green Tech
Producing nuclear fusion fuel is banned in the US for being too toxic: Researchers find an alternative
Lithium-6 is essential for producing nuclear fusion fuel, but isolating it from the much more common isotope, lithium-7, usually requires liquid mercury, which is extremely toxic. Now, researchers have developed a mercury-free ...
Mar 20, 2025
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Engineering
Electrode design could prevent explosions in next-gen batteries, allowing 1,000 km on a single charge
A research team at UNIST has identified the causes of oxygen generation in a novel cathode material called quasi-lithium and proposed a material design principle to address this issue.
Mar 20, 2025
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Engineering
Recycled cements drive down emissions without slacking on strength
Giving a second life to construction materials after demolition, engineers at the University of São Paulo and Princeton have developed an approach for recycling cement waste into a sustainable, low-carbon alternative that ...
Mar 20, 2025
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Energy & Green Tech
Hydrogen-powered boats offer climate-friendly alternative to road transport
Cargo transport is responsible for an enormous carbon footprint. Between 2010 and 2018, the transport sector generated about 14% of global greenhouse gas emissions. To address this problem, experts are looking for alternative, ...
Mar 20, 2025
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Energy & Green Tech
Technology advances could multiply geothermal output five-fold
Far below the Earth's surface is an energy source with huge and perpetual potential: geothermal heat. But the forces in its scorching and inhospitable depths must be tamed. Now scientists know what that will take.
Mar 20, 2025
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Energy & Green Tech
Boosting the efficiency of sustainable aviation fuel production
Fuels like kerosene can be produced in a climate-friendly way from CO2, water and green electricity using power-to-liquid processes. Researchers from Karlsruhe Institute of Technology (KIT) have already demonstrated this ...
Mar 20, 2025
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Energy & Green Tech
Novel solid-state electrolyte developed to enhance performance of all-solid-state lithium-ion batteries
All-solid-state lithium-ion batteries (ASSBs) have garnered attention for their high energy density and superior safety. However, their commercialization remains challenging due to the lack of solid-state electrolytes (SSEs) ...
Mar 20, 2025
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Energy & Green Tech
Lead-free chalcogenide perovskites ABSe₃ show promise for high-efficiency solar cells
Lead halide perovskites have achieved remarkable power conversion efficiencies (PCE) of up to 26.1%. However, their instability against moisture and heat, along with toxicity concerns, limits their commercial viability. To ...
Energy & Green Tech
If New Zealand wants to decarbonize energy, we need to know which renewables deliver the best payback
A national energy strategy for Aotearoa New Zealand was meant to be ready at the end of last year. As it stands, we're still waiting for a cohesive, all-encompassing plan to meet the country's energy demand today and in the ...
Mar 20, 2025
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Energy & Green Tech
A new nanoplastic paves the way for sustainable street lighting
A new study resulting from a collaboration between King Abdullah University of Science and Technology (KAUST) and King Abdulaziz City for Science and Technology (KACST) shows how nanomaterials can significantly reduce the ...
Mar 19, 2025
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Engineering
New carbon-negative material could make concrete and cement more sustainable
Using seawater, electricity and carbon dioxide (CO2), Northwestern University scientists have developed a new carbon-negative building material.
Mar 19, 2025
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Engineering
Nanocellulose treated with red onion dye provides effective UV protection for solar cells
Researchers at the University of Turku, Finland, investigated how to use bio-based materials to produce effective UV protection films for solar cells. The study, published in ACS Applied Optical Materials, was the first to ...
Mar 19, 2025
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Energy & Green Tech
'Zero modification' emission layer can achieve high-performance perovskite LEDs
Researchers have shown that even without altering the perovskite emissive layer, incorporating polycaprolactone-silver nanoparticles (PCL@AgNPs-P) as an emission gain layer can significantly enhance the luminance and external ...
Mar 19, 2025
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Energy & Green Tech
Solid-state lithium batteries may not deliver expected energy boost, study says
A recent study evaluating garnet-type solid electrolytes for lithium metal batteries finds that their expected energy density advantages may be overstated. The research reveals that an all-solid-state lithium metal battery ...
Mar 19, 2025
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Engineering
Basalt fabric-based cathode enhances solar-powered wastewater treatment
The rapid growth of industrialization has made the treatment of oily wastewater a pressing global challenge in environmental remediation. Electrocoagulation (EC), a process known for its high efficiency and environmental ...
Mar 19, 2025
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Energy & Green Tech
New method for harnessing sunlight offers path to stable, low-cost solar hydrogen production
A collaborative team of researchers from Imperial College London and Queen Mary University of London has achieved a significant milestone in sustainable energy technology, as detailed in their latest publication in Nature ...
Mar 18, 2025
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Energy & Green Tech
SrZrSe₃ chalcogenide perovskites with advanced metal sulfide hole transport layers achieve 27.8% efficiency
As the world increasingly prioritizes sustainable energy solutions, solar power stands out as a leading candidate for clean energy generation. However, traditional solar cells have encountered several challenges, particularly ...
Energy & Green Tech
China's BYD launches EV charging system it says works nearly as fast as a fill up
China's energy and auto giant BYD has announced an ultra fast EV charging system that it says is nearly as quick as a fill up at the pumps.
Mar 18, 2025
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Engineering
A quantum light source for eco-friendly production of biogas
Much of our waste is far too valuable to simply be incinerated. If it is recycled in a carefully controlled way, not only can thermal energy be generated, but the resulting gas can also be used to produce valuable chemicals—from ...
Mar 18, 2025
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Energy & Green Tech
New adsorbent captures CO₂ from air and withstands high temperatures
A research team from the Korea Institute of Energy Research (KIER) has successfully developed a new solid adsorbent capable of directly capturing CO₂ from the atmosphere and recovering it at an average high purity of 96.5%. ...
Mar 18, 2025
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