Articles tagged with Renewable Energy
A Dartmouth Engineering-led study discovered a new high-performance solar absorber material that is stable and earth-abundant. The researchers used a unique high-throughput computational screening method to evaluate approximately 40,000 candidate materials, leading to the discovery of the Zintl-phosphide BaCd2P2.
Researchers are developing a new framework to integrate renewable energy sources with the power grid using machine learning. The goal is to ensure efficient and stable operations while maximizing wind and solar power usage.
Scientists created a method to study variations in power output from solar PV plants over time, accounting for distinct power fluctuations across different geographical areas. The grid integration challenge arises when including variable renewable energy sources like wind and solar into the power grid.
A new study maps the potential impact of renewable energy on biodiversity in the southwestern US. Joshua trees and kit foxes are expected to lose significant habitats by 2070 due to climate change. The study suggests advanced computer modeling can help site renewable energy resources without overlapping with biodiversity hotspots.
A team of experts at PNNL developed a new tool that sorts and prioritizes cyber threats on the fly, giving grid operators a clear blueprint to identify and address the biggest threats first. The approach uses hybrid attack graphs and optimization to reduce the number of potential attacks from thousands to fewer than 100.
Researchers have developed a chemical etching method to widen the pores of metal-organic frameworks (MOFs), which could improve their applications in fuel cells and as catalysts. The new MOF structure enables faster transfer of chemicals, enhancing activity and stability.
Researchers from 16 countries will discuss sustainable urban and rural development, renewable energy, and climate-smart technologies at the symposium. The event aims to build a global network of food-energy-water (FEW)-converged research for net-zero transition.
A study published in PLOS ONE found that EU countries have made progress towards achieving the 2030 sustainable energy goal, but some countries still have a long way to go. Malta made the greatest progress, while Bulgaria is furthest from meeting its targets.
Researchers at UNIST have developed a scalable and efficient photoelectrode module for green hydrogen production, overcoming challenges of efficiency, stability, and scalability. The team's innovative approach achieved unprecedented efficiency, durability, and scalability in producing green hydrogen using solar energy.
Researchers warn that AI tools used in radiology contribute to greenhouse gas emissions through energy consumption and data storage. To minimize these impacts, experts recommend sharing resources, selecting sustainable hardware, and using data compression techniques.
The NREL-led workshop emphasizes the importance of mitigating degradation rates for clean technologies, which will play a crucial role in meeting future energy needs. The researchers recommend increasing transparency and standardization of reliability data, as well as developing standards for various renewable energy technologies.
Researchers at KTH Royal Institute of Technology developed an open-source AI solution to address voltage fluctuations in power grids caused by renewable energy and electric vehicles. The DRL algorithms optimize large-scale coordination of energy sources safely under fast fluctuations.
A new study suggests China will need to build eight to ten times more wind and solar power installations than in 2022 to achieve carbon neutrality by 2060. The report also highlights the importance of coordinating land use policies nationwide, with a focus on areas within 100 miles of major population centers.
Researchers at Aston University will explore gel electrolyte materials to improve lithium-ion batteries' safety and environmental sustainability. The project aims to replace harmful components with renewable ionogels, addressing the need for scalable methods of storing electrical energy.
A team at TU Graz has developed a parabolic trough collector with cost-effective photovoltaic cells that generate both solar power and thermal energy. The innovation uses industrial production methods and optimises cooling to increase usability of waste heat.
A study published in Natural Resources Forum found that renewable energy production reduces carbon dioxide emissions in OECD countries but increases them in emerging economies. Economic growth also enhances environmental quality in both sets of countries, while institutional quality is linked to fewer emissions in OECD countries.
A global team of researchers has invented recyclable water batteries that don't catch fire or explode, addressing safety concerns in lithium-ion technology. The batteries use abundant materials like magnesium and zinc, reducing manufacturing costs and environmental risks.
A study by Potsdam Institute for Climate Impact Research (PIK) highlights the complementary roles of electrification and hydrogen in achieving European energy transition. Electrification is critical for sectors like transport and heating, while hydrogen is mainly used for aviation, industry, and electricity storage.
A new research proposes a hemispherical shell shape to optimize organic photovoltaic cells, achieving a 66% increase in light absorption and improved angular coverage. The study presents advanced computational analysis, revealing the remarkable capabilities of this innovative design.
The University of Texas at Dallas' Wind Energy Center is expanding its operations with a new physical headquarters, labs, meeting areas, and office space. The facility will feature cutting-edge equipment, including a wind-wave tunnel and Intelligent Energy Systems Lab.
According to a new NREL report, millions of US households would see a drop in their energy bills by using heat pumps, with median savings ranging from $300 to $650 per year. However, high installation costs limit the technology's reach, making it only financially feasible for a smaller portion of households.
A new study reveals that introducing a simple, renewable chemical to the pretreatment step can make next-generation biofuel production cost-effective and carbon neutral. A CELF biorefinery can more fully utilize plant matter than earlier methods, resulting in sustainable aviation fuel at a break-even price of $3.15 per gallon.
A team of researchers at Kyushu University found that Japan's current policy may not be enough to reduce CO2 emissions and achieve decarbonization goals. To address this, the government must extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain.
Researchers suggest replacing 50% of animal products with alternative proteins by 2050 to unlock vast energy and negative emission potentials via BECCS. This transition could free up large agricultural areas, generating enough renewable energy equivalent to today's coal-generated power while removing substantial CO2 from the atmosphere.
The study identifies areas with high carbon footprints, including those reliant on fossil fuels and manufacturing, highlighting the need for targeted economic assistance programs. The research provides a precise way to assess industrial composition, helping policymakers incorporate considerations into future policies.
Researchers from the University of Rochester's Laboratory for Laser Energetics demonstrated an effective 'spark plug' for direct-drive methods of inertial confinement fusion (ICF), achieving a plasma hot enough to initiate fusion reactions. The successful experiments use the OMEGA laser system, with the goal of eventually producing fus...
A study from Chalmers University of Technology found that the production and use of ammonia as a marine fuel can lead to eutrophication, acidification, and emissions of potent greenhouse gases. Researchers warn that the pursuit of low-carbon fuels may create new environmental challenges.
Researchers successfully improved lithium metal battery charging rates by adding a cesium nitrate compound, while maintaining long cycle life. The new findings challenge conventional beliefs about effective interphase components and contribute to the development of high-energy density batteries.
A Princeton-led study found that most common clean energy procurement strategies are ineffective in reducing long-term emissions in the US. However, one approach called temporal matching can have a substantial effect when companies purchase clean energy hourly to match their real-time energy consumption.
A self-powered movable seawall system harnesses microtidal energy to generate electricity, protecting ports against tsunamis and providing emergency power. The system is feasible in 20 Japanese ports along the western coast, facing the Nankai Trough, which is prone to megathrust earthquakes and tsunamis.
Researchers at NYU Tandon School of Engineering have achieved a breakthrough in RFD, increasing the salt removal rate by approximately 20% while lowering its energy demand. The system can store affordable renewable energy and produce potable drinking water, promising a sustainable solution to the global water crisis.
Researchers studied ant communities in different bioenergy cropping systems to understand how they shape biotic communities and their functions. They found that perennial bioenergy cropping systems with more plant diversity gave rise to a different and more diverse ant community than simpler systems.
A new study finds that many US cities will struggle to meet their renewable energy targets by 2050, with gas remaining the primary source of energy. Renewable energy generation needs to triple to meet a 45% share of energy production, but instead is often used to supplement growing energy demands.
The AMS 104th Annual Meeting will focus on climate change research, mitigation, and adaptation, with key discussions on overcoming barriers to implementation. The meeting features numerous scientific conferences and symposia covering topics like climate variability, air pollution meteorology, AI for environmental science, and more.
Artificial leaf-shaped generators, called 'power plants', capture kinetic energy from wind and convert it into electricity. They also collect energy from falling raindrops, producing high voltage but short-lived power output.
A recent study reveals that solar energy facilities planted with native grasses and wildflowers can rapidly support thriving insect populations. Total insect abundance tripled at the studied sites, providing additional pollination services to adjacent agricultural fields.
Researchers at MIT have mapped out the chemical reaction involved in proton-coupled electron transfers, a critical step in many energy technologies. They found that changes in pH affect the rate of proton motion and electron flow within the electrode.
A recent study by Leibniz-IZW and Philipps-Universität Marburg found that forest bats reduce their activity by 77% within a radius of 80-450 meters around operational wind turbines. The researchers suggest noise emission from turbine rotors is the primary cause of this avoidance behavior.
Researchers at Binghamton University have used environmental transmission electron microscopy to study the atomic-level mechanisms of water vapor-induced surface passivation. They discovered a second amorphous layer that diffuses oxygen into the substrate, indicating a transport mechanism that slows down corrosion.
A novel transparent spectral converter, GdPO4-GC:Eu3+/Pr3+, absorbs UV photons and re-emits them as visible light, increasing photovoltaic devices' conversion efficiency. This technology shields PCs from UV damage and enhances their sensitivity to UV photons.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
According to a study published in Climatic Change, US utilities are projected to decarbonize 100% by 2060, with blue states leading the way. The study found that utility companies are on track to meet or exceed state renewable energy goals and mandates, with many transitioning to renewables even without policy support.
The new platform, Arras Energy, simulates how all parts of an electric grid work together, making it easier to understand and apply the results. The tool can help utilities harden their distribution systems against extreme weather and integrate renewable energy sources.
EtaVolt's innovative technology rejuvenates old solar cells with intense sunlight, restoring performance and protecting against light and heat damage. This game-changing solution extends the operational lifespan of solar panels, reducing energy loss and e-waste.
Researchers at Chalmers University of Technology found that sodium-ion batteries have an equivalent climate impact as lithium-ion batteries without the risk of raw material depletion. They identified potential measures to further reduce climate impact, such as developing environmentally better electrolytes.
A new method has been developed to produce green hydrogen more efficiently and cheaply, using ruthenium particles and a solar-powered electrolytic system. The technology could reduce the costs of green hydrogen production on an industrial scale.
A new NSF-supported collaboration aims to improve liquid organic hydrogen carriers and use AI to identify novel approaches for a global renewable energy supply chain. The team is developing a new class of molecules, chemistries, and chemical processes to better store and transport green energy across the globe.
Researchers propose optimising campus solar PV system to support over 200 electric vehicles with free or nominal charging facilities. This could reduce annual electricity costs by more than 9% while helping lower peak power demand by at least 12%.
Researchers found that compound energy droughts can occur nationwide, with varying frequencies and durations across regions. Understanding these droughts will help grid planners prepare for energy storage needs and inform deployment of long-duration energy storage projects.
A new system combines pumped hydro storage with reverse osmosis desalination to produce both electricity and freshwater. The Integrated Pumped Hydro Reverse Osmosis System (IPHROS) can supply 661,000 homes' worth of energy and water daily.
A single Bitcoin transaction consumes approximately 16,000 liters of water, equivalent to filling a backyard swimming pool. This staggering amount of water is part of the larger environmental impact of Bitcoin mining, which could worsen water scarcity in countries already struggling with droughts.
A Binghamton University professor leads a research team to explore the stability of power grids with inverter-based resources, which have changed the grid's dynamics. The goal is to characterize the stability region without numerical simulation.
A new study finds that wind and solar projects can generate millions of dollars by leveraging bitcoin mining during the precommercial phase. The research suggests strategic placement of mining farms to maximize productivity, with Texas emerging as a top state for profitability. The authors recommend policy incentives to encourage envir...
Researchers from China University of Petroleum apply terahertz spectroscopy to characterize oil shale's anisotropy, organic distribution, and fingerprint spectrum. The method enables simultaneous characterization of main oil generation zones and natural gas zones.
A new study found that exposure to coal particulate air pollutants is associated with a mortality risk more than double that of exposure to PM2.5 from other sources. The researchers estimated that 460,000 deaths were attributable to coal PM2.5 in the US between 1999 and 2020.
A new algorithm from the University of Surrey models distributed electricity networks, finding that local renewable energy generation is generally more efficient than central storage or export. The study suggests that considering local constraints and factors like energy prices and subsidies can help design the most efficient local grids.
Researchers from the University of Córdoba have developed an alternative to traditional batteries, using a cylindrical tank immersed in water to store and release energy. The iOWC system utilizes hydrostatic pressure to compress air and expand it through a turbine, generating clean energy.
Scientists at Pohang University of Science & Technology develop biopolymer-blended protective layer to stabilize zinc anodes in metal batteries. The film facilitates uniform nucleation of zinc, reducing the formation of twig-like crystals and improving battery longevity.
Researchers at UNSW Sydney have developed a method to produce ammonia without high temperatures, pressures, and infrastructure. The new technique enhances energy efficiency and makes environmentally friendly ammonia economically feasible.
Rapid adoption of zero-emission vehicles is essential alongside a clean electric grid transition. Managing travel demand growth reduces the need for clean electricity supply. The study explores changes in technology, behavior, and policies to envision sustainable transportation systems.