Articles tagged with Energy
Researchers at University of Cambridge found that disordered carbon electrodes in supercapacitors store more energy than ordered ones. The study used nuclear magnetic resonance spectroscopy to analyze electrode materials and found a correlation between disorder and energy capacity.
Researchers investigated the effect of design parameters on system performance enhancement in spectral beam splitting hybrid PV/T systems using water-based SiO2 nanofluid. They found that optimal SiO2 nanofluid concentration balances efficiency and cost-effectiveness, with a maximum efficiency of 51.93% at a focusing ratio of 3.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
A recent analysis by DOE/Argonne National Laboratory and NREL suggests that renewable energy could reduce carbon footprint at the South Pole. The study found that using solar energy during the austral summer could save approximately $57 million over 15 years.
Researchers developed an all-in-one adhesive electrode that simplifies fabrication and overcomes interfacial displacement issues in flexible supercapacitors. The new material enables faster charging, discharging, and improved mechanical endurance.
A study enhances HVAC fault detection accuracy using a modified transformer model and adapter-based transfer learning, enabling efficient generalizability across various systems. This approach promises improved energy savings and system reliability in building energy management.
Researchers at Tsinghua University have developed a new fabrication method for flexible solar cells, increasing their power conversion efficiency by up to 25.09%. The new technique uses a chemical bath deposition method that is compatible with acid-sensitive substrates, addressing durability concerns and enabling scalable production.
The University of California, Riverside's new QuVET center aims to harness quantum mechanics in energy and time, with a focus on vibronic effects in molecular systems. The collaboration between UCR and top universities will explore ways to enhance energy transport efficiency and develop new technologies.
Researchers at Brookhaven National Laboratory and University of North Carolina Chapel Hill develop a room-temperature conversion reaction strategy to convert carbon dioxide into methanol. The process employs a recyclable organic reagent and sunlight, producing an easily storable and transportable liquid fuel.
Scientists will study neutrinos to solve big questions about the universe. UTA is building portions of two detectors in South Dakota and training students to help with the project.
Researchers created high-efficiency Se-containing electrocatalysts for overall water splitting using 2D layered metal-organic frameworks. The unique structure and synergistic effect between components significantly improve the electrochemical performance.
Researchers at MIT and Commonwealth Fusion Systems confirm their high-temperature superconducting magnet design meets the criteria for a compact fusion power plant. The successful test marks a significant milestone in fusion research, with the potential to usher in an era of virtually limitless power production.
Researchers developed a model to predict household energy costs with over 74% accuracy by analyzing passive design characteristics from Google Street View images. The model can help identify neighborhoods vulnerable to energy burden and pave the way for smart, sustainable cities.
Researchers discovered a propeller-shaped isomer, 3PNIN, that improves the functionality of cathode interfacial materials in organic solar cells. The molecule enhances electron mobility and conductivity, leading to higher power conversion efficiency rates.
Researchers explore metal organic frameworks-based cathode materials to overcome sulfur's limitations in lithium-sulfur batteries. Advanced materials could restrain dissolution and diffusion of polysulfide, improving conductivity and structural stability.
MIT researchers found that applying a small voltage to a catalyst can significantly increase the rates of non-redox chemical reactions used in petrochemical processing and pharmaceutical manufacture. This discovery has the potential to transform our understanding of catalysis and design new reactors to take advantage of this phenomenon.
Scientists at University of Utah and University of Massachusetts Amherst uncover the physics behind dopant-polymer interactions that explain inconsistent conductivity issues in organic materials. The discovery reveals that a critical mass of electrons triggers collective screening, allowing rest of electrons to flow unimpeded.
The book offers hope and impetus in the right direction by demonstrating that human courage and reason can help overcome paralyzing fear. It highlights the need for self-reliance, revitalization of human values, personal and local action, and a global perspective to steer humanity towards a modern world.
JET's final deuterium-tritium experiments demonstrated high fusion power consistently produced for 5 seconds, setting a world-record of 69 megajoules using 0.2 milligrams of fuel. The facility has reliably created fusion plasmas with the same fuel mixture as commercial fusion energy powerplants.
Researchers at Stanford University have discovered that resting lithium metal batteries in the discharged state can restore capacity and boost overall performance. By reprogramming the battery management software, lost capacity can be recovered without additional cost or changes needed for equipment, materials, or production flow.
Researchers from PolyU develop a durable, highly selective and energy-efficient CO2 electroreduction system that converts CO2 into ethylene for industrial purposes. The APMA system achieves high specificity of 50% and operates for over 1,000 hours at an industrial-level current of 10A.
A Swiss-Polish team has found the answer to why previous attempts to use magnesium hydride for efficient hydrogen storage failed. The researchers developed a new model that predicts local, thermodynamically stable clusters are formed in magnesium during hydrogen injection, reducing hydrogen ion mobility.
Researchers at Stanford University have developed a new phase-change memory that could help computers process large amounts of data faster and more efficiently. The technology improves several metrics simultaneously, including speed, endurance, and stability, while operating below 1 volt.
Scientists at Kyushu University use machine learning to identify promising green energy materials, accelerating the search for hydrogen fuel cell efficiency and expanding material discovery capabilities. Two new candidate materials with unique crystal structures have been successfully synthesized.
Air pollution emissions have decreased substantially in the US over the last four decades, but racial and socioeconomic disparities remain. The study found that certain populations experienced relatively smaller reductions or even increases in air pollution emissions, highlighting the need for targeted policies to address inequities.
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.
Scientists created a new type of polyimide film that exhibits high photocurrent response and efficient charge separation. The study found that the conjugate size of aromatic unit has a significant impact on PEC performance.
Researchers have developed a new catalyst that exceeds 30% yield for the production of ethylene through oxidative coupling of methane, a more sustainable and economically viable method. The core-shell Li2CO3-coated mixed rare earth oxides catalyst enables sequential oxygen switching, replenishing its ability to provide oxygen for the r...
Researchers developed a multi-elemental alloy electrode composed of nine non-noble metals that performed sustainably over a decade when powered by solar energy. This innovation enables direct seawater electrolysis without using fresh water, promoting hydrogen production in regions with abundant renewable energy.
A new double main-injection (DMI) strategy has been proposed to regulate fuel stratification in Gasoline Compression Ignition (GCI) mode, improving fuel economy and reducing emissions. The study found that simultaneous main-injection and exhaust gas recirculation can achieve rapid fuel supply and control of combustion.
A recent study suggests that AI can provide real-time analysis of foods and support nutritionists in their work with patients. The study evaluates the consistency and accuracy of AI in providing energy and macronutrient information, showing promising results.
A new process developed by KIT researchers reduces steel production's greenhouse gas emissions by several hundred million tons per year. The technology, known as dry reforming, replaces coke with hydrogen-rich synthesis gas to support iron oxide reduction in blast furnaces.
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.
Researchers at Tsinghua University Press have developed a non-precious metal electrocatalyst for water splitting, achieving stable oxygen evolution reactions (OER) and hydrogen evolution reactions (HER). The FeSnCo Sx Oy /NF catalyst shows promise in reducing carbon-based energy sources and producing more energy than gasoline.
A new electrocatalyst made of nickel, iron, and silicon decreases the amount of energy required to synthesize hydrogen gas from water, making it more practical for clean energy production. The catalyst, known as FeNiSi, also reduces the energy required to generate oxygen, making it a bifunctional electrocatalyst.
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.
Researchers develop AI methods to analyze photoluminescence data and identify factors influencing coating quality. The findings provide a blueprint for improving production processes and boosting the efficiency of highly efficient solar cells.
Researchers developed a system to capture sound waves in enclosed spaces like theaters and concert halls, converting them into electrical energy. This reduces the risk of hearing loss and promotes an environmentally friendly power management feature.
Researchers at DTU Energy replicated a 2021 experiment where a fast-spinning magnet caused another magnet to hover. The force affecting the magnets is attributed to coupling between movement and magnetic force, allowing it to defy classical physics.
Researchers at University of Maryland develop a new 'cooling glass' coating that can lower indoor temperatures by 3.5 degrees Celsius without electricity. The technology has the potential to reduce mid-rise apartment building's yearly carbon emissions by 10%.
Scientists have developed a new, efficient ethanol catalyst made from copper nanoparticles, which is cheaper than platinum and could increase the potential of ethanol fuel cells. The catalyst was created through laser melting and shows great promise for improving ethanol oxidation.
A large study of used cars and SUVs found battery electric vehicles driven almost 4,500 fewer miles than gas cars annually. This challenges current assumptions about emissions savings from EVs, highlighting the need for better understanding of driver behavior to accurately predict emissions reductions.
Researchers from SLAC National Accelerator Laboratory and Stanford University propose the Cool Copper Collider, a next-generation accelerator that could probe elementary particle physics at higher energy scales. The proposal aims to reduce energy consumption by up to 50% through improved design and materials.
Researchers at MIT and Harvard University have developed an efficient process to convert carbon dioxide into a stable, solid formate fuel that can be used in fuel cells and generate electricity. The new process achieves over 90% conversion efficiency and eliminates the need for toxic and flammable fuels.
A comprehensive review of polyoxometalate (POM)-based nanohybrids charts their potential in improving sustainability across various industries. The nanohybrids have unique catalytic properties, enhancing photoelectrochemical reactions and promising applications in clean energy conversion, sensors, and electronics.
Scientists at ETH Zurich have developed a new, environmentally friendly fuel cell membrane made from chicken feathers. The keratin-based membrane replaces toxic substances and reduces carbon emissions. This breakthrough could enable the widespread adoption of hydrogen power as a sustainable energy source.
Researchers have developed a high-performance magnesium-air primary battery using nitrogen-doped nanoporous graphene as air electrodes, offering superior performance to platinum cathode-based batteries. The battery's porous electrode structure facilitates air transport and prevents rapid corrosion of the Mg electrode.
The MIT team designed a train-like system of reactors that harnesses the sun's heat to produce clean hydrogen fuel with up to 40% efficiency. This could drive down costs and make solar thermochemical hydrogen (STCH) a scalable option for decarbonizing transportation.
Researchers from Tokyo Institute of Technology have successfully tested quantum annealing on a D-Wave 2000Q quantum computer for optimizing continuous-variable functions. The study found that QA can significantly outperform state-of-the-art classical algorithms, especially when the energy barrier is high.
Researchers at OIST have developed a quantum engine that uses the principles of quantum mechanics to create power, replacing traditional fuel-based methods. The engine's efficiency can reach up to 25% and has potential applications in devices such as batteries and sensors.
Researchers developed a graphene-based proton-exchange membrane that successfully suppresses the crossover phenomenon, allowing for high proton conductivity while blocking fuel molecule penetration. This study contributes to the development of advanced fuel cells as an alternative to hydrogen-type fuel cells.
A team led by Professor In Soo-Il at DGIST developed a high-efficiency photocatalyst that converts CO2 into methane using solar energy. The research improved the composition of nanoparticle co-catalysts and ruthenium doping to maximize optical and electrical properties, achieving enhanced CO2 adsorption and conversion efficiency.
A recent study suggests that higher intake of ultraprocessed foods, particularly those with artificial sweeteners, may be associated with an increased risk of depression. The exact mechanism is unknown, but researchers believe that artificial sweeteners could play a role in the development of depression.
Researchers from the University of Oldenburg developed a new stochastic method to mitigate sudden swings in wind turbine power output. The study found that control systems are mainly responsible for short-term fluctuations and can be optimized to ensure more consistent energy output.
Researchers have developed a novel, fully bio-based starch plastic with remarkable flexibility, hydrophobicity, and self-healing properties. The material's ability to be thermally processed and adaptively heal scratches and large-area damage makes it highly appealing for various applications.
Researchers have developed a new method to calculate the health and climate impacts of reducing buildings' energy consumption. The tool estimates co-benefits under different energy use scenarios, providing insights into the economic value of reducing greenhouse gas emissions and premature deaths caused by air pollution.
A study by University of Washington Bothell and Seattle Pacific University researchers examines how teachers applied a holistic approach to analyze the social and cultural impacts of power plants. The authors found that connecting students with realities beyond the classroom prepares them to engage in community decision making.
Researchers from Korea Maritime and Ocean University developed a new framework for solving the energy efficiency problem in IIoTs. The proposed SWIPT-NOMA-DAS system is five times more energy efficient than existing systems, with significant improvements in performance and battery life extension.
Researchers at Auburn University are developing a Findable, Interoperable, Accessible, and Reusable (FAIR) data platform to manage fusion device data according to FAIR standards. The project aims to accelerate fusion energy research by enabling strong collaborations and promoting diversity in the workforce.
A Chinese research team has developed a power generator that collects and produces continuous electrical signals from natural atmospheric humidity. The device uses nano-sized polyoxometalates, which are environmentally friendly and have high stability in various environments.