Articles tagged with Sustainable Energy
Researchers found that shadows on single cells or parallel-connected cells result in similar output current decrease ratios to sunlight. However, series-connected cells experience excess power loss and temperature rise, leading to further degradation.
Researchers from Gwangju Institute of Science and Technology design a novel approach to create durable organic semiconductor photocathodes, enabling high-efficiency conversion of solar energy to hydrogen. The developed photocathodes demonstrate remarkable stability and can produce hydrogen under actual sunlight.
The ANEMEL project aims to develop efficient electrolysers for green hydrogen production, targeting low-grade water sources. The €3 million EU funding will expedite prototype design and catalyse commercialisation of the technology.
Researchers develop TiO2-δNδ nanowire arrays to enhance N2 reduction to ammonia, achieving high yields and efficiency. The study demonstrates synergistic effects of oxygen vacancies and titanium ions in improving electrocatalytic performance.
A new study by Cornell University researchers suggests that green policy incentives for carbon capture and renewable energy can help reduce the environmental impact of cryptocurrency mining. States with lower electricity prices and a higher share of renewable energy in their grids are best suited for this approach.
Researchers at Washington State University found that eco-friendly hotel certifications do not lead to financial benefits for hotels. However, displaying comparable pricing information and informing consumers about green certification can boost future sales. The study suggests that the tourism industry needs sustainable practices to re...
Researchers have developed a new technique to dope gallium nitride (GaN), creating high-power electronic devices with reduced energy loss and increased efficiency. This breakthrough enables the use of GaN in compact power electronics for sustainable infrastructure, such as smart grids.
Scientists create zinc battery with chitosan-based biodegradable electrolyte, reducing environmental burden. The new battery stores power from large-scale wind and solar sources, uses abundant zinc, and can be broken down by microbes, making it a viable option for sustainable energy storage.
Researchers create new 'roadmap' for turbulence by analyzing weak turbulent flow between two independently rotating cylinders. They discover that turbulence follows a predictable pattern of recurrent solutions, which explain the emergence of coherent structures in turbulent flows.
ORNL researchers have won seven 2022 R&D 100 Awards for their advancements in materials science, machine learning, and energy storage. DuAlumin-3D, a high-strength aluminum alloy, and Gremlin, an AI system to identify weaknesses in machine learning models, are among the winning technologies.
A new study finds that adapting to climate change will require more energy than previously estimated, leading to higher energy investments and costs. Ambitious mitigation policies can cut the increase in energy system costs induced by adaptation, resulting in net gains.
A study of 3,637 Indian farmers found that COVID-19 disrupted agricultural labor and supply chains, but didn't lead to a significant increase in sustainable farming practices. Despite this, many farmers expressed interest in learning more about sustainable methods.
Researchers from Chung-Ang University have developed a novel device that uses respiration to power sensors in gas masks, allowing for a continuous electrical output. The device, called IVF-TENG, demonstrates potential applications in portable electronics and wireless data transmission.
A new study suggests that using propane as a refrigerant in air conditioners could significantly reduce the global temperature increase from space cooling, with a potential decrease of up to 0.09°C by the end of the century. This is due to propane's low global warming potential score of less than 1.
New research reveals that fossil fuel companies' decarbonisation scenarios are incompatible with Paris Agreement goals, with most projecting high levels of warming and exceeding the 1.5°C limit. The study provides a critical assessment of scenarios published by public, commercial, and academic institutions.
GIST scientists create a new method to produce OSCs using zinc oxide that overcomes scalability issues without compromising PCE. The new technology uses sputtered ZnO and a ZnO nanoparticle layer obtained through blade coating, resulting in high conversion efficiencies.
Researchers at University of the Basque Country have developed a convolutional neural network to predict flow characteristics around flow control devices on wind turbines. The model achieves accurate results with minimal computational time, reducing errors compared to traditional CFD simulations.
Researchers from Tokyo University of Science create a metal–organic framework-based magnesium ion conductor showing superionic conductivity at room temperature, overcoming the limitations of magnesium ion-based energy devices. The novel Mg2+ electrolyte exhibits a high conductivity of 10−3 S cm−1, making it suitable for battery applica...
Argonne researchers develop a new way to calculate the environmental impact of ammonia production, evaluating two promising methods: carbon capture and water electrolysis. The study aims to reduce greenhouse gas emissions and fossil fuel use in fertilizer production.
Scientists have developed a novel technology that uses bacteria grown on a synthetic semiconductor device to convert sunlight, water, and carbon dioxide into acetate and oxygen. This process produces high-value fuels and chemicals powered by renewable energy, aiming to reduce greenhouse gas emissions and address the global energy crisis.
A UMass Amherst team has engineered a biofilm capable of producing electricity from the energy in evaporation and converting it into a steady supply. This innovation has the potential to revolutionize wearable electronics by powering small devices and potentially entire electronic systems.
Rensselaer researchers propose a sustainable alternative to lithium-ion batteries by using calcium ions. The new technology has shown promising results in terms of performance and cost efficiency.
A new energy plan developed by researchers at Kyushu University suggests a more sustainable future energy system that includes 61% renewable-based electricity. The plan, which prioritizes solar and wind power, exceeds current projections by 50%, with significant reductions in coal-based generation and nuclear power.
A new electrode material Co3O4@NiMoO4 has been developed for flexible hybrid capacitors, exhibiting high energy density and long cycle stability. The material was grown on porous nickel foam using a two-step hydrothermal method, providing a conductive skeleton for the electrodes.
The Electrifying Technical Organic Syntheses (ETOS) research network, coordinated by JGU, will be funded from BMBF to support the development of new techniques for organic chemical synthesis using electrolysis. The cluster aims to promote forward-looking innovations and secure technological sovereignty.
A team of researchers developed a low-energy and efficient way to harvest and concentrate valuable chemicals from microalgae, which can be grown on waste materials. This membrane-based process enables continuous extraction and concentration of secreted metabolites, paving the way for large-scale bio-factories.
The US Department of Energy has selected six new science and technology innovators to advance game-changing clean energy technologies through the Innovation Crossroads program. The startups will receive support from world-class experts and unique capabilities at Oak Ridge National Laboratory.
Researchers developed Direct Air Capture technology to remove carbon dioxide from the air using special rail cars attached to trains. The technology harnesses sustainable energy generated during braking to capture significant quantities of CO2, making it commercially viable and attractive.
A team has developed a plan to retrofit train cars with direct air capture technology, which can remove up to 6,000 tonnes of carbon dioxide per year. The system uses energy generated from the train's braking system, reducing costs and environmental impact.
A team of scientists has designed a system that uses water, CO2, and sunlight to produce synthetic kerosene, which can power long-haul commercial flights. The design has been implemented in the field, and its efficiency is around 4%, with plans to improve it to over 15%.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
Researchers at the University of Bayreuth have created a test system to characterize and compare passive cooling materials, overcoming challenges in determining their performance. The system mimics key factors influencing passive cooling performance, allowing for reproducible tests under identical conditions.
Researchers at Stanford University found that deep subsurface microbial communities can change in a matter of days, driven by geological activity rather than environmental pressures. The study provides new insights into the complex dynamics of these underground ecosystems and opens up possibilities for mapping the deep subsurface.
A recent study found that perovskite-on-silicon solar PV modules have 6-18% less environmental impact than traditional silicon modules over their 25-year lifetime. The tandem technology's higher power conversion efficiency compensates for its additional material and production costs.
A new distributed recycling system using microwave irradiation recovers 97% of manganese oxide and zinc from spent alkaline batteries, outperforming conventional methods. The system's potential to reduce annual energy consumption and greenhouse gas emissions in Japan is estimated at 26,500 GJ and 1.54 Gg-CO2 eq, respectively.
A new study by ICTA-UAB reveals that existing climate mitigation scenarios perpetuate energy use inequalities between the Global North and South. To stop climate change, the Global North must reduce its energy consumption to sustainable levels while allowing for sufficient growth in energy use in the rest of the world.
Using concentrated sunlight, a team of researchers from Sandia National Laboratories successfully roasted green chile, achieving comparable results to traditional propane roasting. The study found that solar power reduces greenhouse gas emissions by 2.68 pounds per 22 pounds of green chile roasted.
Researchers at Oak Ridge National Laboratory demonstrate a system that can detect propane leaks within seconds, alerting emergency services. They also study the secrets of silicon deposits in plants to enhance soil carbon storage. Additionally, they assess the viability of retrofitting untapped dams for hydropower electricity generation.
A team of researchers has discovered 1.2-billion-year-old groundwater containing radiogenic helium, neon, and xenon, which could sustain subsurface microbial communities. The study reveals how energy stored in the Earth's subsurface can be released and distributed through its crust.
A new nanosheet-laminated photocatalytic membrane has been successfully developed by Kobe University researchers, demonstrating excellent water permeance and photocatalytic activity. The membrane's photocatalytic properties make it easier to clean, reducing fouling and increasing its potential for tackling global environmental issues.
Researchers at Lawrence Berkeley Lab have found a way to generate an alternative jet fuel by harvesting an unusual carbon molecule produced by soil-dwelling bacteria. The fuel, which works similarly to biodiesel, has the potential to be powerful enough to send a rocket into space.
Researchers at Chalmers University of Technology have developed a thermochemical recycling method that produces gas containing carbon atoms from mixed waste, which can be used to create new plastic products. The process eliminates the need for fossil raw materials and achieves negative emissions.
Researchers at Lawrence Berkeley National Laboratory have created a new type of fuel that has higher energy density than traditional heavy-duty fuels. The biofuel, called POP-FAMEs, is produced by bacteria fed with plant matter and can significantly reduce greenhouse gas emissions when burned.
Researchers developed a thin-layer version of barium titanate, enabling faster switching and lower voltages for next-gen memory and logic devices. The findings could pave the way for more sustainable computing power with reduced energy consumption.
A study by Ritsumeikan University researchers analyzed the life cycle assessment of nuclear power generation, revealing varying TMR coefficients across different mining methods and fuel cycles. The results show that nuclear power generates similar natural resources as renewable energy, significantly less than thermal power.
A new Imperial analysis found that biogas and biomethane supply chains release more than twice as much methane as previously estimated, with 62% of leaks concentrated in a few 'super-emitters'. The researchers call for better monitoring and fixing of leaks to ensure the continued use of these climate-friendly gases.
A new study uses finite element simulation to optimize energy harvesting from vibrating micromagnets for wireless sensor networks in the Internet of Things. The research aims to provide a sustainable micro-energy source for the ubiquitous sensors, reducing the need for battery replacements or recharging.
Researchers from Johannes Gutenberg University Mainz have achieved a breakthrough in using chromium compounds for efficient green-to-blue photon upconversion. This process can expand the use of low-energy sunlight in solar cells and photochemical reactions, reducing environmental impacts associated with rare metal extraction.
A recent study by Colorado State University economists and NOAA found that improved wind forecasts result in significant energy savings for consumers. The research shows a net gain of over $150 million in annual savings through better predictions of wind patterns.
Researchers have developed a single-cell PV design integrated with nonreciprocal optical components to provide 100-percent reuse of emitted radiation, breaking the Shockley–Queisser limit. This breakthrough enables a quasimonochromatic radiation converter to reach the theoretically maximum Carnot efficiency.
A team of researchers from Waseda University developed a novel solution to efficiently solve complex optimization problems using Ising machines. Their hybrid algorithm reduces residual energy and reaches more optimal results in shorter time, increasing the machine's applicability across industries and sustainability practices.
Researchers in China and the US developed a computer simulation model addressing solar power's intermittency by adding biomass to advance a reliable, affordable heating solution. The proposed solar-biomass hybrid system provides cleaner energy than fossil fuel for single-family homes.
Researchers propose a novel gravitational-based storage solution using lifts in tall buildings to store energy. The system, called Lift Energy Storage Technology (LEST), stores energy by lifting wet sand containers or other high-density materials.
Researchers at North Carolina State University have developed a new technique for extracting hydrogen gas from liquid carriers, making it faster, less expensive and more energy efficient. The new method uses sunlight and a reusable photocatalyst to release hydrogen molecules, reducing the need for rhodium and lowering production costs.
Researchers at NYU Abu Dhabi have discovered that organic crystals can efficiently convert energy, meeting the needs of advanced technologies such as soft robotics and artificial muscles. The material's ability to expand and contract repeatedly without deterioration makes it suitable for applications in electronics.
The summit focuses on emerging innovations and scientific capabilities from DOE national laboratories, including self-reinforced cement, temperature-based hibernating batteries, and acoustic tags. These place-based research solutions aim to address challenges in energy resiliency and the maritime industry.
The 27th North American Meeting will focus on technological challenges, breakthrough discoveries, and state-of-the-art research in catalysis. The meeting features plenary lectures by renowned experts in the field.
Researchers found that improved wind forecasts resulted in at least $384 million in energy savings for US consumers over the last decade. The study used NOAA's HRRR model to compare forecast accuracy and quantify cost savings.
A new study by University of Wisconsin-Madison researchers suggests that eliminating air pollution emissions from energy-related activities in the United States would prevent over 50,000 premature deaths each year. The study also found that this action could provide more than $600 billion in benefits annually from avoided illness and d...
A nationwide survey reveals a significant increase in the use of modern energy like electricity and gas for cooking and heating in rural China. The study found that households used an average of 3 different types of fuels, with time-sharing of E&G increasing by 69% for daily cooking activities.