Articles tagged with Solar Energy
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A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers develop artificial photosynthesis devices to convert sunlight into oxygen, potentially supplementing space travel with sustainable energy. These devices mimic plants' natural process, recycling carbon dioxide and producing oxygen using only sunlight.
Researchers propose a device design that can take the efficiencies of 2D TMDC devices from 5% to 12%, doubling the weight-saving potential. This breakthrough could address the energy supply challenges in space exploration and settlements, where traditional solar cells are too heavy to be transported by rocket.
Researchers have discovered that certain soapstone and granite samples from Tanzania are well-suited for storing solar heat, featuring high energy densities and stability. These rocks show promise as a sustainable energy storage material for concentrated solar power generation and solar drying technology.
Researchers at Indian Institute of Science developed a novel thermal desalination system that uses solar energy to produce freshwater. The system is more energy-efficient and cost-effective than traditional methods, and can be adjusted to align with the sun's position during the day.
A New Jersey Institute of Technology research team has been awarded a $4.64 million grant to continue studying the Sun's explosive activity at Big Bear Solar Observatory. The team will use the observatory's unique imaging capabilities and stable seeing conditions to investigate solar phenomenon as activity on the Sun ramps up.
Perovskite photovoltaics are promising for generating solar energy due to their ability to be printed like newspapers and require less material than traditional technologies. However, these materials exhibit instabilities that can cause them to degrade quickly, hindering their commercial viability.
Long-duration energy storage (LDES) is crucial for US states with decarbonization goals to address variable energy generation and customer demands. LDES systems can store renewable energy until needed, providing a reliable solution for a decarbonized grid.
Researchers fabricated 2D perovskite solar cells based on molecular ferroelectrics, achieving the highest open circuit voltage and best efficiency among 2D Ruddlesden-Popper perovskite solar cells. The introduction of ferroelectricity improved charge transport and device performance.
Researchers at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.
A new study reveals that rooftop solar arrays can meet the entire electricity demand of up to 35% of US manufacturers, currently accounting for only 2.2% of the grid mix. The research investigates the feasibility of on-site solar panel installations across different regions and manufacturing sectors in the US.
A study found that defects with deep energy levels deteriorate kesterite thin-film solar cell properties. The research team identified specific types of defects and proposed a method for preventing their formation. This could lead to improved efficiency for these cells.
New research suggests that households could break even on their solar panel investments by 2027, thanks to a steady decline in cost outlay and return on investment. The study also predicts that solar electricity will become a more competitive energy source, making it 40-50% cheaper by 2035.
Researchers at City University of Hong Kong have developed a multifunctional additive that improves the efficiency and stability of perovskite solar cells by modulating film growth. The additive reduces defects, leading to higher power conversion efficiency and lower energy loss.
Perovskite solar cells face stability issues that hinder their widespread adoption. Researchers from Surrey University aim to improve the design of these cells by stabilizing photoactive phases.
Researchers have developed an electrolyte to improve the efficiency of CO2 conversion into useful hydrocarbons. The study found that controlling the concentration of the electrolyte is crucial in regulating product formation, with too much potassium leading to clogage and reduced selectivity.
ASU researchers have developed a method to regenerate biocrusts on arid lands by harnessing the power of solar farms. The approach, dubbed 'crustivoltaics,' has shown promising results in doubling biocrust biomass and tripling biocrust cover under photovoltaic panels.
Researchers from City University of Hong Kong and NREL developed a one-step solution-coating approach to simplify PSC manufacturing, resulting in high efficiency and stability. The new method reduces process complexity and cost, bringing PSCs closer to commercialization.
Researchers boosted multi-hole water oxidation catalysis on hematite photoanodes using UV excitation, increasing surface holes and improving PEC activity by one order of magnitude.
Researchers at Colorado State University propose using ultrathin films of molybdenum disulfide to improve solar cell efficiency. The material displays unprecedented charge carrier properties that could lead to drastic improvements in solar technologies.
Global experts urge a commitment to PV growth to power the planet, citing increasing acceptance and need for large-scale deployment. By 2050, 75 terawatts or more of globally deployed PV will be needed to meet decarbonization goals.
The system uses a parabolic dish to concentrate solar radiation, which is then converted into hydrogen, oxygen, and heat through photoelectrochemical cells. The output power exceeds 2 kilowatts, achieving record-high efficiency for its scale, with potential applications in industrial, commercial, and residential energy.
Researchers at Macquarie University have developed a microwave technology that improves solar cell production by reducing energy consumption and increasing efficiency. The new method allows for selective heating of silicon, making it easier to recycle and reuse components.
Researchers at Chalmers University of Technology developed a new recycling method for solar cells that uses acidic solutions to separate precious metals. The process recovers up to 100% of the silver and 85% of the indium, making it more environmentally friendly and cost-effective than traditional methods.
Researchers at Kyoto University have successfully created silicon-based photovoltaics at room temperature using a hybrid PEDOT:PSS/silicon heterojunction. This breakthrough technology offers improved production speed and cost, with power generation efficiency above 10%. The new process has the potential to facilitate large-scale diffus...
A new study suggests that using underground water for thermal energy storage (ATES) can reduce heating and cooling energy demand in the US by 40%, making urban energy infrastructure more resilient. ATES stores energy as temperature underground, leveraging natural geological features to heat or cool buildings during extreme weather events.
Researchers at the University of Adelaide have found that more predictable solar or wind energy generation can save millions of dollars in operating costs and prevent clean energy spillage. By analyzing six existing solar farms, they discovered that optimal locations changed when predictability was considered, leading to significant in...
A comprehensive product stewardship scheme has been proposed to address the environmental impact of solar panel disposal in Australia. The plan includes recycling steps, serial numbers for tracking, and legislation to ensure environmentally friendly disposal.
Researchers have developed a method to reduce the energy payback time of photoelectrochemical water splitting, making it more sustainable and competitive. The approach involves producing not only green hydrogen but also methyl succinic acid, which can be used as an intermediate product.
A team of researchers at Helmholtz-Zentrum Berlin has developed a new method for producing perovskite solar cells using a slot die coater, resulting in high-power conversion efficiencies. The best cells were scaled up to mini-module size and tested for outdoor stability, showing promising results.
Researchers synthesized a new orthorhombic Sn3O4 polymorph with a narrower bandgap, indicating higher efficiency for visible light absorption. The discovery is significant for photocatalytic reactions such as water splitting and CO2 reduction.
Researchers at Swansea University have created a low-cost and scalable method to manufacture fully printable perovskite photovoltaics using carbon ink. The devices achieved similar performance to conventional gold electrodes, with power conversion efficiencies of up to 14%.
Researchers found that strategically placing charging stations, especially at workplaces and in delayed home settings, can reduce peak electricity demand, store solar energy, and conveniently meet drivers' needs. This approach could help minimize the strain on the grid and avoid costly new power plants.
Domestic solar panel manufacturing in the US can reduce greenhouse gas emissions by 30% and energy consumption by 13% compared to international trading partners. By 2050, US-made solar panels will be more efficient, reducing carbon footprint by 33% and using 17% less energy.
Researchers at UCLA have developed a new type of solar roof that can harness energy from sunlight without blocking light for plants. The innovative design uses semi-transparent organic solar cells with a layer of L-glutathione, which extends the cells' lifetime and improves efficiency.
Research at Cornell University found that co-locating solar panels with commercial agriculture can improve power conversion efficiency and solar-panel longevity. Agrivoltaic systems offer increased passive cooling through taller panel heights, more reflective ground cover, and higher evapotranspiration rates.
A novel deep learning-based forecasting model predicts uncertain parameters related to renewable energy sources, their energy demand, and market prices. The model demonstrates improved prediction accuracy and efficiency compared to existing methods.
Channeling ions into grain boundaries in perovskite materials improves the stability and operational performance of perovskite solar cells, paving the way for more efficient and practical solar cell technologies. This breakthrough finding may also inform the development of more efficient energy storage technologies.
A team of researchers has uncovered the source location of a 'heartbeat-like' radio signal in a C-class solar flare, more than 5,000 kilometers above the Sun's surface. The discovery sheds light on the physical processes behind energy release and dissipation in solar flares.
Researchers have designed a solar harvester with enhanced energy conversion capabilities using self-assembling nanoparticles. The device achieves high absorbance and suppressed thermal emissivity, enabling the transformation of sunlight into thermal energy.
Carolina researchers have engineered silicon nanowires that can convert sunlight into electricity, splitting water into oxygen and hydrogen gas. This innovative design enables the production of a greener alternative to fossil fuels, making it more competitive with traditional energy sources.
A study by Carnegie Mellon University researcher Edson Severnini found that large-scale hydroelectric dams constructed in the US before 1950 spurred short- and long-term growth, while those built after 1950 had modest effects on local economies. The decline is attributed to advancements in high-tension transmission lines.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
Researchers at the University of Rochester have developed a novel method to boost the light conversion efficiency of perovskites by 250 percent using substrates of metal and dielectrics. This breakthrough could lead to more efficient solar cells and detectors.
Researchers at UToledo discovered a way to enhance adhesion and mechanical toughness in perovskite solar cells using DPPP, improving durability and power conversion efficiency. The breakthrough allows for the commercialization of new photovoltaic technology to replace silicon and lower cost of solar electricity.
Researchers at Tata Institute of Fundamental Research developed a plasmonic black gold-nickel catalyst that efficiently converts CO2 into chemicals using solar energy and green hydrogen. The catalyst shows a multifold increase in catalytic activity, achieving a high production rate of 2464±40 mmol g−1 h−1 with over 95% selectivity.
Researchers reveal thermal instability of halide perovskite solar cells due to surface treatment with large positively charged ions. However, their work also provides a direction for engineers to improve the stability of this technology, potentially leading to more efficient and stable solar technologies.
Researchers at Princeton University have developed a new solar absorber gel technology that can filter pollutants from water, producing almost fourfold more filtration rate than its predecessor. The device can provide enough clean water to meet daily demand in many parts of the world.
Researchers developed a new molten salt battery design using sodium and aluminum that can charge and discharge faster, operate at lower temperatures, and maintain excellent energy storage capacity. The battery's specific energy density could reach up to 100 Wh/kg, making it a promising solution for 10-plus hours of energy storage.
Researchers at Ritsumeikan University have successfully synthesized ring-shaped nanostructures via the self-assembly of chlorophyll derivatives, mimicking the arrangement of chlorophyll pigments observed in nature. This discovery enables efficient sunlight absorption and could lead to novel smart materials with tunable properties.
Researchers have visualized the structural dynamics of 2D perovskite materials under light-induced excitation, revealing a transient lattice reorganization towards a higher symmetric phase. The study demonstrates the potential to tune the interaction between perovskite lattices and light.
A new solar distillation device, developed by KAUST professors and researchers, can purify brine from seawater with high efficiency. The device produces double the freshwater production rate of existing technology, meeting the drinking needs of two people daily.
A $2.3 million grant from the US Department of Energy funds a 'solar testbed' at I-79 Technology Park in Fairmont, supporting research on battery storage, grid integration, and cybersecurity. The project aims to assess solar panel health and monitor grid interactions with solar power.
Researchers developed a technique that introduces a phosphonic acid-functionalized fullerene derivative and a redox-active radical polymer to strengthen the perovskite crystal structure and increase conductivity. This approach improved the stability of perovskite solar cells, achieving efficiencies comparable to traditional solar cells.
A new method for measuring bifacial solar panel performance has been developed by the University of Ottawa SUNLAB team. The study proposes a characterization method that considers external effects of ground cover like snow, grass, and soil, providing a way to accurately test panel performance indoors.
Researchers discuss non-fused ring electron acceptors (NFREAs) to improve organic solar cell performances, balance efficiency and cost, and provide guidance for material design. NFREAs simplify synthesis processes while achieving high reaction yields and planarity.
Researchers at City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
Researchers identify the (100) facet as prone to degradation, while the (111) facet is more stable and resistant to moisture and heat. By using facet engineering, they develop strategies to grow the stable (111) facet, leading to exceptionally stable perovskite films.
A team from the University of Cambridge has created a solar-powered reactor that can transform two waste streams, CO2 and plastics, into valuable products. The system produces syngas for sustainable liquid fuels and glycolic acid for the cosmetics industry, offering a promising step towards a circular economy.
Researchers used machine learning to create molecule chains that display designated colors in response to different stimuli, such as light, chemicals, and energy. This breakthrough enables faster and more efficient data storage and security applications.