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Researchers from the University of Houston (UH) have developed a cobalt(II) oxide (CoO) nanocrystalline catalyst that can carry out overall water splitting with a solar-to-hydrogen efficiency of around 5%. Different sources of light were used, ranging from a laser to white light simulating the solar spectrum.
Utilization of renewable solar energy is crucial for addressing the global energy and environmental concerns and achieving sustainable development. In this regard, photocatalytic water splitting has attracted significant interest as a cost-effective means to convert sustainable solar energy into valuable chemicals. Credit: DICP.
Molecular photoswitches that can both convert and store energy could be used to make solar energy harvesting more efficient. The procedure was based on a dataset of more than 400,000 molecules, which the researchers screened to find the optimum molecular structure for solar energy storage materials.
Researchers from the University of Michigan and McGill University in Canada report photochemical syngas synthesis using a core/shell Au@Cr 2 O 3 dual cocatalyst in coordination with multistacked InGaN/GaN nanowires (NWs) with the sole inputs of CO 2 , water, and solarlight. under concentrated solarlight illumination.
Researchers at Monash University in Australia have conducted a lifecycle analysis and net energy analysis (LCA/NEA) of a hypothetical large-scale solar-electrolysis plant for the production of green hydrogen. In light of the sheer scale of the hydrogen challenge, several questions demand close consideration. Palmer et al.
Researchers at Washington University in St. A team of biologists and engineers modified Rhodopseudomonas palustris TIE-1 (TIE-1) so that it can produce a biofuel using only three renewable and naturally abundant source ingredients: carbon dioxide, solar panel-generated electricity and light. —Wei Bai. Ranaivoarisoa, T.O.,
Under the FOCUS program, projects will develop advanced solar converters that turn sunlight into electricity for immediate use, while also producing heat that can be stored at low cost for later use as well as innovative storage systems that accept both heat and electricity from variable solar sources. Arizona State University.
Researchers at the University of Twente’s MESA+ research institute have made significant efficiency improvements to the technology used to generate solar fuels. They fabricated a highly efficient photocathode by spatially and functionally decoupling light absorption and catalytic activity. — Vijselaar et al.
Researchers at Tel Aviv University, Israel (TAU) have found that the exoskeleton of the Oriental hornet can harvest solar energy. The team determined that the brown shell of the hornet was made from grooves that split light into diverging beams. The shell traps the light and the pigment does the conversion.
The Purdue University researchers who created the world’s whitest paint ( earlier post ) have developed a new formulation that is thinner and lighter—ideal for radiating heat away from cars, trains and airplanes. This new paint achieves nearly the same benchmark of solar reflectance (97.9%) with just a single 150-micron layer of paint.
The PairTree is an off-grid EV charger with solar, storage and two Level 2 EV chargers that can be set up in a day. These factors determine the best mix of solar, storage and grid power for a particular project. PairTree is an off-grid EV charger featuring a pop-up solar canopy, a 42.4 How much power is available at the site?
Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The platform developed by the Brown School of Engineering lab of Rice materials scientist Jun Lou integrates catalytic electrodes and perovskite solar cells that, when triggered by sunlight, produce electricity.
University of Colorado Boulder researchers have developed nanobio-hybrid organisms capable of using airborne carbon dioxide and nitrogen to produce a variety of plastics and fuels, a promising first step toward low-cost carbon sequestration and eco-friendly manufacturing for chemicals. Ding et al. —Ding et al.
A research team led by Daegu Gyeongbuk Institute Of Science And Technology (DGIST) Professor Jong-Sung Yu in Korea, with colleagues at UC Berkeley and Xi’an Jiaotong University in China, has successfully developed a new catalyst synthesis method that can efficiently decompose water into oxygen and hydrogen using solarlight.
DE-FOA-0002254 ) The funding will support the establishment of one large or possibly two smaller DOE Energy Innovation Hubs: integrated multidisciplinary, multi-institutional research teams aimed at accelerating the fundamental scientific breakthroughs needed to enable solar fuel production.
The Sparc Green Hydrogen process combines concentrated solar (CS) with photocatalytic water splitting. The company’s key development allows for reduced photocatalyst use and integration with existing concentrated solar systems. The facility is home to Australia’s largest solar thermal research hub.
Twenty-three of the projects receiving funding are headed by universities, eight are led by the Energy Department’s National Laboratories and one project is run by a non-profit organization. Light-Material Interactions in Energy Conversion (LMI). University of California, Berkeley. University of California, Riverside.
A team of scientists at the University of Cambridge has reported the light-driven photoreforming of cellulose, hemicellulose and lignin to H 2 using semiconducting cadmium sulfide quantum dots in alkaline aqueous solution. CdS is an inexpensive, visible-light-absorbing photocatalyst with a bulk electronic bandgap of around 2.4
Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Computerized tomography of a MOFC, showing buildup of TiO 2 (light blue particles) in the triangular channels. Zepler Institute, University of Southampton.
The US Department of Energy will invest up to $366 million to establish and operate three new Energy Innovation Hubs focused on accelerating research and development in three key energy areas, one of which is developing an effective solar energy to chemical fuel conversion system—i.e.,
A cheaper, cleaner and more sustainable way of making hydrogen fuel from water using sunlight is closer with new research from the University of Bath’s Centre for Sustainable Chemical Technologies. Most solar cells currently on the market are made of silicon; these are expensive to make and require a lot of very pure silicon to manufacture.
A joint research team from City University of Hong Kong (CityU) and collaborators have developed a stable artificial photocatalytic system that is more efficient than natural photosynthesis. The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. over 24 hours.
A team at Osaka University in Japan has developed a new material based on gold and black phosphorus to harvest a broader spectrum of sunlight for water-splitting to produce hydrogen. The three-part composite maximizes both absorbing light and its efficiency for water splitting. The LTO surface is partly coated with gold nanoparticles.
The home, located on the West Village campus of the University of California, Davis, is capable of producing more energy on-site from renewable sources than it consumes annually, including enough energy to power a Honda Fit EV for daily commuting. Advanced lighting. Watch videos on pozzolan and post-tensioning.
The Global Climate and Energy Project (GCEP) at Stanford University has awarded $10.5 million for seven research projects designed to advance a broad range of renewable energy technologies, including solar cells, batteries, renewable fuels and bioenergy. Light trapping in high?efficiency,
Researchers from UC Berkeley, Lawrence Berkeley National Laboratory and Nanyang Technological University, Singapore have developed a new technology for direct solar water-splitting—i.e., When immersed in water with visible light irradiation (? ? Credit: ACS, Liu et al. Click to enlarge. hydrogen evolution rate and (?)
A visualization of the broad-spectrum solar energy funnel. Researchers from Peking University in China and MIT are proposing using elastic strain as a viable agent to create an optoelectronic material with a spatially varying bandgap that is tunable for use in photovoltaics, photocatalysis and photodetection. Image: Yan Liang.
These consortia—led in theUS by the National Renewable Energy Laboratory (NREL), the University of Florida, and Lawrence Berkeley National Laboratory (LBNL)—will bring together experts from national laboratories, universities, and industry in both the US and India. MEMC Corporation; and Solarmer Energy Inc. Thermax Ltd.;
Rice University researchers and colleagues at Princeton and Syzygy Plasmonics have developed a plasmonic photocatalyst for the direct decomposition of hydrogen sulfide gas into hydrogen and sulfur, as an alternative to the industrial Claus process. Image courtesy of Halas Group/Rice University). —Naomi Halas.
Liquid Light unveiled its new process for the production of major chemicals from carbon dioxide, showcasing its demonstration-scale “reaction cell” and confirming the potential for cost-advantaged process economics. Further, Liquid Light’s process can sequester carbon when using energy sources such as solar, hydro, wind or nuclear power.
The optimized photo-electrochemical water splitting device uses light absorbers made of silicon arranged in closely packed pillars, dotted with tiny clusters of the new molybdenum sulfide catalyst. Damsgaard, Thomas Pedersen and Ole Hansen, Technical University of Denmark. Image courtesy of Christian D. Click to enlarge.
According to a new study led by a team at Duke University, airborne particulate matter and dust are cutting solar photovoltaic energy output by more than 25% in certain parts of the world, with roughly equal contributions from ambient PM and PM deposited on photovoltaic surfaces. Credit: ACS, Bergin et al. Click to enlarge.
Light harvesting can use various optical concentrators and beam splitters can redirect sub-bandgap radiation away from the PV onto the electrolyzer. The STEP (Solar Thermal Electrochemical Photo) process fundamentally captures sunlight more efficiently than photovoltaics by using the full (UV, visible and infrared) sunlight.
Using the nanocomposites as photoanodes in dye-sensitized solar cells, they achieved a power conversion efficiency in the solar cells of 10.6%, up from 8%—an increase of almost one-third. This new method used to enhance solar cell performance is quite different, Belcher says.
Researchers from the University of Cambridge, in association with Boeing, have successfully tested a light aircraft powered by a parallel hybrid-electric propulsion system, in which an electric motor and gasoline engine work together to drive the propeller. Hybrid in flight. Click to enlarge.
Chemists from Emory University and the Paris Institute of Molecular Chemistry have developed a stable and fast homogeneous water oxidation catalyst (WOC), considered a crucial component for generating hydrogen using only water and sunlight, that is easily prepared from readily available salts and oxides of earth abundant elements.
In a paper published in Nature Photonics , University of Toronto Engineering researchers report the development of an efficient tandem solar cell based on colloidal quantum dots (CQD). By capturing such a broad range of light waves, tandem CQD solar cells can in principle reach up to 42% efficiencies. Xihua Wang.
Researchers at The Ohio State University have developed a novel strategy to improve the efficiency and performance of non-aqueous lithium-oxygen (Li-air) batteries. By utilizing solar energy, the device can be charged with a ‘negative’ overpotential, which is otherwise thermodynamically impossible. —Yu et al.
Wiley at Duke University has introduced a new electrocatalyst for water oxidation consisting of a conductive network of core-shell nanowires that is just as efficient as conventional metal oxide films on indium tin oxide (ITO) and a great deal more transparent and robust. times more light. Chen et al. Click to enlarge.
Neutron scattering analysis performed at ORNL shows the lamellar structure of a hydrogen-producing, biohybrid composite material formed by the self-assembly of naturally occurring, light harvesting proteins with polymers. This finding could be exploited for the introduction of self-repair mechanisms in future solar conversion systems.
A team of researchers at Ulsan National Institute of Science and Technology (UNIST), Korea University, and the Korea Advanced Institute of Science and Technology (KAIST) has developed a new type of multilayered (Au NPs/TiO 2 /Au) photoelectrode that could boost the ability of solar water-splitting to produce hydrogen.
Batteries, fuel cells and solar-energy conversion devices have emerged as a class of important technologies that increasingly rely on electrodes derived from nanoparticles. Warren, first author, now at the University of North Carolina at Chapel Hill. Hydrogen Production Nanotech Solar' —Scott C.
GE Energy Industrial Solutions has reached a partnership agreement to work with Inovateus Solar, a US solar-power distribution and integration company, to build new solar carports with electric vehicle (EV) chargers.
Using these electric vehicles as a means of buffer storage allows the potential of wind farms and solar plants for carbon-neutral energy generation to be exploited to an even greater degree. Although the fleet of electric vehicles on our roads keeps growing, this only results in a slight increase in the amount of electric power required.
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