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Arizona State University. High-Temperature Topping Cells from LED Materials Arizona State University will develop a solar cell that can operate efficiently at temperatures above 450°C, unlike today’s solar cells, which lose efficiency rapidly above 100°C. Arizona State University. Earlier post.). Cogenra Solar, Inc.
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.
The conversion normally requires significant amounts of energy in the form of high heat—a temperature of at least 700 ?C, She and her colleagues, including scientists from the University of Maryland in College Park and DENSsolutions, in Delft, the Netherlands, reported their findings in Nature Materials.
Therefore, it is not surprising that in 2020, the first year of the pandemic, the annual miles driven per car or light truck (SUV, pickup truck, or van) decreased substantially. Of more interest is the new finding that this reduction was entirely due to a reduced use of cars as opposed to light trucks. Cars and light trucks.
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.
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.
Researchers from BASF, Energie Baden-Württemberg AG (EnBW), Heidelberg University and Karlsruhe Institute of Technology (KIT) are seeking to develop a process for the photocatalytic conversion of CO 2 into methanol for use in fuel cells or internal combustion engines. Dr. Michael Grunze, Heidelberg University.
Researchers at the University of Oxford have developed a method to convert CO 2 directly into aviation fuel using a novel, inexpensive iron-based catalyst. The conversion reaction also produces light olefins—ethylene, propylene, and butenes—totalling a yield of 8.7%. and selectivity to C 8 –C 16 hydrocarbons of 47.8%
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 solar light. Image credit: Roksana Rashid, McGill University.
Greenville County, South Carolina and Light’N’Up, deployed 15 propane Autogas vehicles last month as part of a large-scale, Recovery Act-funded alternative fuel vehicle project in the Southeast United States. Greenville County and Light’N’Up are two of nine conversion centers participating in the project.
Researchers at the University of Turku in Finland have developed a thin-layer artificial biofilm technology for sustainable and long-term ethylene photoproduction. 2 ethylene at 1.54% light to ethylene conversion efficiency. fold improvement in the light to ethylene conversion efficiency as compared to the cell suspension.
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
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.
The North American International Auto Show (NAIAS) will cancel its June 2020 show in Detroit in light of the coronavirus (COVID-19) pandemic sweeping across the world and the Federal Emergency Management Agency’s expected plans to repurpose TCF Center into a temporary field hospital. NAIAS will hold its next annual show in June 2021.
A team from the University of Calgary and Rice University has used flash joule heating (FJH) ( earlier post ) to convert low-value asphaltenes—a by-product of crude oil refining—into a high-value carbon allotrope, asphaltene-derived flash graphene (AFG). Flash graphene from asphaltenes. (A)
Kazunari Domen from The University of Tokyo, Prof. Lianzhou Wang from The University of Queensland, Prof. Photocatalytic water splitting has attracted great interest as a means of cost-effective conversion of sustainable solar energy to valuable chemicals. Credit: DICP. —Wang et al. 2021.01.001.
Researchers with the Energy Biosciences Institute, University of California, Berkeley have provided insight into how multiple cellulase enzymes attack cellulose, potentially yielding a way to improve the collective catalytic activity of enzyme cocktails that can boost the yields of sugars for making fuels. Source: Berkeley Lab.
Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). Schnell, Vaishali Naik, Larry W. Horowitz, Fabien Paulot, Paul Ginoux, Ming Zhao, Daniel E. 2019.04.003.
When illuminated with light-emitting diodes rather than lasers, the photocatalytic efficiencies remain comparable, even when the scale of reaction increases by nearly three orders of magnitude. Unlike traditional catalysts, it doesn’t require heat; it harvests energy from light. —Peter Nordlander, co-author.
Researchers at Concordia University (Canada) have developed a new one-pot system for the catalytic conversion of cellulosic biomass into alkyl levulinates and other esters and subsequent product extraction. Resources. Le Van Mao, Q. Dima and D. Catalysis Letters. doi: 10.1007/s10562-010-0493-y.
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.
Researchers at the US Naval Research Laboratory (NRL) led off a day-long symposium on advances in CO 2 conversion and utilization being held at the 238 th American Chemical Society (ACS) national meeting, which began today in Washington, DC. Earlier post.). Robert Dorner. The electrochemical reduction of carbon dioxide. Scott Shaw.
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.
This integrated capture and conversion process will be used to produce a number of different chemicals that could replace petroleum-derived products. Investigators will develop and demonstrate an electrochemical process using a light-harvesting CO 2 catalyst to reform CO 2 into products such as methane gas.
Consequently, first and second generation bioproduct manufacturing processes are economically challenged, particularly in light of recent low oil prices. One way to mitigate high feedstock cost is to maximize conversion into the bioproduct of interest. of two biological replicates is shown in black error bars. Jones et al.
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 competing reaction, called the hydrogen evolution reaction (HER) or “water splitting,” takes precedence over the CO 2 conversion reaction. —Haotian Wang, a Rowland Fellow at Harvard University and the corresponding author. This study was supported in part by the Rowland Institute at Harvard University. Resources.
However, some compounds like FeF 3 are capable of transferring multiple electrons through a more complex reaction mechanism, called a conversion reaction. Iron fluoride, an intercalation-conversion cathode for lithium-ion batteries, promises a high theoretical energy density of 1922?Wh?kg nanometers. —Dong Su.
The other program, Modern Electro/Thermochemical Advancements for Light-metal Systems (METALS, earlier post ), provides $32 million to 18 projects to find cost-effective and energy-efficient manufacturing techniques to process and recycle metals for lightweight vehicles. process intensification approaches for biological methane conversion.
The US Department of Energy (DOE) has selected eight new projects to further advanced coal research under the University Coal Research Program. The selected projects are intended to improve coal conversion and use and will help propel technologies for future advanced coal power systems. Princeton University, Princeton, NJ.
Duke University researchers have engineered rhodium nanoparticles that can harness the energy in ultraviolet light and use it to catalyze the conversion of carbon dioxide to methane, a key building block for many types of fuels. So we get to choose how the reaction goes with light in a way that we can’t do with heat.
Using a hematite photocatalyst, a team led by researchers from Kobe University has succeeded in producing both hydrogen gas and hydrogen peroxide at the same time from sunlight and water. Recently, they have succeeded in increasing the light energy conversion efficiency by applying this technology to hematite (?-Fe under 600nm).
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. Although 10.8%
Start-up Liquid Light, a developer of process technology to make major chemicals from low-cost, globally-abundant carbon dioxide ( earlier post ), has closed a $15-million Series B financing. New investors include Sustainable Conversion Ventures, which focuses on renewable fuels and chemicals investments.
Innovations in catalysts, separation processes, and reactor designs can enhance conversion efficiency and reduce carbon emissions. Industrial and university partners will contribute additional funding and critical resources, augmented with expertise from national laboratories and national and international research organizations.
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. Honda Smart Home is expected to generate a surplus of 2.6
Chemists from the University of Waterloo have successfully resolved two of the most challenging issues surrounding lithium-oxygen batteries, and in the process created a working battery with near 100% coulombic efficiency. Thermodynamics and configuration of the Li-O 2 cell. (A) —Linda Nazar. Resources. 361, Issue 6404, pp.
Light harvesting can use various optical concentrators and beam splitters can redirect sub-bandgap radiation away from the PV onto the electrolyzer. The STEP process occurs at solar energy conversion efficiency greater than attainable by photovoltaics alone. Licht, 2009. Click to enlarge.
The discovery was made by a joint research team led by Associate Professor Takashi Tachikawa (Molecular Photoscience Research Center, Kobe University) and Professor Tetsuro Majima (Institute of Scientific and Industrial Research, Osaka University). Their findings were published in the journal Angewandte Chemie International Edition.
The Global Climate and Energy Project (GCEP) at Stanford University has awarded $10.5 The goal of this project is to develop a hybrid perovskite-silicon solar cell that significantly improves the light-to-energy conversion efficiency of conventional cells. Light trapping in high?efficiency, modified plants.
A team led by researchers at the US Department of Energy’s Argonne National Laboratory has developed a new way to produce solar fuels by using completely synthetic bionano machinery to harvest light without the need for a living cell. In a natural purple membrane, bacteria use bacteriorhodopsin to harvest energy from light.
Universal Hydrogen ( earlier post ) has formed a collaboration with three Japan-based companies to study—and ultimately to develop—a green hydrogen supply and logistics solution that will enable Japanese airlines to scale their utilization of hydrogen-powered aircraft in the very near-term.
Researchers in Japan and China developed an efficient method for CO 2 reduction over elemental boron catalysts in the presence of only water and light irradiation through a photothermocatalytic process. A paper on their work is published in the journal Angewandte Chemie. When the sun shines on a surface, it is heated. —Jinhua Ye.
Renewable chemicals company Avantium has acquired the assets of Liquid Light. Liquid Light has developed proprietary process technology to make major chemicals from low-cost, globally-abundant carbon dioxide. It will extend our capabilities beyond catalytic conversion of biomass. —Tom van Aken, CEO of Avantium.
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