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MIT researchers propose subsea version of pumped hydro for renewable energy storage

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Researchers at MIT are proposing using a variation on pumped hydroelectric systems for storage of electricity produced by offshore wind farms. These structures would serve both as anchors to moor the floating turbines and as a means of storing the energy they produce. Earlier post.).

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Researchers from MIT and Sun Catalytix develop an artificial leaf for solar water splitting to produce hydrogen and oxygen

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Researchers led by MIT professor Daniel Nocera have produced an “artificial leaf”—a solar water-splitting cell producing hydrogen and oxygen that operates in near-neutral pH conditions, both with and without connecting wires. The cell was illuminated over the 2 h of the experiment. Reece et al. Earlier post.).

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Harvard hybrid “bionic leaf” converts solar energy to liquid fuel isopropanol

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Their work integrates water-splitting catalysts comprising earth-abundant components with wild-type and engineered Ralstonia eutropha bacteria to generate biomass and isopropyl alcohol. Renewable-fuels generation has emphasized water splitting to produce hydrogen and oxygen. Earlier post.). —Torella et al. Click to enlarge.

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2023’s Top Stories About Energy

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meters long, weigh 62 kilograms, and store 3 kilowatt-hours. Centrus Energy To generate power, old-school light-water nuclear reactors use oxide fuel, which consists of ceramic pellets of uranium oxide, arranged end-to-end to form rods that are clad in zirconium alloy. The fuel is enriched to about 4.8 percent U-235.

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Virtual Reality Helps Students Improve Their Math Literacy

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In the chemistry module on acids and bases, for example, students are shown a computer-generated version of a wastewater-treatment plant in Baltimore, and they try to make chemically contaminated water safe to drink. STEM at the root Ganguly says she was inspired to help reform STEM education when she was a graduate student at MIT.

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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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This process is less than 1% efficient at converting sunlight to stored chemical energy. Water will be the primary byproduct. A novel metal complex for electrolysis of water will be used to generate the hydrogen at high rates. per gallon. The project also will develop a chemical method to transform butanol into jet fuel.

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Univ. of Maryland researchers using modified Tobacco Mosaic Virus as template for Li-ion electrodes

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Using TMV, the researchers can greatly increase the electrode surface area and its capacity to store energy and enable fast charge/discharge times. This architecture both stabilizes the fragile, active material coating and provides it with a direct connection to the battery electrode. —Reza Ghodssi.

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