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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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MIT researchers develop oxygen permeable membrane that converts CO2 to CO

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MIT researchers have developed a new system that could potentially be used for converting power plant emissions of carbon dioxide into carbon monoxide, and thence into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks for a wide variety of products.

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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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ARPA-E’s first solicitation awarded $151 million to 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. This process is less than 1% efficient at converting sunlight to stored chemical energy. Earlier post.). Earlier post.)

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MIT Researchers Find That Elastic Energy Storage Systems Built With Carbon Nanotubes Could Match Li-ion Battery Energy Densities

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New research by MIT scientists suggests that carbon nanotubes could be used to create elastic energy storage systems with energy densities that could be three orders of magnitude higher than those of conventional steel springs, and comparable to Li-ion batteries with potentially more durability and reliability. Hill et al. Click to enlarge.

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Science Fiction Short: Hijack

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So IEEE Spectrum is making one of its occasional forays into science fiction, with a short story by Karl Schroeder about the unexpected outcomes from building a computer out of planet Mercury. Any computation generates waste heat. Quantum simulation of ecosystems is another, says Seth Lloyd , a quantum physicist at MIT.

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ARPA-E awards $130M to 66 “OPEN 2012” transformational energy technology projects

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Conventional large-scale gasto-liquid reactors produce waste-heat, reducing the energy. economical to store or transport. Capturing this energy would reduce both waste. areas to convert otherwise wasted gas into usable chemicals that. The Massachusetts Institute of Technology (MIT) will develop a. Earlier post.).

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DOE ARPA-E awards $156M to projects to 60 projects to accelerate innovation in clean energy technologies

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production of oil, which is stored in seeds and is convertible to. wasted energy in plants into energy-dense fuel molecules. is one of the most energy dense forms of stored energy in. engineer sugarcane and sorghum to produce and store oil, a. system to pump, heat, store, and discharge the molten glass.

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