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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. The key to this Ocean Renewable Energy Storage (ORES) system is the placement of 30-meter-diameter hollow concrete spheres on the seafloor under the wind turbines. Slocum, A.H.;

MIT 296
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National University of Singapore researchers devise membrane-based supercapacitors; possible new route to high-performance supercapacitive energy storage

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Unlike more conventional supercapacitor electrode materials with large surface areas and high porosities, the new hydrophilized polymer network uses ion-conducting channels for fast ion transport and charge storage. When sandwiched between and charged by two metal plates, the membrane can store charge at 0.2 —Xie et al.

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VYCON delivers flywheel kinetic wayside energy storage substation (WESS) for LA Metro

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VYCON, a designer and manufacturer of flywheel kinetic energy storage systems, has completed delivery of its kinetic energy storage system at the Los Angeles Metro Red Line Westlake/MacArthur Park station.

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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.

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DOE: high-temperature, downhole rechargeable energy storage device ready for commercialization

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The US Department of Energy (DOE) announced the commercialization of a rechargeable energy storage device capable of operating in the extreme temperatures necessary for geothermal energy production. million Energy Department investment, coupled with $5.5 C+ for more than 500 hours. Earlier post.)

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Sandy solution for renewable energy storage; Thermal Energy Storage System

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Australia-based Latent Heat Storage has developed a low cost thermal energy storage system based on the latent heat properties of silicon derived from sand. The TESS device stores electricity as thermal energy by heating and melting containers full of silicon. —Jonathan Whalley. —Jonathan Whalley.

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Xcel Terms First Phase of Sodium-Sulfur Battery Wind Energy Storage Test Project Successful

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Xcel Energy has released the preliminary results from its wind-to-battery (W2B) storage project in Minnesota, and termed the technology successful. We have proved that this technology can perform the functions of storage that we were looking for to help us manage the variability of wind energy on our operating system.