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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. Earlier post.).

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False Starts: The Story of Vehicle-to-Grid Power

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They wanted to see whether an electric vehicle could feed electricity back to the grid. The company’s president, Tom Gage , dubbed the system “vehicle to grid” or V2G. And EV owners would become entrepreneurs, selling electricity back to the grid. And indeed, that’s how promoters of vehicle-to-grid technology perceive the EV.

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New Lithium rechargeable semi-solid flow cell offers energy densities an order of magnitude greater than previous flow batteries; possible applications in transportation and grid-scale storage

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The new semi-solid flow cells, which can use established lithium intercalation compounds, could deliver energy densities of 300–500 Wh L -1 (specific energy of 130–250 Wh kg -1 ) at system-level costs, depending upon the chemistries, of $250 kWh -1 and $100 kWh -1 for transportation and grid level storage, respectively, the researchers conclude.

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Energy researchers: clean US hydrogen economy is within reach, but needs a game plan

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Addressing climate change requires not only a clean electrical grid, but also a clean fuel to reduce emissions from industrial heat, long-haul heavy transportation, and long-duration energy storage. Hydrogen and its derivatives could be that fuel, argues a commentary by four energy researchers in the journal Joule.

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A123 Systems, Hydro-Quebec, and the University of Texas settle lithium metal phosphate battery chemistry patent dispute

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The A123 patents cross-licensed in this agreement are separate from the original Nanophosphate patents from the Massachusetts Institute of Technology (MIT), which are not included as part of this settlement. The financial terms of the settlement are not being disclosed at this time.

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24M emerges from stealth mode with new semi-solid Li-ion cell; <$100/kWh by 2020

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Co-founded by MIT’s Dr. Yet-Ming Chiang, 24M’s Chief Scientist, the company is leveraging existing, preferred energy storage chemistry but using a new cell design with semi-solid (a mixture of solid and liquid phases) thick electrodes and manufacturing innovations to deliver what it says will be up to a 50% reduction in current Li-ion costs.

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MIT team calls initial performance results of magnesium-antimony liquid metal battery “promising”

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Luis Ortiz, are also founders of Liquid Metal Battery Corporation (LMBC), a Cambridge, Massachusetts company founded in 2010 to develop new forms of electric storage batteries that work in large, grid-scale applications. Sadoway (2012) Magnesium–Antimony Liquid Metal Battery for Stationary Energy Storage. Earlier post.).

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