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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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Rechargeable membrane-less hydrogen bromine flow battery shows high power density

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MIT researchers have engineered a new rechargeable, membrane-less hydrogen bromine laminar flow battery with high power density. —Cullen Buie, assistant professor of mechanical engineering at MIT, co-author. Credit: Braff et al. Click to enlarge. The membrane-less design enables power densities of 0.795?W?cm

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A123Systems Spins Out 24M Technologies; Combining Attributes of Rechargeable Batteries, Fuel Cells and Flow Batteries

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ARPA-E has awarded a total of $6M to a collaborative effort between 24M, MIT and Rutgers to further develop its technology ( earlier post ), on top of previous funding to MIT from DARPA. 24M will initially focus on grid storage applications. 24M will initially focus on grid storage applications. Earlier post.).

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MIT team reexamines rates of Li-ion cost decline

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The cost of the rechargeable lithium-ion batteries used for phones, laptops, and cars has fallen significantly over the last three decades, and has been a major driver of the rapid growth of those technologies. Ziegler and Trancik.

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MIT, Ford researchers find lightweight conventional vehicles could have lower lifecycle GHG impact than EVs depending upon location

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Researchers at MIT and the Ford Motor Company have found that depending on the location, lightweight conventional vehicles could have a lower lifecycle greenhouse gas impact than electric vehicles, at least in the near term. Their paper is published in the ACS journal Environmental Science & Technology. —Wu et al.

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A123 Venture Technologies to collaborate with SolidEnergy on safer, high-energy battery chemistry; potentially up to ~800 Wh/kg

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A123 Venture Technologies, a Massachusetts-based technology incubator, will collaborate with MIT startup SolidEnergy. The partnership combines SolidEnergy’s Solid Polymer Ionic Liquid (SPIL) electrolyte—originally developed at MIT—with the mature cell design and prototyping capabilities of A123. Source: SolidEnergy.

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New MIT metal-mesh membrane could solve longstanding problems with liquid metal displacement batteries; inexpensive grid power storage

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A new metal mesh membrane developed by researchers at MIT could advance the use of the Na–NiCl 2 displacement battery, which has eluded widespread adoption owing to the fragility of the ?"-Al The results could make possible a whole family of inexpensive and durable materials practical for large-scale rechargeable batteries.

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