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ELIIY Begins Mass Production of Li-ion Batteries

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Keio University spin-out ELIIY Power Co., has begun operations at its new Li-ion battery manufacturing plant in Kawasaki. ELIIY plans to market stationary power systems for commercial and residential applications. Earlier post.).

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New Li-S battery shows cycle performance comparable to that of Li-ion batteries along with more than double the energy density

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A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. The full lithium-ion sulfur cell presented in the study delivers a capacity of ?750

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Toshiba to supply 40MW-40MWh Li-ion storage system to Tohuku Electric Power

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Toshiba Corporation will supply a large-scale battery energy storage system (BESS) to Tohoku Electric Power Company’s “Minami-Soma Substation Project to Verify the Improvement of Supply-demand Balance With Large-capacity Power Storage Systems″. end of February 2016.

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Vattenfall contracts with BMW for up to 1,000 new 33 kWh Li-ion batteries this year for storage projects in wind farms

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Vattenfall and the BMW Group have signed a contract for the delivery of up to 1,000 lithium-ion batteries this year. Vattenfall will purchase the new batteries from the BMW plant in Dingolfing and use them in all storage projects. This is a so-called storage control unit made of batteries. Earlier post.). Earlier post.).

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Expanded graphite as a superior anode for sodium-ion batteries

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Researchers at the University of Maryland, with colleagues at the University of Illinois at Chicago, report on a new method for expanding graphite for use as a superior anode for sodium-ion batteries in a paper in Nature Communications. to enlarge the interlayer lattice distance to accomodate the larger sodium ions.

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New nanolithia cathodes may address technical drawbacks of Li-air batteries; scalable, cheap and safer Li-air battery system

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An international team from MIT, Argonne National Laboratory and Peking University has demonstrated a lab-scale proof-of-concept of a new type of cathode for Li-air batteries that could overcome the current drawbacks to the technology, including a high potential gap (>1.2 V) V versus Li/Li +. Courtesy of the researchers.

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BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

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The battery storage system electrified by BMW i can be equipped with new or second-life batteries. The battery storage system also includes a voltage converter and power electronics to manage the energy flow between renewable energy sources, the house interface, and the Li-Ion high-voltage battery from the BMW i3.