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Stanford study quantifies energetic costs of grid-scale energy storage over time; current batteries the worst performers; the need to improve cycle life by 3-10x

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A new study by Charles J. As the percentage of electricity supply from wind and solar increases, grid operators will need to employ strategies and technologies, including energy storage, to balance supply with demand given the intermittency of the renewable supply. A plot of ESOI for 7 potential grid-scale energy storage technologies.

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A123 Systems to supply 1MW Li-ion grid storage system to Maui Electric Company; 2MW system for NSTAR demonstration

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Li-ion battery maker A123 Systems will supply a Grid Battery System (GBS) to Maui Electric Company (MECO), a utility serving residents and businesses on the islands of Maui, Lanai and Molokai in Hawaii. The system, NSTAR’s first battery energy storage project, is proposed for installation at a substation in Medway, Mass.

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Prototype electric New Flyer transit bus powered by 120 kWh MHI MLiX Li-ion pack in operational testing in Manitoba, Canada

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An all-electric, battery-powered prototype demonstration bus under joint development by Mitsubishi Heavy Industries, Ltd. The 40-foot “E-Bus” is based on New Flyer’s 40-foot Xcelsior heavy-duty transit bus and is powered by a 120 kWh lithium-ion rechargeable battery pack developed by MHI. Earlier post.)

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Volkswagen presents status of fleet study in electromobility; latest generation of twïnDRIVE plug-in hybrid

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Volkswagen study Golf Variant twïnDRIVE. Volkswagen, in cooperation with 6 project partners and the German Ministry of the Environment, presented in Berlin the current status of the “Fleet study in electric mobility” that was initiated in July 2008. In parallel, more and more electricity is being generated from solar and water power.

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Forecast: Lithium Ion Batteries for Electric Vehicles to Approach $8 Billion in Sales by 2015

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According to a new report from Pike Research, a rapidly growing global market for electrified vehicles—particularly plug-in hybrid and battery-electric vehicles—will create a Li-ion transportation battery industry with nearly $8 billion in sales worldwide by 2015, up from $878 million in 2010.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

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published in the ACS journal Chemical Reviews , reviews in detail four stationary storage systems considered the most promising candidates for electrochemical energy storage: vanadium redox flow; sodium-beta alumina membrane; lithium-ion; and lead-carbon batteries. In their study, Yang et al. Lithium-ion battery.

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GM details 2016 Chevrolet Malibu Hybrid powertrain design and operation

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For the HEV, this allows the envelope of EV power and duration to be set by the battery capability rather than limited by the drive unit. kWh Li-ion battery pack; accessory power module (APM); Voltec transaxle drive unit—including transmission, motors, and power inverter—and associated thermal systems to provide cooling.