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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 plot of ESOI for 7 potential grid-scale energy storage technologies. A new study by Charles J. Benson from Stanford University and Stanford’s Global Climate and Energy Project (GCEP) has quantified the energetic costs of 7 different grid-scale energy storage technologies over time. Credit: Barnhart and Benson, 2013.

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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. and is expected to be operational in 2012. Maui Electric.

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TenneT and Daimler testing use of automobile battery systems for grid stabilization and recovery

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Transmission system operator TenneT and Daimler AG, through its wholly owned subsidiary Mercedes-Benz Energy GmbH, have researched and tested the feasibility of innovative system services in the transmission grid as part of a joint development partnership. If this is not the case, frequency deviations can occur.

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UMD/USARL team develops “water-in-salt” electrolyte enabling high-voltage aqueous Li-ion chemistries

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Lithium-ion (Li-ion) batteries power much of our digital and mobile lifestyle. Lithium-ion (Li-ion) batteries power much of our digital and mobile lifestyle. V) is too narrow to support most of the electrochemical couples used in Li-ion batteries. C) rates.

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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. Whenever necessary, the battery can also be charged via the generator.

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GM: Volt Pack Now “Hundreds” Less than $1,000/kWh; Headed to $250/kWh

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Moreover, our battery team is already starting work on new concepts that will further decrease the cost of the Volt battery pack quite substantially in a second-generation Volt pack. Actually, as I read the conclusions of the study I had a feeling of déjà vu.

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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. flywheel) or potential energy (e.g.,

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