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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. 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. Click to enlarge. Barnhart and Sally M.

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New nanoparticle copper compound cathode could enable low-cost, long-life and high-power potassium-ion batteries for grid storage

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Yi Cui has developed nanoparticle copper hexacyanoferrate (CuHCF) battery cathode materials that demonstrate long cycle life and high power for use in grid storage applications. Short-term transients, including those related to wind and solar sources, present challenges to the electrical grid. —Wessells et al.

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US and Japan collaborating on smart grid project in Hawaii; EV operation and charging, including grid-balancing services

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have been selected as contractors for a joint US-Japan collaboration supporting a Smart Grid project on the Hawaiian island of Maui. Part of the demonstration plan includes utilization of the EVs for grid-balancing services ( earlier post ). Hitachi, Ltd., Cyber Defense Institute, Inc., and Mizuho Corporate Bank, Ltd.

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Pike Research forecasts worldwide grid energy storage spending to reach $22B by 2021, down from 2010 forecast of $35B

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In its new report Energy Storage on the Grid (ESG), Pike Research forecasts that global spending in the ESG market will reach a little over $22 billion over the next 10 years. Electric grids require balance in order to function properly. Energy storage on the grid is reaching a turning point. Earlier post.).

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GM and ABB demonstrate prototype of Volt battery pack grid re-use application

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In conjunction with the Plug-in 2011 event in Raleigh, NC, GM and ABB demonstrated a lab prototype of a distributed energy storage (DES) system that combines Volt battery technology and a proven grid-tied electric power inverter. The first step toward this field demo is to build a lab prototype. Earlier post.)

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M5BAT 5MW storage system integrates multiple battery technologies

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electric utility company, battery manufacturers Exide and beta-motion and inverter manufacturer SMA Solar Technology AG (SMA) have joined forces to build the first multi-technology, modular large-scale 5MW battery storage system. Batteries Power Generation Solar Wind' —Leonhard Birnbaum, member of the E.ON

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

Cars That Think

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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