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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.

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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. Energy storage on the grid is reaching a turning point. Installed revenue by ESG technology, worldwide. Click to enlarge. Earlier post.).

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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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At modest current densities, round-trip energy efficiencies of 99% can be achieved. Short-term transients, including those related to wind and solar sources, present challenges to the electrical grid. Existing energy storage technologies cannot satisfy these requirements. —Wessells et al. —Yi Cui.

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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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Classification of potential electrical storage for stationary applications. 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.

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PNNL team develops sodium-manganese oxide electrodes for sodium-ion rechargeable batteries

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low-cost Na-ion battery system for upcoming power and energy. storage systems, the team concludes in a paper published in the journal Advanced Materials. low-cost Na-ion battery system for upcoming power and energy. To connect intermittent renewable energy sources (i.e., Earlier post.)

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