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

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To connect intermittent renewable energy sources (i.e., solar and wind) with variable output to the electrical grid, grid managers require electrical energy storage systems (EES) that can accommodate large amounts of energy created at the source. Sodium-ion batteries have been discussed in the literature. Earlier post.)

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Lux: Li-ion dominating grid storage market with 90% of 2014 proposals

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Lithium-ion (Li-ion) batteries have become the dominant new technology in grid storage, capturing a 90% share of systems proposed last year, according to analysts at Lux Research. Molten salt batteries—consisting almost entirely of sodium-sulfur (NaS)—account for 23% of all deployed MW and 64% of deployed MWh respectively.

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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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The US Department of Energy is awarding $620 million for projects around the country to demonstrate advanced Smart Grid technologies and integrated systems. Smart grid regional demonstrations involving plug-in vehicles include (ranked by DOE funding): Columbus Southern Power Company (doing business as AEP Ohio).

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Xcel Terms First Phase of Sodium-Sulfur Battery Wind Energy Storage Test Project Successful

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In October 2008, Xcel began testing a one-megawatt sodium-sulfur (NaS) battery ( earlier post ) to demonstrate its ability to store wind energy and move it to the electricity grid when needed. Support the transmission grid system by providing voltage support, which contributes to system reliability.

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Altris presents high-capacity Prussian White cathode material for Na-ion batteries; 160 mAh/g

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Swedish sodium-ion battery developer Altris presented a pure Prussian White cathode material with a capacity of 160 mAh/g, making it the highest capacity declared to date. Prussian White is a framework material consisting of sodium, iron, carbon and nitrogen (Na x Fe[Fe(CN) 6 ] with x>1.9). Earlier post.) Earlier post.)

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Pike Research forecasts hybrid electric locomotive sales could reach nearly 500 units from 2011 to 2020; to utilize 514 MWh of battery capacity by 2020

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Almost all locomotives used today are powered by electricity, either generated onboard through a diesel engine or provided through a connection to the electric grid (third rails or overhead lines). Hybrid locomotives are an emerging alternative to these approaches that utilized stored energy from batteries.

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Six Technology Innovations in Electric Vehicle Charging

Driivz

Smart EV charging delivers reliable, safe, renewable, and cost-effective energy to EVs while meeting the needs of drivers and local grids. It depends on sophisticated back-end software that captures data from EVs, networked chargers, and the grid. New chemistries such as sodium-ion offer promise of incremental improvement.