New MIT metal-mesh membrane could solve longstanding problems with liquid metal displacement batteries; inexpensive grid power storage

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A battery, based on electrodes made of sodium and nickel chloride and using thea new type of metal mesh membrane, could be used for grid-scale installations to make intermittent power sources such as wind and solar capable of delivering reliable baseload electricity. While some companies have continued to make liquid-sodium batteries for specialized uses, the cost was kept high because of the fragility of the ceramic membranes, said Sadoway, the John F.

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Researchers demonstrate concept desalination battery

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A team from Stanford University and Ruhr-Universität Bochum have demonstrated the novel concept of a “desalination battery” that uses an electrical energy input to extract sodium and chloride ions from seawater and to generate fresh water. A four-step charge/discharge process allows the electrodes to separate seawater into fresh water and brine streams: Fully charged electrodes, which do not contain mobile sodium or chloride ions when charged, are immersed in seawater.

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

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These 32 demonstration projects, which include large-scale energy storage, smart meters, distribution and transmission system monitoring devices, plug-in vehicles, and a range of other smart technologies, will act as models for deploying integrated Smart Grid systems on a broader scale. Improved energy storage technologies will allow for expanded integration of renewable energy resources like wind and photovoltaic systems and will improve frequency regulation and peak energy management.

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