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New high energy, highly stable cathode for sodium-ion batteries

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F 0.7 , for sodium-ion (Na-ion) batteries (NIBs). While high-energy Li-ion batteries (LIBs) are expected to contribute in part to the solution, the high cost and low stability prohibit wide application in this area, the researchers observe. Ragone plot for the new Na 1.5 cathode and other cathode materials for NIBs. Click to enlarge.

Sodium 292
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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. Al 2 O 3 membrane. Elliott Professor of Materials Chemistry.

MIT 150
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PNNL team develops new localized high-concentration electrolyte for high-voltage Li-metal batteries

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It was able to retain 80% of its initial charge after 700 cycles of discharging and recharging. They say the concept of using this novel fluorine-based diluent to manipulate salt concentration also works well for sodium-metal batteries and other metal batteries.

Li-ion 150
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Molten-Salt Battery Freezes Energy Over a Whole Season

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As the pressure to decarbonize electricity grids mounts, so does the need to have long-term storage options for power generated from renewables. While rechargeable batteries are the solution of choice for consumer-level use, they are impractical for grid-scale consideration.

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Researchers call for integration of materials sustainability into battery research; the need for in situ monitoring

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In a review paper in the journal Nature Materials , Jean-Marie Tarascon (Professor at College de France and Director of RS2E, French Network on Electrochemical Energy Storage) and Clare Gray (Professor at the University of Cambridge), call for integrating the sustainability of battery materials into the R&D efforts to improve rechargeable batteries.

Li-ion 150
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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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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. The selected projects include advanced battery systems (including flow batteries), flywheels, and compressed air energy systems. 29,561,142.

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Can Flow Batteries Finally Beat Lithium?

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The battery in her EV is a variation on the flow battery , a design in which spent electrolyte is replaced rather than recharged. Defense Advanced Research Projects Agency (DARPA) is pursuing as part of a drive to ease the military’s deployment of all-electric supply vehicles by 2030 and of EV tactical vehicles by 2050.