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New Na-ion battery combining intercalation and conversion could be promising low-cost energy storage system

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Scheme of the new full sodium-ion battery, which combines an intercalation cathode and a conversion anode. This battery system combines an intercalation cathode and a conversion anode, resulting in high capacity, high rate capability, thermal stability, and much improved cycle life. (In Credit: ACS, Oh et al. Click to enlarge.

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PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

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Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. The system has a 4 megawatt capacity, and can store more than six hours of energy.

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New long-duration, extended capacity Na-Al battery design for grid storage

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Researchers led by the Department of Energy’s Pacific Northwest National Laboratory (PNNL) have extended the capacity and duration of sodium-aluminum batteries. The new sodium-based molten salt battery uses two distinct reactions. of peak charge capacity. mAh cm −2 , a discharge duration of 28.2 —Weller et al.

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UP Catalyst CO2-derived carbon nanotube electrode material boosts cycle life in Na-ion batteries

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Tests conducted by Titirici Group , a multidisciplinary research team based at Imperial College London, have found that a novel carbon nanotube electrode material derived from CO 2 —produced by Estonian nanotech company UP Catalyst ( earlier post )—enhances the cyclability of sodium-ion batteries.

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NETL investigating researching chemistries for large-scale battery- and supercapacitor-based grid energy storage systems

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The US Department of Energy’s National Energy Technology Laboratory (NETL) is conducting research on alternative options to reduce costs and make large-scale energy storage safer and more practical. Innovative fabrication methods can also lead to significant energy storage system improvements.

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Chevron invests in Prussian Blue battery tech company Natron Energy; stationary storage for EV charging stations

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Natron Energy , a developer of new battery cell technology based on Prussian Blue analogue electrodes and a sodium-ion electrolyte, has closed a strategic investment by Chevron Technology Ventures (CTV) to support the development of stationary energy storage systems for demand charge management at electric vehicle (EV) charging stations.

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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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