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Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

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Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 Na is comparable to graphite for standard lithium ion batteries.

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New high-power, high-capacity, long-life sodium battery

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A team from the Max Planck Institute for Solid State Research in Stuttgart and the University of Science and Technology of China, Hefei, has developed a high-power, high-capacity sodium battery with 96% capacity retention after 2,000 cycles. 2016), “High Power–High Energy Sodium Battery Based on Threefold Interpenetrating Network.”

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Hollow carbon nanowires show high capacity and cycle life as anodes for sodium-ion batteries; insight into Na-ion insertion-extraction mechanism

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The researchers attributed the good sodium-ion insertion properties to the short diffusion distance in the HCNWs and the large interlayer distance (0.37 They investigated sodium ion insertion?extraction Saraf, Zhengguo Yang, and Jun Liu (2012) Sodium Ion Insertion in Hollow Carbon Nanowires for Battery Applications.

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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. Reduce the need to compensate for the variability and limited predictability of wind generation resources. They are able to store about 7.2

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KAUST uses laser pulses to boost performance of MXene electrode

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These nanodots, roughly 10 nanometers wide, were connected to the MXene’s layers by carbon materials. Finally, strong connections between the nanodots and the layers improve the MXene’s conductivity and stabilize its structure during charging and discharging. Resources Bayhan, Z., This offers several benefits. El-Demellawi, J.

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Researchers Show Carbon Nanostructures Can Function as Catalysts for Solid-State Hydrogen Storage

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Researchers from the US and Sweden have shown that carbon nanostructures (fullerenes, nanotubes, and graphene) can be used as catalysts for hydrogen uptake and release in complex metal hydrides such as sodium alanate (NaAlH 4 ) and also developed what they characterize as an “ unambiguous understanding ” of how such catalysts work.

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

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The size of these batteries (in comparison to those used for portable electronics) places severe pressure on materials resources. Elemental resources. When the electrodes are externally connected, redox reactions proceed in tandem at both electrodes to deliver energy. Resources. —Grey and Tarascon.

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