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Stanford team develops sodium-ion battery with performance equivalent to Li-ion, but at much lower cost

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Stanford researchers have developed a sodium-ion battery (SIB) that can store the same amount of energy as a state-of-the-art lithium ion, at substantially lower cost. Thus, further research is required to find better sodium host materials. The sodium salt makes up the cathode; the anode is made up of phosphorous.

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New liquid alloy electrode significantly lowers operating temperature of sodium-beta batteries; improved performance

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Researchers at Pacific Northwest National Laboratory (PNNL) have devised an alloying strategy that enables sodium-beta batteries to operate at significantly lower temperatures. The new electrode enables sodium-beta batteries to last longer, helps streamline their manufacturing process and reduces the risk of accidental fire.

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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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Empa, UNIGE team develop prototype solid-state sodium battery; focus on improving the solid-solid interface

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Researchers at Empa and the University of Geneva (UNIGE) have developed a prototype of a novel solid-state sodium battery with the potential to store extra energy and with improved safety. A paper on their work is published in the RSC journal Energy & Environmental Science. B 10 H 10 ) 0. —DuchĂȘne et al.

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Energy Harvesting for Wearable Technology Steps Up

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Wearable devices, like nearly every other piece of tech, need energy. Fortunately, though, at wearables’ modest power budgets, energy is effectively everywhere. And today, technology is maturing to the point that meaningful amounts of these energy giveaways can be harvested to liberate wearables from ever needing a battery.

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Iowa State/Ames Lab researcher receives $3M from ARPA-E for solid-state sodium battery

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The Advanced Research Projects Agency - Energy (ARPA-E) has awarded $3 million from its 2015 OPEN funding to a project to develop an all-solid-state sodium battery. A sodium-based battery, on the other hand, has the potential to store larger amounts of electrical energy at a significantly lower cost.

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Vanderbilt researchers find iron pyrite quantum dots boost performance of sodium-ion and Li-ion batteries

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nm, average) of iron pyrite (FeS 2 ) nanoparticles are advantageous to sustain reversible conversion reactions in sodium ion and lithium ion batteries. In the paper, they reported reversible capacities of more than 500 and 600 mAh/g for sodium and lithium storage for ultrafine nanoparticles, along with improved cycling and rate capability.

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