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

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Unlike alloying or intercalation processes, in which the SEI effects limit the performance of ultrafine nanoparticles, the Vanderbilt study highlights the benefit of quantum dot length-scale nanocrystal electrodes for nanoscale metal sulfide compounds that store energy through chemical conversion reactions. —Douglas et al. 5b04700.

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PNNL licenses three technologies via Startup America; batteries, fuel cells and buildings

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Vorbeck, a manufacturer and developer of applications using its proprietary graphene material ( earlier post ), optioned the technology for use in a graphene-based electrode for lithium-air and lithium-sulfur batteries. A third option was granted based on PNNL’s millimeter wave technology.

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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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The grants will go to projects in 17 states. This process is less than 1% efficient at converting sunlight to stored chemical energy. The critical barrier to wider deployment of electric vehicles is the high cost and low energy of today’s batteries. Electrofuels: Biofuels from Electricity. PolyPlus Battery Company.

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