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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Methane hydrate formation in thick sand reservoirs: 1. Short-range methane diffusion
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Effect of fixed charge group concentration on salt permeability and diffusion coefficients in ion exchange membranes
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Enhanced Coarsening Resistance of Q-phase in Aluminum alloys by the addition of Slow Diffusing Solutes
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Quantum diffusion of electromagnetic fields of ultrarelativistic spin-half particles
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Investigation of p-dopant diffusion in polymer films and bulk heterojunctions: Stable spatially-confined doping for all-solution processed solar cells
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Modeling water diffusion in polybenzimidazole membranes using partial immobilization and free volume theory
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Influence of water content on alkali metal chloride transport in cross-linked Poly(ethylene glycol) diacrylate.2. Ion diffusion
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Capturing differential diffusion effects in large eddy simulation of turbulent premixed flames
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Induced seismicity in the Changning salt mining zone, China, could be driven by the pore-pressure diffusion
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Jahn–Teller Assisted Na Diffusion for High Performance Na Ion Batteries
Na energy storage technology is strategically attractive for large scale applications such as grid energy storage. Here, we show that there is a clear relation between the Jahn-Teller activity of a transition metal ion at the end of charge and the mobility of Na in a cathode material. This is particularly important as mobility at the end of charge limits the capacity of current materials. Hence, by using this classical piece of physics in the battery world, it is possible to create higher capacity Na-cathode materials. Even more exciting is that the ideal element to impart this effect on cathodes is Fe, which is the least expensive of the transition metal oxides and can therefore enable low cost cathode materials.