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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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Structural and microstructural description of relaxor-ferroelectric transition in quenched Na[subscr
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Ionic self-diffusion of Na[subscript 2]O-Al[subscript 2]O[subscript 3]-SiO[subscript 2] glasses from molecular dynamics simulations
Abstract not provided
Metallothermic reduction of Cerium Chloride in molten Salt using Li, Na, and Ca Metal
Not Available
Low temperature hydrothermal synthesis of Na3Fe2(PO4)2F3 and its cathode electrochemistry in Na- and Li-ion batteries
Not Available
First principles investigation of intrinsic and Na defects in XTe (X=Ca, Sr, Ba) nanostructured PbTe
Not provided.
Polyimide as a durable cathode for all-solid-state Li(Na)–organic batteries with boosted cell-level energy density
The integration of organic electrode materials (OEMs) with solid-state electrolytes (SSEs) is expected to build an all-solid-state battery (ASSB) with long-term sustainability, high safety, and high energy density. Despite this great promise, the cell-level energy density is still far from practically applicable, which stems from the ultrathick SSE layer and thin cathode layer used in a pellet-type ASSB design. Here, a cost-effective polyimide (PI) material was first exploited as an organic cathode for sulfide-based ASSBs. A capacity of ~190 mAh g -1 was delivered with almost no capacity decay over 300 cycles. Moreover, for the first time, a dry-film approach was introduced to manufacture a sheet-type Li–organic ASSB with an ultrathin SSE layer and a high-areal-loading PI cathode. Notably, PI is a perfect candidate for dry-film technology due to its high thermal stability and extraordinary chemical inertness toward sulfide SSEs. Remarkably, the free-standing SSE membrane was merely 46 μm thick, and an ultralow areal resistance of 3.3 Ω cm 2 was achieved, more than tenfold lower than that of reported SSE pellets. One order of magnitude boost in the cell-level energy density was achieved. This work presents a significant leap in transferring organic ASSB technology from laboratory research to factory manufacturing.
Structure and Sodium Ion Transport in Na 11+x Sn 2+x (Sb 1–y P y ) 1–x S 12
Abstract not provided
Role of Lithium Doping in P2-Na 0.67 Ni 0.33 Mn 0.67 O 2 for Sodium-Ion Batteries
Not Available