Electrochemical properties of Na0.5Bi0.5TiO3 perovskite as an anode material for sodium ion batteries
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DOI: 10.1007/s10853-019-03834-9
Abstract: Sodium ion batteries (SIBs) are possible low-cost alternative to the current lithium ion batteries and hold great perspectives for large-scale renewable energy storage. However, the unavailability of appropriate anode material hinders the practical application of… read more here.
Keywords: sodium ion; ion batteries; na0 5bi0; 5bi0 5tio3 ... See more keywords
The effect of doping on oxygen conductivity performance of Na0.5Bi0.5TiO3 compounds
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DOI: 10.1007/s10854-019-01110-9
Abstract: The three different doped (Na, K and Mg) Na0.5Bi0.5TiO3 compounds were prepared. The grain conductivity of the doped Na0.5Bi0.5TiO3 compounds shows: Na-doping > K-doping > Mg-doping. Using the dielectric relaxation spectroscopy, the relaxation parameters can be obtained: ENa = 0.61 eV, EK = 0.64 eV… read more here.
Keywords: oxygen; doped na0; 5tio3 compound; na0 5bi0 ... See more keywords
Intermediate-temperature conductivity of Al3+-doped Na0.5Bi0.49TiO3−δ lead-free oxide-ion-conductor solid electrolytes
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DOI: 10.1007/s10854-019-02054-w
Abstract: In this work, to increase the intermediate-temperature oxide-ion conductivity of Na0.5Bi0.49TiO3−δ lead-free oxide-ion-conductor solid electrolytes, Al3+ with smaller ion radius is introduced to replace Ti4+ at the B site. The experimental results show that Al3+… read more here.
Keywords: oxide ion; conductivity; ion; na0 5bi0 ... See more keywords
High energy storage density and efficiency with excellent temperature and frequency stabilities under low operating field achieved in Ag0.91Sm0.03NbO3-modified Na0.5Bi0.5TiO3-BaTiO3 ceramics
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DOI: 10.1007/s10854-020-04249-y
Abstract: Ag0.91Sm0.03NbO3-modified Na0.5Bi0.5TiO3–BaTiO3 ceramics (0.94−x)Na0.5Bi0.5TiO3–0.06BaTiO3–x(Ag0.91Sm0.03)NbO3 (x = 0, 0.03, 0.06, and 0.09) were prepared by solid-state reaction method. The structural, dielectric, and energy storage properties of the ceramics were systematically studied. Our results indicate that all ceramics exhibit… read more here.
Keywords: ag0 91sm0; temperature; energy; energy storage ... See more keywords
Achieved ultrahigh energy storage properties and outstanding charge–discharge performances in (Na0.5Bi0.5)0.7Sr0.3TiO3-based ceramics by introducing a linear additive
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DOI: 10.1016/j.cej.2019.123729
Abstract: Abstract The development of new environment-friendly dielectric ceramic materials with excellent energy storage properties has become more urgent and important due to the environmental hazards and resource shortage. In this work, the improved energy storage… read more here.
Keywords: energy; energy storage; na0 5bi0; storage properties ... See more keywords
The microstructure, ferroelectric and dielectric behaviors of Na0.5Bi0.5(Ti,Fe)O3 thin films synthesized by chemical solution deposition: Effect of precursor solution concentration
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DOI: 10.1016/j.ceramint.2016.10.173
Abstract: Abstract Fe-doped Na0.5Bi0.5TiO3 (NBTFe) thin films were prepared directly on indium tin oxide/glass substrates using a chemical solution deposition method combined with sequential layer annealing. The X-ray diffraction, scanning electron microscopy and insulating/ferroelectric/dielectric measurements were… read more here.
Keywords: thin films; nbtfe thin; solution deposition; solution ... See more keywords
Synthesis of Na0.5Bi0.5TiO3 whiskers and their nanoscale piezoelectricity
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DOI: 10.1016/j.ceramint.2017.05.321
Abstract: Abstract The perovskite structured lead-free system Na0.5Bi0.5TiO3 (NBT) whiskers were synthesized from whiskers of layered tunnel structured Na2Ti6O13 (NT), using a topochemical route. Both NT and NBT whiskers show high aspect ratios with an average… read more here.
Keywords: 5tio3 whiskers; synthesis na0; nbt whiskers; na0 5bi0 ... See more keywords
Dielectric stability in the relaxor: Na0.5Bi0.5TiO3-Ba0.8Ca0.2TiO3-Bi(Mg0.5Ti0.5)O3- NaNbO3 ceramic system
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DOI: 10.1016/j.ceramint.2018.01.191
Abstract: Abstract Ceramics with temperature-stable dielectric characteristics have been developed in the system: 0.6[0.85Na 0.5 Bi 0.5 TiO 3 -(0.15-x)Ba 0.8 Ca 0.2 TiO 3 -xBi(Mg 0.5 Ti 0.5 )O 3 ]−0.4NaNbO 3 , x ≤… read more here.
Keywords: system; temperature; stability relaxor; na0 5bi0 ... See more keywords
Dielectric and optical properties of Ni doped Na0.5Bi0.5TiO3
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DOI: 10.1016/j.ceramint.2018.05.158
Abstract: Abstract Polycrystalline Ni doped Na.5Bi0.5TiO3 samples (Na0.5Bi0.5)Ti1-xNixO3, (x = 0.5, 0.10, 0.15) have been prepared by solid state reaction. The appearance of the additional peak in X-ray diffraction pattern indicates the ordering of Ti4+ and Ni2+ ions.… read more here.
Keywords: dielectric optical; optical properties; properties doped; doped na0 ... See more keywords
Effect of donor W and acceptor Ni codoping at Ti site on the structure and electrical properties of Na0.5Bi0.5TiO3 thin film
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DOI: 10.1016/j.ceramint.2018.05.165
Abstract: Abstract Pure Na0.5Bi0.5TiO3 (NBT), donor W6+ doped NBT (NBTW), acceptor Ni2+ doped NBT (NBTNi), as well as donor W6+ and acceptor Ni2+ codoped NBT (NBTWNi) polycrystalline films are fabricated on indium tin oxide (ITO)/glass substrates… read more here.
Keywords: donor; effect; na0 5bi0; film ... See more keywords
Enhanced energy-storage performance and temperature-stable dielectric properties of (1-x)[(Na0.5Bi0.5)0.95Ba0.05]0.98La0.02TiO3-xK0.5Na0.5NbO3 lead-free ceramics
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DOI: 10.1016/j.ceramint.2019.07.019
Abstract: Abstract Polycrystalline (1-x)[(Na0.5Bi0.5)0.95Ba0.05]0.98La0.02TiO3-xK0.5Na0.5NbO3 systems were prepared using the solid-state reaction technique. Modification of (Na0.5Bi0.5)0.95Ba0.05]0.98La0.02TiO3 ceramic with a proper amount of K0.5Na0.5NbO3 can effectively improve the temperature-stable of dielectric properties. A variation in dielectric constant is… read more here.
Keywords: 5bi0 95ba0; na0 5bi0; temperature; 98la0 02tio3 ... See more keywords