Journal Article10.1111/J.1151-2916.1978.TB09292.X
Resistivity‐Microstructure Relations in Lithia‐Stabilized Polycrystalline β”‐Alumina
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TL;DR: In this paper, the authors measured the sodium ion resistivity of polycrystalline β-alumina as a function of temperature for fine-grained and coarsegrained specimens with a chemical composition of 8.80 Na20-0.75 Li2O-90.45 A12O3 (wt%).
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Abstract: The sodium ion resistivity of lithia-stabilized polycrystalline β”-alumina was measured as a function of temperature for fine-grained and coarse-grained specimens with a chemical composition of 8.80 Na20-0.75 Li2O-90.45 A12O3 (wt%). A model is presented which explains the dependence of sodium ion resistivity on grain size. Using the model the activation energy was determined for the transport of sodium ions across a grain boundary in this form of sodium β”-alumina.
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Progress in the Development of Sodium‐Ion Solid Electrolytes
Jung-Joon Kim,Kyungho Yoon,In-Chul Park,Kisuk Kang +3 more
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TL;DR: In this paper, a general background on the recent development of ceramic and glass-ceramic sodium-ion-conducting electrolytes is provided with regard to oxide-, sulfide-, and hydride-based electrolytes.
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References
An Analysis of the Impedance of Polycrystalline Beta‐Alumina
R. W. Powers,S. P. Mitoff +1 more
TL;DR: In this paper, a procedure is described for distinguishing in the measured electrical properties of polycrystalline β-alumina, the separate contributions of the grain boundaries and of the crystal, i.e., the grain interiors.
87
An analysis of the impedance of polycrystalline beta‐alumina
R. W. Powers,S. P. Mitoff +1 more
TL;DR: In this article, a vereinfachten Modells gelingt fur polykristallines β-Al2O3 die Unterscheidung von Beitragen der Korngrenzen und des Kristalls, d. h. des Korninneren zu den gemessenen elektrischen Eigenschaften.
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