Joint Impedance Spectroscopy and Fractography Data Analysis of Ceria Doped Scandia Stabilized Zirconia Solid Electrolyte modified by powder types and sintering temperature-Reference-Cited by-同舟云学术

Joint Impedance Spectroscopy and Fractography Data Analysis of Ceria Doped Scandia Stabilized Zirconia Solid Electrolyte modified by powder types and sintering temperature

Published:2018 Issue:1 Volume:6 Page:128-141
ISSN:2312-3222
Container-title:French-Ukrainian Journal of Chemistry
language:
Short-container-title:Fr. Ukr. J. Chem.

Author:

Brodnikovska Iryna¹,Brychevskyi Mykola¹,Brodnikovskyi Yehor¹,Brodnikovskyi Dmytro¹,Vasylyev Oleksandr¹,Smirnova Alevtina²

Affiliation:

1. Frantsevych Institute for Problems of Material Science

2. South Dakota School of Mines and Technology

Abstract

Parameters of the non-Debye relaxation in the 10Sc1CeSZ solid electrolyte made of various types of ZrO2 powder stabilized with 10-mol.% Sc2O3 and 1-mol.% CeO2 were studied. The influence of powder properties and their sintering temperatures on the impedance spectra is analyzed. In regard to electrical response, the polycrystalline ceramic electrolytes may be considered as a single-phase or a two-phase material consisting of a grain bulk and a boundary. In many cases, the boundary resistance is independent practically on dopants and their distribution across the powders and sintering temperatures. The powder compositions suitable for an electrolyte and electrodes are specified.

Publisher

Taras Shevchenko National University of Kyiv

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