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Russian Journal of Applied Chemistry

, Volume 88, Issue 5, pp 751–757 | Cite as

New solid electrolytes HfO2–SC2O3–Y2O3

  • A. V. Kuz’min
  • A. N. Meshcherskikh
  • V. P. Gorelov
  • S. V. Plaksin
Inorganic Synthesis and Industrial Inorganic Chemistry

Abstract

Phase composition, thermal expansion, and electrical conductivity were studied for three-component solid solutions of the system HfO2–Sc2O3–Y2O3, containing 7–10 mol % Sc2O3 and 1–4 mol % Y2O3, which corresponds to the maximum-conductivity region. The electrical conductivity was measured in two ways: by the four-probe mode in the dc mode and by impedance spectroscopy. A solid electrolyte of composition HfO2 + 8 mol % Sc2O3 + 2 mol % Y2O3 was obtained, close in conductivity to the solid electrolyte composed of ZrO2 + 8 mol % Y2O3.

Keywords

Solid Electrolyte Scandium Yttrium Oxide Expansion Curve Polyvinyl Butyral 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • A. V. Kuz’min
    • 1
    • 2
  • A. N. Meshcherskikh
    • 1
  • V. P. Gorelov
    • 1
  • S. V. Plaksin
    • 1
  1. 1.Institute of High-Temperature Electrochemistry, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  2. 2.Institute of Materials Science and MetallurgyUral Federal UniversityYekaterinburgRussia

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