Stabilized zirconia solid electrolyte and process for preparation thereof
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United States of America Patent
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Jul 14, 1992
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N/A
app pub date -
Aug 24, 1990
filing date -
Aug 25, 1989
priority date (Note) -
Expired
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Abstract
The mechanical strength of stabilized zirconia is improved without lowering the ion conductivity by providing a solid electrolyte comprising stabilized zirconia and a metal oxide dispersed within grains or grain boundaries of stabilized zirconia, the metal oxide having an average submicron particle size and stabilized zirconia having an average particle size larger than 1 micron, typically larger than 10 .mu.m or even 100 .mu.m.
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