OXYGEN-ION CONDUCTIVITY OF PLANTIUM-IMPREGNATED STABILIZED ZIRCONIA IN BULK AND MICROPOROUS MATERIALS

Authors
ZIEHFREUND A SIMON U MAIER WF
Citation
A. Ziehfreund et al., OXYGEN-ION CONDUCTIVITY OF PLANTIUM-IMPREGNATED STABILIZED ZIRCONIA IN BULK AND MICROPOROUS MATERIALS, Advanced materials, 8(5), 1996, pp. 424
Citations number
16
Categorie Soggetti
Material Science
Journal title
Advanced materials → ACNP
ISSN journal
09359648
Volume
8
Issue
5
Year of publication
1996
Database
ISI
SICI code
0935-9648(1996)8:5<424:OCOPSZ>2.0.ZU;2-W
Abstract
The effect of platinum impregnation on the ionic conductivity of yttri a stabilized zirconia (YSZ) has been determined using complex impedanc e measurements in the frequency range 10(1)-10(7) Hz. Ionic conductivi ties and the corresponding activation enthalpies are reported for the temperature range 200-600 degrees C. Platinum agglomerated at the grai n boundaries of polycrystalline samples reduces ion transport across t he intergranular zone. The evaporation Impregnated Stabilized Zirconia in Bulk and recondensation of YSZ and the addition of Pt results in p orous materials and Microporous Materials with improved oxygen ion con ductivity.